Electronic key battery
Replace the battery with a new one if it is discharged.
You will need the following items:
Small Phillips-head screwdriver.
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.
Use a CR1632 lithium battery
l 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 manufacturer.
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
not function properly.
The operational range is reduced.
When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus
can replace the battery for you.
Removed battery and other parts Keep away from children.
These parts are small and if swallowed by a child, they can cause choking.
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 either of the battery terminals.
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