Maintenance and care

Key battery

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

• Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver with rag.)
• Small Phillips-head screwdriver • Lithium battery

Vehicles with smart key system: CR1632 Vehicles without smart key system: CR2025

- Replacing the battery (vehicles with smart key system)

Take out the mechanical key.


Remove the cover.


Remove the depleted battery.

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

- Replacing the battery (vehicles without smart key system)

Remove the cover.


Remove the module.


Open the case cover using a flathead screwdriver protected with tape etc. and remove the depleted battery.

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

- If the electronic key battery is discharged The following symptoms may occur. • The smart key system and wireless remote control will not function properly. • The operational range is reduced. - Use a CR1632 (vehicles with smart key system), or CR2025 (vehicles without smart key system) lithium battery • Batteries can be purchased at your Toyota dealer, jewelers, or camera stores. • Replace only with the same or equivalent type recommended by a Toyota dealer.

• Dispose of used batteries according to the local laws.

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 components inside the electronic key.

• Do not bend the battery terminals.

Test yourself

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