How to replace the key fob battery on Mazda 3, Mazda 6, CX-5, CX-3, MX-5, Miata, CX-7, CX-9 in 6 steps

If you want to replace the key fob battery on Mazda 3, Mazda 6, CX-5, CX-3, MX-5, Miata, CX-7, CX-9, uou just have to follow 6 simple steps.
Watch the VIDEO TUTORIAL below:

Required tools:

– a flat blade screwdriver

1. Remove the key blade
2. Use a flat blade screwdriver to split the key fob in two
3. Use the key blade to separate the key fob in half
4. Remove the round plastic cap and replace the old battery with a new one
5. Put the plastic cap back
6. Install the key fob and put the key blade back.

 

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