2022 toyota corolla hatchback key fob battery replacement

Q: What battery do Toyota keys use?

You can also find this in your owners manual; most Toyota key fobs require a CR 2032 3V. You can find a replacement battery at most electronic stores, or you can order one online.

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This automotive maintenance tutorial was specifically written to assist owners of the twelfth generation 2019 (hatchback), 2020, 2021, 2022 (and probably also the 2023, 2024 & 2025) Toyota Corolla sedan in changing the battery in the key fob remote control for the keyless entry system.

Owners of other Toyota and Lexus vehicles such as the Camry, C-HR, Venza, Avalon, 86, Sienna, Tacoma, RAV4, Highlander, 4Runner, Sequoia, IS 350, RX 350, UX 200, GS 350, IS 300 and ES 350 may also find these DIY instructions to be helpful.

The compatible replacement coin cell (also known as a "button" or "watch") battery is part number CR2032.

The tools needed to access and replace the battery include a plastic pry bar tool and a small flat head screwdriver such as from a precision screwdriver set.

An optional first step is to separate your key ring and house key or other keys from the fob.

Press the chrome silver colored button on the top corner of the fob near the "Lock" button to release the "flip out" or "switchblade" style ignition key.

Set the back cover aside in a safe place.

Gently pull out the red rubber seal that prevents water, moisture, debris, dust, etc from entering the battery socket.

Set the red rubber cap aside in a safe place.

Make sure the two halves of the fob are flush together at every edge.

Swing the ignition key down into the folded (locked) position.

To test the new battery, stand near your car and press the "Unlock" or "Lock" button.

If the new battery was installed correctly and working properly, you should see the parking lights flash and hear the door locks opening or closing.

(You should not have to re-program the key fob. Just changing the battery should not clear the original programming from the factory.)

Be sure to write down the battery change in your vehicle's service records.

Please check out all of my 2020 Toyota Corolla DIY Repair & Maintenance Guides.

What battery does a Toyota Corolla key fob use?

Most Toyota models use a CR2032 battery, which you can find in stores and online. These batteries are pretty affordable as they typically cost less than $5. Place your Toyota key fob battery replacement inside of your case and seal it back up.

What battery do Toyota keys use?

You can also find this in your owner's manual; most Toyota key fobs require a CR 2032 3V. You can find a replacement battery at most electronic stores, or you can order one online.

toyota corolla hatchback key fob battery replacement