What is the battery model for the Mazda CX4 key?

2 Answers
DiGabriela
07/28/25 11:32pm
Mazda CX4 key battery model is CR2025, which provides power to the vehicle key for remotely controlling the vehicle's anti-theft system. The Mazda CX4 is a compact SUV with exterior dimensions of 4637mm in length, 1855mm in width, and 1524mm in height, with a wheelbase of 2700mm. The Mazda CX4 is equipped with a 2.0L naturally aspirated engine, delivering a maximum horsepower of 158hp, a maximum power of 116kW at 6400rpm, and a maximum torque of 304Nm at 4000rpm.
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Philip
08/12/25 3:53am
I've been driving my Mazda CX-4 for almost two years now. The key fob uses a CR2025 coin cell battery, which you can easily find in supermarkets or electronics stores for just a few bucks. It typically lasts about 1.5 to 2 years. If you notice the remote range getting shorter or the buttons becoming unresponsive, it's time for a replacement. I've changed mine once - it's super simple: just use a small screwdriver to pry open the back cover, make sure the positive side faces up when inserting the new battery, and the whole process takes about five minutes. Don't worry about short circuits - just handle it gently. To extend battery life, avoid unnecessary button presses. While the key is fairly water-resistant, try not to expose it to prolonged rain as water damage might cause poor contact. Bottom line - these minor issues are easy DIY fixes that save both money and hassle, no need to visit the dealership every time.
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