Work your way around the fob slowly.
Mazda cx 5 key fob battery replacement.
What to do if you lose your car keys again though you can try figuring out how to replace the mazda key fob battery yourself we always recommend working with a qualified mazda technician to avoid damaging the key.
Replace the battery cap.
Press the knob and pull out the auxiliary key.
Remove the key from the fob by pushing the tiny switch and pulling on the key ring.
Replace the key fob cover which should snap into place.
Unfortunately it doesn t give you any low battery warnings.
Using a prying tool gently pry the 2 halves of the fob apart.
Twist a tape wrapped flathead screwdriver in the direction of the arrow and open the cover slightly.
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Replacing the key battery.
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Replacing the battery at an authorized mazda dealer is recommended to prevent damage to the key.
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If replacing the battery by yourself follow the instruction.
Lastly reinsert the auxiliary key.