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How to Replace the Remote Battery of the Toyota Corolla?

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

In this video, you will see how to replace the flat battery of the remote for the Toyota Corolla MK4. This is a very simple operation; you will only need a small flathead screwdriver and, of course, a replacement battery, model CR2032, 3V. First, remove the emergency key by pressing the appropriate button, then separate the remote into two halves by levering with the screwdriver in the indicated slot. Once the two halves are separated, extract the internal circuit, on the back of which is the battery that you will replace, ensuring the correct polarity.

Updated on 3 May 2026 by ScegliAuto

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