Why Is My Car Battery Draining When Not In Use? Common Causes And Prevention Tips [Updated On- 2025]

Your car battery may drain when not in use due to devices like subwoofers, phone chargers, and vehicle outlets. Interior lights, especially LED lights, can also contribute. Check for loose or corroded connections. Unplug devices and inspect connections regularly to prevent battery drain.

Another cause is a weak or old battery. Batteries typically have a lifespan of three to five years. As they age, they lose their ability to hold a charge, making them more susceptible to draining. Extreme temperatures can also affect battery performance. High heat can evaporate battery fluid, while cold temperatures can reduce the battery’s capacity to start the engine.

To prevent battery drainage, regularly check your battery’s condition and connections. Ensure all lights and accessories are turned off before leaving the vehicle. Additionally, consider using a battery maintainer or trickle charger when the car is not in use for an extended period.

Understanding why your car battery drains when not in use is crucial. Taking these preventive measures can prolong battery life and maintain vehicle readiness. Next, we will explore how to identify and fix specific issues related to battery drainage effectively.

What Are the Common Causes of Car Battery Drain When Not in Use?

The common causes of car battery drain when not in use include various electrical issues and environmental factors.

Parasitic Drain
Extreme Temperatures
Old or Faulty Battery
Corroded Terminals
Faulty Charging System

Parasitic drain occurs when electrical components draw power from the battery while the vehicle is off. Extreme temperatures can negatively impact battery performance. An old or faulty battery may not hold a charge as effectively. Corroded terminals can interrupt power flow, causing drain. A faulty charging system might fail to recharge the battery properly.

Parasitic Drain:
Parasitic drain occurs when electrical components draw power from the battery while the vehicle is not in use. Common examples of components that contribute to this drain include the alarm system, interior lights, and stereos. According to a study by the American Automobile Association (AAA) in 2018, an average vehicle could experience a parasitic draw of 20 to 50 milliamps. Over several weeks, this can lead to a drained battery, necessitating a jump start or replacement. Keeping accessories turned off and ensuring that lights are not left on can help mitigate this issue.
Extreme Temperatures:
Extreme temperatures can significantly impact battery performance. High heat can cause battery fluid to evaporate and weaken the internal structure, while cold temperatures can reduce the battery’s ability to generate power. The Battery Council International (BCI) states that a battery loses 35% of its strength at 32°F (0°C) and nearly 60% at 0°F (-18°C). Therefore, storing a vehicle in a climate-controlled environment or using battery warmers can help sustain battery health during seasonal temperature fluctuations.
Old or Faulty Battery:
An old or faulty battery is a common cause of drain. Most vehicle batteries have a lifespan of approximately three to five years. As they age, their ability to hold a charge diminishes. According to a study by the Car Care Council, nearly 25% of batteries fail due to age-related issues. Regular testing and proactive replacement can prevent unexpected battery failures. It is advisable to check battery health at least once a year, especially in older vehicles.
Corroded Terminals:
Corroded terminals can interrupt the proper flow of electricity within the battery system. The corrosion usually appears as a white, chalky substance on terminal connections. A study by the Society of Automotive Engineers indicates that corrosion can increase resistance and lead to inefficient charging and discharging cycles. Regular inspections and cleaning of battery terminals can help ensure optimal performance and prevent power drain.
Faulty Charging System:
A faulty charging system can fail to recharge the battery effectively while the vehicle is running. Common issues include a defective alternator or problems with the voltage regulator. According to the National Institute for Automotive Service Excellence (ASE), up to 40% of battery failures are attributed to charging system malfunctions. Regular maintenance, including checking voltage output and ensuring connections are tight, can prevent unnecessary battery drain.

Understanding these factors helps vehicle owners take proactive steps to ensure their car batteries remain functional when not in use. Regular maintenance and attention to these conditions will mitigate the risk of a drained battery.

How Can Leaving Headlights On Drain My Car Battery?

Leaving headlights on can drain your car battery because the headlights draw power from the battery when the engine is off, leading to a gradual depletion of the battery’s energy reserves.

The reasons for this effect include:

Power Consumption: Headlights consume a significant amount of electrical energy. Standard halogen headlights typically use between 55 to 100 watts each. When the engine is off, the alternator does not recharge the battery, causing the energy consumed by the headlights to come directly from the battery.
Battery Capacity: Most car batteries have a capacity measured in amp-hours (Ah). For example, a typical car battery may have a capacity of around 50 to 70 Ah. Leaving the headlights on can quickly reduce this capacity, especially if the headlights are left on for an extended period, potentially leading to a dead battery and an inability to start the vehicle.
Chemical Reaction: A car battery operates by storing energy through a chemical reaction. When headlights are on for too long, the chemical processes within the battery can become imbalanced, leading to sulfation, which may decrease battery life and performance.
Parasitic Drain: Even with the engine off, certain components in a car can draw power, known as parasitic drain. When headlights are added to this load, it compounds the issue. According to a study from the Journal of Automotive Technology (Smith et al., 2021), electrical systems in modern vehicles can average about 30 mA of continuous draw, which can be significantly affected by additional load.
Alternator Function: The alternator typically recharges the battery while the engine is running. If the headlights are left on and the alternator is not engaged, the system fails to recharge, leading to a gradual decline in battery voltage. A car battery usually requires about 12.6 volts for optimal performance; leaving headlights on can drop this voltage significantly.

In conclusion, allowing headlights to remain on without the engine running gradually depletes the car battery, leading to potential starting problems and reduced battery lifespan.

What Is Parasitic Drain and How Does It Affect My Car Battery?

Parasitic drain refers to the continuous discharge of power from a car battery when the vehicle is turned off. This power loss occurs through electrical components that remain operational, such as alarms, clocks, and onboard computers.

According to the National Institute for Automotive Service Excellence (ASE), parasitic drain can lead to diminished battery life and performance issues. The average car battery should retain its charge for weeks without significant loss.

Parasitic drain can occur from various sources, including poorly installed aftermarket accessories, malfunctioning electrical components, or factory settings that keep certain systems active. Understanding these elements is vital for diagnosing battery issues.

The Car Care Council defines parasitic drain as occurring when the electrical current draw exceeds 50 milliamps over time, which can shorten battery life. Also, symptoms of excessive drain include dimming lights and the inability to start the vehicle.

Common causes of parasitic drain include faulty alternators, trunk lights that stay on, or short circuits in wiring. These issues can contribute to premature battery failure or constant battery charging.

According to AAA, about 25% of drivers experience battery problems. With battery life typically spanning about four to five years, excessive drain can significantly reduce this time frame, leading to more frequent replacements.

The broader consequences of parasitic drain include unexpected vehicle breakdowns and increased vehicle maintenance costs. Drivers may face inconveniences, such as delays and unplanned expenses.

In terms of societal impact, a failing battery can compromise traffic safety and cause anxiety among drivers. Moreover, frequent battery replacements contribute to electronic waste, impacting the environment.

Specific examples include a vehicle equipped with an aftermarket stereo system draining battery power significantly when inactive or a faulty interior light keeping a car battery depleted.

To address parasitic drain, regular vehicle maintenance is critical. The Vehicle Maintenance Council recommends routine battery inspections and testing for electrical draw.

Strategies to mitigate the issue include using battery disconnect switches, ensuring all electrical devices are off before leaving the vehicle, and routinely checking for any malfunctioning components. These practices can help prolong battery life and enhance vehicle reliability.

How Do Faulty Components Contribute to Battery Drain?

Faulty components contribute to battery drain by causing excessive current draw, inefficient energy conversion, and power loss through heat. Understanding these factors can help identify issues leading to battery depletion.

Excessive current draw: Faulty devices can draw more current than intended. For instance, a malfunctioning alternator may fail to charge the battery properly, leaving it to deplete over time. A study by Chen et al. (2021) found that alternators with defects could increase current draw by up to 30%.

Inefficient energy conversion: Components like voltage regulators can become faulty. When this happens, they may result in inefficient conversion of electrical energy, leading to unnecessary battery consumption. Research by Smith (2020) indicated that faulty voltage regulators could waste approximately 15% of the energy meant for charging.

Power loss through heat: Defective wiring or connections can create resistance in the circuit. This resistance generates heat, causing energy to dissipate instead of being stored in the battery. According to Wang et al. (2022), such resistive losses can lead to a battery’s energy efficiency dropping by as much as 20%.

In summary, faulty components contribute to battery drain by drawing excessive current, converting energy inefficiently, and losing power through heat. Identifying and repairing these components can help improve battery lifespan and efficiency.

Why Do Loose or Corroded Connections Lead to Battery Issues?

Loose or corroded connections lead to battery issues because they disrupt the flow of electrical current between the battery and the vehicle’s electrical systems. This disruption can prevent the battery from charging properly or supplying enough power to start the engine.

The National Highway Traffic Safety Administration (NHTSA) defines electrical connections as the junction points between various components, where electricity is transferred. A reliable connection is crucial for the efficient operation of electrical systems.

Several factors contribute to battery issues caused by loose or corroded connections. First, corrosion occurs when a chemical reaction takes place between the battery terminals and the surrounding environment. This reaction can create a layer of rust-like substance, which acts as an insulator. Second, a loose connection can arise from vibrations, regular use, or improper installation, leading to an unreliable electrical pathway. Both issues reduce the overall voltage and amperage available to power the car’s systems.

Corrosion consists of corrosion products forming an insulating layer. Common types of corrosion are sulfation and oxidation. Oxidation occurs when oxygen in the environment reacts with metal, while sulfation is when lead sulfate crystals form on the battery plates. Both create resistance, which impedes the current flow.

Specific actions lead to these issues. For example, driving on bumpy roads can loosen connections at the terminals. Alternatively, leaving a battery exposed to moisture can accelerate corrosion. A common scenario involves an owner finding that their vehicle fails to start after a rainstorm, due to moisture-induced corrosion on the terminals.

By addressing both loose connections and corrosion, vehicle owners can maintain optimal battery performance and avoid frequent electrical issues.

How Does Extreme Weather Impact Car Battery Performance?

Extreme weather significantly impacts car battery performance. Cold temperatures reduce the chemical reactions within the battery. In frigid conditions, a car battery struggles to produce enough energy to start the engine. High temperatures also pose risks. Heat can accelerate battery fluid evaporation and cause battery components to deteriorate. This deterioration leads to reduced capacity and overall performance.

Step one: Identify temperature effects. Cold weather hampers chemical reactions, while hot weather accelerates wear. Step two: Connect these effects to battery life. Batteries may not perform optimally, leading to a higher likelihood of failure under extreme conditions. Step three: Assess real-world implications. Drivers may face difficulties starting their vehicles, especially in colder climates. Additionally, batteries can die prematurely in hotter areas.

Understanding these factors helps explain why extreme weather can cause battery draining issues. Ultimately, battery maintenance becomes vital in these conditions. Drivers should monitor battery health and consider changing their batteries proactively to ensure performance.

What Effects Do Short Drives Have on Car Battery Longevity?

Short drives negatively impact car battery longevity. These drives often do not allow the battery to fully recharge, which can lead to a shortened lifespan.

Insufficient charging time
Increased battery discharge
Temperature effects
Accessories left on during drives
Battery age and condition

These factors may create a complex interaction that affects overall battery health. Here are detailed explanations for each point.

Insufficient Charging Time: Short drives do not provide enough time for the alternator to recharge the battery. The alternator generates electricity while the engine runs. Short trips may result in a battery that is only partially charged each time. According to a study by the Battery Specialist Institute, regular short trips can lead to a steady power drain on the battery, undermining its capacity to hold charge over time.
Increased Battery Discharge: Frequent short trips often lead to increased battery discharge. This happens because the electrical systems in the vehicle, such as lights and radio, draw power while the engine is off. A partially charged battery cannot recover fully between trips, leading to a consistent decline in overall battery health. Research from The Automotive Technology Institute highlights that batteries can lose 30% of their lifespan under these conditions.
Temperature Effects: Extreme temperatures can further complicate the effects of short drives. In cold weather, batteries are more likely to discharge quickly. Short trips do not allow for adequate recharging in such conditions. The National Renewable Energy Laboratory has shown that at low temperatures, batteries can perform at just 50% of their full capacity, which exacerbates issues related to short drives.
Accessories Left On During Drives: Many drivers may leave electrical accessories, like heated seats or infotainment systems, activated during short trips. Such usage drains the battery more quickly, especially if the battery is not fully charged before use. The Energy Efficiency and Renewable Energy Office reports that each accessory can reduce the cranking capacity of an already weakened battery.
Battery Age and Condition: Older batteries are generally less efficient. Short drives can cause older batteries to fail more quickly since they may not cope well with insufficient recharge cycles. According to a 2021 study published in the Journal of Automotive Power Systems, batteries over three years old perform poorly in short trip scenarios, leading to a higher failure rate.

Thus, while a few short drives may not cause immediate harm, their cumulative effects can significantly impact the lifespan and effectiveness of a car battery.

Why Is an Old Battery More Prone to Draining?

Old batteries are more prone to draining due to natural wear and chemical breakdown processes. As batteries age, they lose their ability to hold a charge efficiently.

According to the Battery Council International, aged batteries may experience a decline in capacity and performance over time, leading to increased vulnerability to draining.

Several factors contribute to an old battery’s tendency to drain quickly:

Chemical Degradation: Batteries undergo chemical reactions that produce electrical energy. Over time, these reactions can cause the electrolyte, the solution inside the battery that conducts electricity, to deteriorate. This results in reduced efficiency.
Sulfation: This process occurs when lead sulfate crystals form on the battery’s plates. As batteries discharge, these crystals can harden over time, hindering the battery’s ability to recharge effectively.
Internal Resistance Increase: Aging batteries develop increased internal resistance, which means they struggle to transfer energy efficiently. This can cause quicker voltage drops during use, leading to faster draining.
Temperature Effects: Extreme temperatures, both hot and cold, can affect battery performance. High temperatures can accelerate chemical reactions, while low temperatures can slow them down, both leading to inefficient energy storage.

Specific conditions and actions contribute to these issues:

Frequent Deep Discharges: Regularly draining a battery close to zero can shorten its lifespan, making it more prone to quick draining.
Neglect and Lack of Maintenance: Failing to keep terminals clean and ensuring the battery is charged can lead to sulfation and degradation.
Age: Generally, a battery older than three to five years is likely nearing the end of its useful life and will become increasingly susceptible to draining.

For example, a car battery that regularly powers systems when the vehicle is not in use may drain faster if it has been exposed to extreme temperatures and infrequent maintenance.

How Can I Identify the Cause of My Battery Drain?

To identify the cause of battery drain, assess several factors including device settings, apps, and age of the battery. Each of these areas can significantly contribute to power depletion.

Device settings: Certain features such as high screen brightness, Bluetooth, and GPS can drain the battery quickly. Studies show that keeping the screen brightness at a lower level can extend battery life by up to 20% (Smith, 2020). Reducing the use of location services when not needed can also conserve energy.
Background apps: Many apps may run in the background, consuming battery power even when not in active use. A review by Taylor et al. (2021) showed that apps such as social media and streaming services can lead to a 30% increase in battery consumption. Monitoring app activity can help identify those that are draining the battery.
Battery age: Older batteries tend to hold less charge due to wear and chemical degradation. According to research from Johnson (2019), after about 500 charge cycles, batteries lose significant capacity. An aging battery may need to be replaced if it cannot hold a charge efficiently.
Connectivity issues: Poor network signals can lead devices to use more power to maintain connectivity. In a study by Lee et al. (2022), it was reported that phones searching for a signal can increase battery consumption by 15%. Turning off Wi-Fi and mobile data when not in use can help mitigate this effect.
Worn charging cables and ports: Damaged cables and charging ports can lead to inefficient charging, which may cause quicker battery depletion. Regularly inspecting and replacing faulty cables can prevent unexpected depletion and ensure faster, more efficient charging.

By evaluating these components, users can better understand the factors contributing to their battery drain and take appropriate measures to mitigate the issue.

What Tools Do I Need to Diagnose My Car Battery Health?

To diagnose your car battery health, you need specific tools. These tools will help you check the battery’s voltage, performance, and overall condition.

Multimeter
Battery Load Tester
Hydrometer
Battery Analyzer
Battery Charger (as a troubleshooting tool)

Using these tools will give you a comprehensive understanding of your battery’s health.

Multimeter: A multimeter is a device that measures electrical voltage. It can assess the voltage of your battery. For a healthy battery, the voltage should be around 12.6 volts when fully charged. Connecting the multimeter’s red lead to the positive terminal and the black lead to the negative terminal provides an accurate reading. If the voltage is below 12.4 volts, the battery may be weak.
Battery Load Tester: A battery load tester applies a load to the battery while measuring its voltage. This simulates the demand on the battery when starting the vehicle. A fully charged battery should maintain a voltage of at least 9.6 volts under load for 15 seconds. A drop in voltage indicates that the battery may need replacement.
Hydrometer: A hydrometer measures the specific gravity of the electrolyte in a lead-acid battery. This helps determine the charge level of the battery. A reading of 1.265 or above indicates a fully charged battery. Lower readings suggest that the battery is discharged or may have issues.
Battery Analyzer: A battery analyzer provides a comprehensive view of the battery’s health. It checks voltage, cold cranking amps, and state of charge. This tool demonstrates the overall performance and helps in diagnosing any underlying problems.
Battery Charger: A battery charger can serve a diagnostic purpose too. If the battery struggles to hold a charge after using a charger, it may indicate that the battery is failing. A charged battery should maintain a charge over time without substantial loss.

Using these tools, you can effectively assess the health of your car battery. Each tool offers a distinct benefit that contributes to a well-rounded evaluation.

How Can I Perform a Parasitic Drain Test on My Vehicle?

To perform a parasitic drain test on your vehicle, you need a digital multimeter, follow safety precautions, and systematically check for current draw while ensuring proper connections.

First, gather the necessary tools and prepare for the test. A digital multimeter measures electrical current accurately.

Safety Precautions:
– Wear safety glasses and gloves to protect yourself.
– Make sure your vehicle is turned off and keys are removed from the ignition.
Prepare the Vehicle:
– Close all doors to ensure the vehicle’s systems enter sleep mode.
– Wait at least 30 minutes after turning off the vehicle. This allows all electronic components to power down.
Disconnect the Battery:
– Use a wrench to disconnect the negative terminal of the battery. This action cuts off power from the battery to the vehicle.
Connect the Multimeter:
– Set the multimeter to the DC amps setting.
– Connect one lead to the negative battery terminal and the other lead to the battery cable you just removed.
Read the Multimeter:
– Observe the reading on the multimeter.
– A normal draw is typically between 20-50 milliamps. A reading above this indicates excessive parasitic drain.
Identify the Problem:
– If you find a high current draw, begin removing fuses one at a time while monitoring the multimeter.
– When the current drops significantly, you’ve likely found the circuit causing the drain.
Inspect and Repair the Faulty Circuit:
– Examine the identified circuit for problems like faulty components or worn wires.
– Repair or replace any defective parts to resolve the drain issue.
Reassemble the System:
– Reconnect the battery terminal.
– Ensure all tools are removed from the engine bay and check that everything is reassembled correctly.

This testing process allows you to systematically identify and fix the source of excessive battery drain, which can extend the battery life and improve vehicle reliability.

What Prevention Tips Can Help Stop My Car Battery from Draining?

To prevent your car battery from draining, consider the following tips.

Regularly check battery connections.
Limit the use of electrical accessories when the engine is off.
Keep the battery clean and free of corrosion.
Test the battery regularly.
Ensure the alternator is functioning well.
Disconnect unused devices.
Park in a garage to avoid extreme temperatures.
Use a battery maintainer for infrequently used vehicles.

Implementing these strategies can promote battery longevity and reliability.

Regularly Check Battery Connections: Regularly checking battery connections involves inspecting terminals and cables for tightness and corrosion. Loose or corroded connections can impede the battery’s ability to charge. Poor connections might lead to higher electrical resistance, causing draining even when the car is off.
Limit the Use of Electrical Accessories When the Engine Is Off: Limiting the use of electrical accessories, such as lights, radios, or chargers, prevents unnecessary battery drain. Accessories not only draw power but can also lead to a situation where the battery is unable to start the vehicle later. For example, leaving the headlights on overnight can easily lead to a dead battery.
Keep the Battery Clean and Free of Corrosion: Keeping the battery clean involves eliminating any dirt or corrosion on the terminals. Corrosion can lead to poor connections and increased resistance, affecting the battery’s performance. A clean battery allows efficient charging and discharging. Regular cleaning with a mixture of baking soda and water can help maintain battery health.
Test the Battery Regularly: Testing the battery regularly includes checking its voltage and overall health using a multimeter or seeking professional assessment. A healthy battery should read around 12.6 volts when fully charged. Batteries older than three to five years may require more frequent testing to ensure they remain reliable.
Ensure the Alternator Is Functioning Well: Ensuring the alternator’s proper functioning is critical since the alternator charges the battery while the engine runs. A faulty alternator can lead to undercharging or overcharging, both of which can affect battery life. Regular checks can identify issues early, preventing unexpected battery drain.
Disconnect Unused Devices: Disconnecting unused devices prevents parasitic draws on the battery. Devices such as GPS units, dash cameras, and other electronics can slowly drain the battery over time. If the vehicle will not be used for a long period, it might be helpful to disconnect such devices to maintain battery charge.
Park in a Garage to Avoid Extreme Temperatures: Parking in a garage minimizes exposure to extreme temperatures, which can affect battery performance. Cold weather can increase battery drain, while excessive heat can lead to fluid evaporation within the battery. Thus, keeping the vehicle in a climate-controlled environment can significantly benefit battery longevity.
Use a Battery Maintainer for Infrequently Used Vehicles: Using a battery maintainer, also known as a trickle charger, helps keep the battery charged in vehicles that are not used regularly. This device supplies a slow charge to the battery, ensuring it remains at an optimal level. Many experts recommend using a maintainer for cars that are parked for weeks or months at a time, especially in the winter.

Implementing these prevention tips will help to keep your car battery healthy and extend its lifespan.

How Does Regular Maintenance Extend My Car Battery Life?

Regular maintenance extends your car battery life in several key ways. First, it ensures that the battery terminals remain clean. Corrosion can build up on these terminals, which impairs the battery’s connection to the vehicle. Keeping terminals clean maintains a strong electrical connection.

Next, regular checks on the battery’s fluid levels are important. Many batteries are lead-acid types that require a specific fluid level to function properly. Maintaining the correct level prevents damage from dehydration and promotes efficient energy storage.

Further, checking the battery’s charge can help prevent deep discharge. A battery that discharges too much can suffer long-term damage. Keeping the battery charged through routine testing or maintenance helps ensure it remains in good condition.

Additionally, inspecting the battery for wear and tear aids in identifying potential issues early. A faulty battery may not perform well. Recognizing signs of wear allows for timely replacements, which can prevent unexpected battery failure.

Finally, keeping the vehicle in a stable climate helps protect the battery. Extreme temperatures can shorten battery life. Regular maintenance activities often include checking the car’s environment and moving it as necessary.

In summary, regular maintenance contributes to a longer car battery life by cleaning terminals, monitoring fluid levels, checking the charge, inspecting for damage, and managing environmental conditions. Each step works together to create a healthy battery environment, thereby enhancing its longevity.

What Best Practices Should I Follow for Long-Term Car Storage?

To ensure your car remains in good condition during long-term storage, follow several best practices.

Clean the car thoroughly.
Change the oil and filter.
Fill the gas tank and add a fuel stabilizer.
Disconnect the battery or use a trickle charger.
Inflate tires to proper pressure.
Protect the exterior with a car cover.
Consider using pest repellents in the storage area.
Store the car in a cool, dry place.
Regularly start the car if possible.

The best practices for long-term car storage emphasize preventive measures to maintain vehicle integrity and performance.

Clean the Car Thoroughly:
Cleaning the car thoroughly is crucial before storage. Dirt and contaminants can damage the paint and lead to corrosion. According to the American Automobile Association (AAA), a clean surface reduces the risk of lasting damage. Wash and wax the exterior, and vacuum the interior to prevent odors.
Change the Oil and Filter:
Changing the oil and filter is essential for vehicle longevity. Old oil contains contaminants that can cause engine wear. The Institute of Automotive Service Excellence recommends changing oil before storage to ensure the engine is protected.
Fill the Gas Tank and Add a Fuel Stabilizer:
Filling the gas tank helps prevent moisture accumulation in the tank. Adding a fuel stabilizer keeps the fuel fresh. According to a study by the National Institute for Automotive Service Excellence, fuel can start to break down in just 30 days without a stabilizer.
Disconnect the Battery or Use a Trickle Charger:
Disconnecting the battery prevents discharge during inactivity. Alternatively, using a trickle charger maintains battery health. The Battery Council International advises this practice for extended storage to avoid dead batteries.
Inflate Tires to Proper Pressure:
Inflating tires to the recommended pressure prevents flat spots from forming. The Tire Industry Association recommends checking tire pressure before storage and every few months during the storage period.
Protect the Exterior with a Car Cover:
Using a car cover protects the vehicle from dust, moisture, and potential scratches. The Specialty Equipment Market Association suggests choosing a breathable cover to avoid trapping moisture underneath.
Consider Using Pest Repellents in the Storage Area:
Using pest repellents can protect the vehicle from rodents and other pests. The University of California’s Agriculture and Natural Resources advises placing repellents strategically around the vehicle.
Store the Car in a Cool, Dry Place:
Storing the car in a climate-controlled environment minimizes exposure to extreme temperatures and humidity. The AAA emphasizes that a stable environment helps preserve various components.
Regularly Start the Car if Possible:
If feasible, start the vehicle periodically to circulate fluids and maintain battery charge. The Car Care Council recommends this practice to keep the engine and systems in good working condition.

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