2007 Lexus RX 400h Owners Manual - Page 477

Topic 1 Entering and Exiting Theft Deterrent System The theft deterrent system includes the following features to help protect your vehicle from theft. n Engine immobilizer system The engine immobilizer system prevents the engine from being started in the event that an attempt is made to start the vehicle using an unregistered key. The security indicator light flashes to indicate that the system is set. n Alarm The system sounds the alarm and flashes lights when the doors or hood that have been locked is forcibly opened. To set the alarm: lock all the doors from outside the vehicle. When all the doors are locked, the security indicator light comes on to indicate that the alarm is in its preparation state. The indicator light begins to flash after approximately 30 seconds to indicate that the system is armed. To deactivate or stop the alarm: unlock the doors using the key or the wireless remote control, or turn the ignition key to the ON position. (The alarm will stop after several seconds.) n Steering lock The steering wheel locks when the ignition key is turned to the LOCK position. 9