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.
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