How to Open Your 2016 Mazda CX-5 Key Fob & Change Battery
Key fob allow easy access to your car. When the key battery is weak you lose your keyless entry fob's ability to control remote functions. Below, we outlined how to disassembly your remote key fob and change your Mazda key battery.
What type battery key fob useChanging battery in keyless entry remote require CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- flat head screwdriver
- 1xCR2025 battery
Step by step instruction
Inside of your key fob installed small button cell battery. Move the key out of the way if it is in the keyless entry remote.
Accurately try to open your key fob with pry tools. Replace CR2025 battery with flat head screwdriver.
Get new battery and install it in fob’s shell. Battery must be placed with the same polarity as was an old. Your keyless entry remote will not work if you by mistake place battery wrong way.
When the new battery installed, verify key fob functionality by pressing buttons. If everything working properly, assemble your fob’s shell in reverse order.
The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. Check your key case for gaps. If it is not tightly closed try to repeat last step.
How to replace the battery video instruction
Mazda 3, CX-5 key fob battery replacement