Key Fob Not Working? DIY Guide to Replace Battery in 2017 Mazda 3 Key
To replace the battery in a 2017 Mazda 3 key fob, gather a CR2025 battery and a small flathead screwdriver. Press the knob to remove the lower cover. Unlock the upper part and replace the old battery, ensuring correct orientation. Clean the terminals, reassemble the fob, and check that the new battery’s voltage is at … Read more