2006 Lexus GS 300 Owners Manual - Page 35

KEYS AND DOORS If the electronic key battery is discharged, the entry function and wireless remote control cannot be used. Use the mechanical key integrated into the electronic key by inserting it in the door keyhole to lock or unlock doors and into the trunk lid keyhole to unlock the trunk lid. To start the engine, see "Starting the engine when the electronic key battery is discharged" on page 27. In order to activate the entry function and wireless remote control, the battery should be replaced. For details, see "Replacing the battery" on page 33. (a) Engine immobilizer G11009 The engine immobilizer is a theft prevention function. When you enter the vehicle carrying an electronic key and press the engine switch, the electronic code in the key is automatically checked to determine whether it corresponds to the registered ID code for the vehicle. If the ID code is verified, you can start the engine. The system is automatically set when the engine switch is off. The indicator light will start flashing to show the system is set. 11