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Replacing the Car Key Battery

Model: (Various brands) Various
Part: Battery

How do you change the battery in your car key? Let’s look at the disassembly and replacement of the damaged battery. Open the bonnet and locate the battery you will be replacing. Remove the battery cover plastics, unscrew the securing pins of the battery terminals, then remove it from the engine bay. Replace the damaged battery with a new one. Once fitted, close the engine bay and test the new battery by starting the engine. Replace the battery with one identical to the one removed, as indicated in the manual.

Updated on 15 April 2026 by ScegliAuto

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