Electronic key battery
Replace the battery with a new one if it is depleted.
- You will need the following items:
• Flathead screwdriver
• Small Phillips-head screwdriver
• Lithium battery (CR1632)
- Replacing the battery

Take out the mechanical key.

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

Remove the depleted battery.
Insert a new battery with the “+” terminal facing up.
- Use a CR1632 lithium battery
• Batteries can be purchased at your Lexus dealer, local electrical appliance shops or camera stores.
• Replace only with the same or equivalent type recommended by the manufac- turer.
• Dispose of used batteries according to the local laws.
- If the electronic key battery is discharged
The following symptoms may occur.
• The smart access system with push-button start and wireless remote control will not function properly.
• The operational range is reduced.
CAUTION
- Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can cause choking. 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 remote control.
• Do not bend the battery terminals.
See also:
Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct
procedures
as given in these sections.
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