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How to Replace the Key Battery in the Toyota Corolla [UK]

Model: Toyota Corolla MK 4, E170, E160 - Years 2013-2019
Part: Key

To replace the remote key battery in a Toyota Corolla, follow these steps. Take a small screwdriver and insert it into the seam between the two halves of the key. Pry open the two halves, remove the block containing the battery, and use the same screwdriver to open the battery compartment. At this point, you will have access to the battery, which can be removed. Take the new battery and place it in the compartment (ensuring the positive terminal is facing upwards). Finally, reassemble everything in reverse order.

Updated on 20 June 2026 by ScegliAuto

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