Maintenance and care

Wireless remote control/electronic key battery

~2min read
Replace the battery with a new one if it is depleted. You will need the following items:

● Flathead screwdriver ● Small flathead screwdriver ● Lithium battery CR2016 (vehicles without a smart key system), or CR2032 (vehicles with a smart key system)

Replacing the battery ► Vehicles without a smart key system 1 Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.

To prevent the buttons from being disassembled, face the button surface downward.

2 Remove the module.

2 Remove the module.

3 Open the case cover using a coin protected with tape etc.

3 Open the case cover using a coin protected with tape etc.

and remove the depleted battery using a small flathead screwdriver.

Insert a new battery with the “+” terminal facing up.

► Vehicles with a smart key system

► Vehicles with a smart key system

1 Take out the mechanical key.

2 Remove the cover.

2 Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.

3 Remove the depleted battery.

3 Remove the depleted battery.

Insert a new battery with the “+” terminal facing up.

■Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles with
■Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles with a smart key system) lithium battery ●Batteries can be purchased at your Toyota dealer, local electrical appliance shops or camera stores. ●Replace only with the same or equivalent type recommended by the manufacturer.

●Dispose of used batteries according to local laws.

■If the key battery is depleted

The following symptoms may occur:

●The smart key system (if equipped) and wireless remote control will not function properly.

●The operational range will be reduced.

CAUTION ■Removed battery and other parts

These parts are small and if swallowed by a child, they can cause choking.

Keep away from children. Failure to do so could result in death or serious injury.

NOTICE ■For normal operation after replacing the battery

Observe the following precautions to prevent accidents:

●Always work with dry hands. Moisture may cause the battery to rust. ●Do not touch or move any other component inside the remote control.

●Do not bend either of the battery terminals.

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.