Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Key Battery on a Toyota Corolla

Model: Toyota Corolla MK 5, E210 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

See other generations:
Video tutorial

Replacing the battery in your Toyota Corolla key takes just a few seconds and can be done independently. Follow the instructions provided here.

First, completely remove the physical emergency key from the fob and then use the same key to open the fob and gain access to the dead battery. Once done, remove the old battery and replace it with a new model.

Finally, correctly reassemble the fob and insert the emergency key back inside.


Updated on 10 July 2026 by ScegliAuto


Related tutorials

Battery Replacement for the Toyota Corolla
Battery Replacement for the Toyota Corolla
Toyota Corolla (2006-2013 / MK 3) In today's tutorial video, we will see how to remove and replace the battery in the Toyota Corolla, following the instructions below. First, open the…
How do you replace the battery of the Toyota Corolla remote control?
How do you replace the battery of the Toyota Corolla remote control?
Toyota Corolla (2019-2026 / MK 5, E210) In order to replace the battery of the Toyota Corolla remote control, you need to pry open the bottom of the device with an object like a screwdriver…
How to Replace the Key Battery in the Toyota Corolla Matrix
How to Replace the Key Battery in the Toyota Corolla Matrix
Toyota Corolla (2000-2007 / MK 2) If you own a Toyota Corolla Matrix (2000-2007) and want to replace the button battery inside the key, follow the instructions in this guide. First, g…

Other guides you may be interested in

How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

Watch the video!


by ScegliAuto

More videos