2007 Lexus GS 350 Owners Manual - Page 525

5-2. Steps to take in an emergency Warning light Warning light/Details Driver's seat belt reminder light (warning buzzer)*3 Warns the driver to fasten his/her seat belt. Correction procedure Fasten the seat belt. Front passenger's seat belt reminder light (warning buzzer)*3 Fasten the seat belt. Warns the front passenger to fasten his/her seat belt. Tire pressure warning light When the light comes on: Low tire inflation pressure. Adjust the tire inflation pressure. When the light comes on after Have the system checked by blinking for 1 minute: your Lexus dealer. Malfunction in the tire pressure warning system. 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. Take appropriate action in accordance with the message displayed on the multi-information display. *2: Open door warning buzzer: →P. 462 *3:Driver's and front passenger's seat belt reminder buzzer: The driver's and front passenger's seat belts reminder sounds to alert the driver and 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 lest 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. 452