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:

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is per- formed on the vehicle. ...

Taking out the jack
Remove the cover. Unhook the rubber band and take out the jack. 1. For loosening 2. For tightening   ...

Setting up the “Preset Destinations”
If preset destination has been registered, that information can be recalled by using “Preset Destination” on the “Destination” screen. (See “— Destination search by Preset destinations ...