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Replacing the Remote Key Battery

Model: Mazda Cx 7 MK 1 - Years 2006-2012
Part: Key

If pressing the buttons on the remote key does not open or close the vehicle, the battery may be flat and needs replacing; use a very small flathead screwdriver to pry along the slot at the base of the shell that houses the buttons: you need to unclip and remove the portion of the shell with the buttons to access the battery compartment; then remove the old battery and insert the new one, ensuring the correct polarity, and close the key by snapping the shell back into place.

Updated on 18 February 2026 by ScegliAuto

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