If the electronic key does not operate properly

Lexus GX / Lexus GX Owners Manual / When trouble arises / Steps to take in an emergency / 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 wireless remote control cannot be used. In such cases, the doors can be opened or the engine can be started by following the procedure below.

See also:

Seat belts
Make sure that all occupants are wearing their seat belts before driving the vehicle.  - Correct use of the seat belts 1. Extend the shoulder belt so that it comes fully over the shoulder, ...

RDS (Radio Data System)
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Locking the driver’s door from the outside without a key
Move the inside lock button to the lock position. Close the door. The door cannot be locked if the “ENGINE START STOP� switch is in ACCESSORY or IGNITION ON mode, or the electronic key is ...