2007 Lexus RX 400h Owners Manual - Page 388

5-2. Steps to take in an emergency Warning light Warning light/Details Tire pressure warning light Indicates low tire pressure. Master warning light A buzzer sounds and the warning light comes on and flashes to indicate that the master warning system has detected a malfunction. Correction procedure Adjust the tire inflation pressure. Take appropriate action in accordance with the message displayed on the multi-information display. *1: Driver's seat belt reminder: The driver's seat belt reminder sounds to alert the driver that his or her seat belt is not fastened. Once the ignition key is turned to the ON or START position, the buzzer sounds for 4 to 8 seconds. If the vehicle has reached a speed of at least 12 mph (20 km/h), the buzzer sounds intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a different tone for 20 more seconds. *2: Front passenger's seat belt reminder: The front passenger's seat belt reminder sounds to alert the front passenger that his or her seat belt is not fastened. The buzzer sounds intermittently for 10 seconds after the vehicle has reached a speed of at least 12 mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound in a different tone for 20 more seconds. 366