Electronic key battery
Replace the battery with a new one if it is discharged.
- You will need the following items:
l Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag.)
l Small Phillips-head screwdriver
l Lithium battery (CR1632)
- Replacing the battery

Take out the mechanical key.

Remove the cover.

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.
l The smart access system with push-button start and wireless remote con- trol will not function properly.
l The operational range is reduced.
- Use a CR1632 lithium battery
l Batteries can be purchased at your Lexus dealer, jewelers, or camera
stores.
l Replace only with the same or equivalent type recommended by your Lexus dealer.
l Dispose of used batteries according to the local laws.
- When the card key battery needs to be replaced
The battery for the card key is available only at Lexus dealer. Your Lexus
dealer can replace the battery for you.
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.
l Always work with dry hands.
Moisture may cause the battery to rust.
l Do not touch or move any other components inside the electronic key.
l Do not bend the battery terminals.
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