See also:

If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s battery is discharged. You can call your Lexus dealer or qualified repair shop. If you have a set of jumper (or booster) ca ...

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

If the electronic key does not operate properly
If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart access system with push-button start and wirele ...