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How to Replace the Key Battery on a Toyota Corolla

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

If you want to know how to replace the button cell battery inside the key for the Toyota Corolla, simply read the following guide carefully and follow the various instructions provided. First, press the small button located at the top of the cover and fully extract the physical key from inside the cover. Next, insert a small flat screwdriver into the gap created and gently push upwards. At this point, you will have access to the used battery. Replace it with a new one and finally reassemble the cover, ensuring you insert the physical key back in.

Updated on 7 May 2026 by ScegliAuto

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