2013 Lexus GS 450h Owners Manual - Page 687

7-2. Steps to take in an emergency 715 Warning light Warning light/Details Tire pressure warning light Correction procedure Adjust the tire inflation pressure to the specified level. When the light comes on: The light will turn off after a Low tire inflation pressure such few minutes. In case the light as does not turn off even if the • Natural causes (→P. 717) tire inflation pressure is • Flat tire (→P. 749) adjusted, have the system checked by your Lexus dealer. When the light comes on after blinking for 1 minute: Have the system checked by Malfunction in the tire pressure your Lexus dealer. warning system *1: Open door warning buzzer: →P. 728 *2: Driver's seat belt buzzer: The driver's seat belt buzzer sounds to alert the driver that his or her seat belt is not fastened. Once the power switch is turned to ON mode, the buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the seat belt is still unfastened after 30 seconds, the buzzer will sound intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a different tone for 20 more seconds. Front passenger's seat belt buzzer: The front passenger's seat belt buzzer sounds to alert the front passenger that his or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is still unfastened after 30 seconds, the buzzer will sound intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a different tone for 20 more seconds. 7 When trouble arises GS450h_U (OM30D01U)