The 2018 Malibu LT uses a CR2032 lithium coin battery for its key fob. This battery measures 20mm in diameter and 3.2mm in thickness. It ensures reliable power for remote locking and unlocking, keeping your vehicle’s key fob fully functional.
To replace the battery, start by locating the seam on the key fob. Carefully use a small flat-head screwdriver or a similar tool to pry apart the two halves. Once opened, remove the old battery, noting its orientation. Insert the new CR2032 battery in the same position, ensuring the positive side is facing up. Finally, snap the fob back together securely.
Regular key fob battery replacement is essential for maintaining functionality. A weak battery may result in limited range or failure to unlock the doors. Always test the fob after replacement to ensure it operates correctly.
In the next section, we will discuss how to recognize signs that indicate your key fob battery needs replacement. Understanding these signs can help prevent unexpected inconveniences while using your vehicle.
What Size Battery Does a 2018 Malibu LT Key Fob Require?
The 2018 Malibu LT key fob requires a CR2032 battery.
Key points regarding the battery for the 2018 Malibu LT key fob:
1. Battery type: CR2032
2. Battery size: 20mm diameter and 3.2mm thickness
3. Battery lifespan: Typically lasts 3-4 years
4. Replacement procedure: Simple battery change by accessing the fob
Understanding the battery specifications and replacement process can help users maintain their key fob effectively.
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Battery Type:
The battery type for the 2018 Malibu LT key fob is CR2032. A CR2032 battery is a widely used lithium coin cell. It is commonly found in various electronic devices, such as watches and calculators. This battery provides reliable energy in a compact size, making it ideal for key fobs. -
Battery Size:
The battery size of the CR2032 is 20mm in diameter and 3.2mm in thickness. These dimensions allow for a snug fit in the key fob. Ensuring the right size is crucial for proper functioning. A battery that is too large or small may not establish the necessary connections, leading to performance issues. -
Battery Lifespan:
The battery lifespan of a CR2032 typically lasts 3 to 4 years under normal usage conditions. However, frequent use of the key fob can decrease its lifespan. Monitoring the performance of the key fob can prevent sudden failures. Regular checks can also help users be prepared for timely replacements. -
Replacement Procedure:
The replacement procedure for the battery involves a simple process. Users can access the battery compartment by carefully prying apart the key fob. After removing the old battery, the new CR2032 should be inserted with the positive side facing up. Finally, reassemble the key fob securely. Following these steps can help ensure that the fob continues to operate effectively.
How Can I Determine the Correct Battery Type for My 2018 Malibu LT Key Fob?
To determine the correct battery type for your 2018 Malibu LT key fob, you can refer to the vehicle’s owner’s manual, check the existing battery, or consult an automotive professional.
The following methods can help you accurately identify the right battery type:
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Owner’s Manual: The manual often includes battery specifications. It typically lists battery type information under the key fob section.
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Existing Battery Check: Open your key fob carefully and inspect the battery. You will find a code printed on the battery, usually in the form of a series of letters and numbers, such as CR2032. This code indicates the battery type.
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Consulting a Professional: Visit a dealership or an automotive store. Staff can assist in identifying the correct battery type based on your vehicle model and year.
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Online Resources: Use reliable automotive websites or forums for insights. Many car enthusiasts share their experiences regarding battery types for specific models.
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Battery Specifications: Generally, key fobs for the 2018 Malibu LT utilize a CR2032 lithium coin battery. This battery is 20mm in diameter and 3.2mm thick.
By following these steps, you can ensure that you select the appropriate battery type for your key fob, ensuring its functionality and longevity.
What Are the Common Battery Types for 2018 Malibu LT Key Fobs?
The common battery types for the 2018 Malibu LT key fobs are CR2032 and CR2450.
- CR2032 battery
- CR2450 battery
Both CR2032 and CR2450 batteries power the key fob for the 2018 Malibu LT. Understanding the differences between these batteries can help vehicle owners make informed decisions when replacing them. CR2032 batteries are widely used and typically smaller in size, while CR2450 batteries are thicker and may last longer due to their higher capacity. Vehicle owners may also consider stock availability and personal preferences for battery brands when making a replacement choice.
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CR2032 Battery:
The CR2032 battery is a coin cell lithium battery commonly used in various electronic devices, including key fobs. The designation “2032” indicates the dimensions of the battery: 20mm in diameter and 3.2mm in thickness. This battery has a nominal voltage of 3 volts, which is standard for many low-power devices. CR2032 batteries usually have a capacity of around 220mAh, providing sufficient power for the remote entry or keyless start functions in most vehicles, including the 2018 Malibu LT. -
CR2450 Battery:
The CR2450 battery is another type of coin cell lithium battery, larger in size compared to the CR2032. Its designation “2450” corresponds to its dimensions: 24mm in diameter and 5.0mm in thickness. Like the CR2032, it has a nominal voltage of 3 volts. The CR2450 battery generally has a higher capacity, typically around 540mAh. This larger capacity means it can last longer in use, making it a suitable choice for key fobs that demand more power or for users who prefer less frequent replacements.
Why Is It Important to Replace the Battery in My 2018 Malibu LT Key Fob?
Replacing the battery in your 2018 Malibu LT key fob is important to ensure proper functionality. A depleted battery can cause the key fob to fail, leading to inconvenience and potential access issues with your vehicle.
According to the International Battery Association, a key fob is a wireless remote that communicates with a vehicle’s electronic systems. It uses a small battery to power its functions, such as locking and unlocking doors and starting the engine.
The reason behind the need to replace the battery lies in its limited lifespan. Key fob batteries usually last from 1 to 3 years, depending on usage. Over time, the battery’s chemical components degrade, reducing its ability to hold a charge. When the battery runs low, the fob may have a weaker signal, causing it to work inconsistently or not at all.
Key fobs commonly use a coin cell battery, such as the CR2032 or CR2025. These batteries store energy in a chemical form and release it through electrochemical reactions. The key fob sends a signal to the vehicle’s receiver, which verifies the key fob’s identity. If the battery is weak, the signal may not reach the receiver, resulting in malfunction.
Specific conditions can contribute to battery drain. For instance, frequently using the key fob to unlock doors or start the engine drains the battery faster. Environmental factors like extreme temperatures can also affect battery performance. Leaving the fob exposed to high heat or freezing conditions may shorten its life.
In summary, regularly checking and replacing your key fob battery helps ensure reliable access to your vehicle and avoids potential lockout situations.
What Signs Indicate That My 2018 Malibu LT Key Fob Battery Needs Replacement?
Signs that indicate your 2018 Malibu LT key fob battery needs replacement include:
- Reduced range of the key fob signal
- Intermittent or non-responsive buttons
- Battery warning light on the dashboard
- Key fob working only when close to the vehicle
These signs illustrate common experiences among key fob users. However, opinions may vary on how often batteries should be replaced. Some suggest regular changes every few years, while others believe they should only be swapped when symptoms arise. Now, let’s delve deeper into each of these signs.
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Reduced Range of the Key Fob Signal:
A reduced range of the key fob signal indicates that the battery may be losing power. When fully functional, most key fobs have an effective range of about 50 feet. If you find that you need to be closer to the vehicle to unlock or start it, consider replacing the battery. A study by the Automotive Battery Institute suggests that key fob batteries typically last between 3 to 5 years, but their efficiency may decline gradually. -
Intermittent or Non-Responsive Buttons:
Intermittent or non-responsive buttons often suggest a weak battery. If pressing the lock or unlock buttons results in erratic functioning, it may indicate the need for a battery change. This can be frustrating, especially if the fob is needed multiple times a day. According to a report by the University of Michigan, many users replace their key fob batteries as a proactive measure before major failure. -
Battery Warning Light on the Dashboard:
The battery warning light on the dashboard serves as a direct alert for key fob battery issues. If this light activates, it’s advisable to check the key fob and consider a battery replacement. This warning can prevent potential starting issues when you need your vehicle. Car manufacturers like Chevrolet often design their systems to alert drivers of low battery status as a safety feature. -
Key Fob Working Only When Close to the Vehicle:
If the key fob only operates when in close proximity to the vehicle, this behavior demonstrates a weak battery. This issue can hinder convenience and may leave a driver stranded. Various automotive maintenance websites recommend monitoring this symptom closely and replacing the battery promptly to ensure optimal performance.
Paying attention to these signs can help maintain the functionality of your key fob and enhance your overall driving experience.
How Do I Replace the Battery in My 2018 Malibu LT Key Fob?
To replace the battery in your 2018 Malibu LT key fob, follow these steps: open the key fob, remove the old battery, and insert the new battery.
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Open the key fob: Locate the small notch on the edge of the key fob. Use a flat tool or your fingernail to gently pry the two halves of the fob apart. Be cautious to avoid damaging the plastic casing.
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Remove the old battery: Inside the key fob, you will see the battery. Carefully note the orientation of the battery before removal. Use your fingers or a small tool to lift it out of the compartment. The 2018 Malibu LT typically uses a CR2032 battery, which is a common lithium coin cell battery.
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Insert the new battery: Take a new CR2032 battery and place it in the compartment, ensuring that the positive (+) side is facing up, matching the orientation of the removed battery.
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Reassemble the key fob: Align the two halves of the fob and press them together until they snap securely into place. Check that there are no gaps between the halves.
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Test the key fob: After reassembling, test the key fob to ensure it functions properly. You should be able to lock and unlock your vehicle without any issues.
Following these steps will ensure your key fob battery is replaced correctly, maintaining the effectiveness of your vehicle’s remote entry system.
Where Can I Purchase Replacement Batteries for My 2018 Malibu LT Key Fob?
You can purchase replacement batteries for your 2018 Malibu LT key fob at several locations. First, check your local auto parts store. They typically carry batteries suitable for key fobs. Second, you can visit large retail chains, such as Walmart or Target, that often stock these batteries in their electronics or automotive sections. Third, consider online retailers like Amazon or eBay. These platforms offer a variety of options and may provide delivery to your doorstep. The battery type for your key fob is usually a CR2032 or CR2025, but it is best to confirm this by checking the specific model on the back of your key fob or consulting the owner’s manual.
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