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2 minute read
Replacing Smart Key/Advanced Keyless Entry (AKE) Battery
Compliments of TimboAA @ miata.net
3-3-2010
Replacing the Battery in your Smart Key
http://thattimguy.com/?p=108
Car: 2008 Mazda MX-5 (Last year that this style key was used)
1. Remove the emergency key from the key card.
2. Open the rubber battery door. On the left side (opposite side of emergency key) there is a thin piece of rubber that wraps around the bottom side profile corner. On the long side there is a small opening about 3/4″ from the bottom. In this opening, the rubber piece can be pried away from the key card. Something with a small tip should be used, such as a paperclip end to lift the rubber away. (Be careful not to damage the key card)
3. Once the battery door is open, shake or tap the key card gently to loose the battery. It will fall out.
4. Replace with a new battery by sliding it positive (+) side up into the card. Battery is a 3V CR2025.
5. Close the rubber battery door and push the side portion back into the card. Voila!
The hardest part is removing that little rubber strip that is the battery door. The pictures should be self-explanatory.
