2003 Lexus GX 470 Owners Manual - Page 190

THEFT DETERRENT Cancelling the system When you unlock any door using an ignition key or wireless remote control, the system is cancelled. If you unlock any door with wireless remote control, the turn signals flash twice. Testing the system 1. Open all the windows. 2. Set the system as described above. The front doors should be locked with the ignition key or wireless remote control. Be sure to wait until the indicator light starts flashing. 3. Unlock one of the doors from the inside. The system should activate the alarm. 4. Unlock any of the doors with a key or the wireless remote control to cancel the system. 5. Repeat this operation for the other doors and hood. When testing the hood, also check that the system is activated when the battery terminal is disconnected and then reconnected. If the system does not work properly, have it checked by your Lexus dealer. Activating the system The alarm sounds for 60 seconds if any of the following are operated: D Unlocking any door without using an ignition key or wireless remote control. D Opening the hood and any doors forcibly. D Reconnecting the battery. If the battery becomes discharged due to the vehicle being unused for a long time, etc., when the battery is recharged or replaced, the system will give the alarm. If this happens, immediately unlock any of the doors with the key or the wireless remote control, and the alarm will stop. If any door is unlocked and the ignition key is not in the ignition switch during the alarm sounding, its door is automatically locked. To stop the alarm: Use either of the following methods. D Unlock the door using an ignition key or wireless remote control. D Turn the ignition switch on. NOTICE Disconnecting the battery may result in the erasure of information you have set in the computer memory. After reconnecting the battery, check that the memorized data has been retained. If it has been erased, input it into the computer once more. 176