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How to Replace the Key Battery on the Toyota Corolla

Model: Toyota Corolla MK 2 - Years 2000-2007
Part: Key

Often, the malfunction of your car key is simply due to a flat battery. In this case, the maintenance operations are really simple and inexpensive and can be completed in just a few seconds. First, extract the physical emergency key, then using a small flat-head screwdriver, detach the lower cover from the upper one. At this point, you will have access to the exhausted button battery. Simply remove it and place a new one in its place. Finally, reattach the back cover and insert the physical key back inside.

Updated on 8 June 2026 by ScegliAuto

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