2009 Lexus SC 430 Owners Manual - Page 293

5-2. Steps to take in an emergency Warning lights Warning light/Details Driver's seat belt reminder light Correction procedures Wear the seat belt. (Warning buzzer)*2 Warns the driver to wear his/her seat belt. Front passenger's seat belt reminder light (Warning buzzer)*2 Warns the front passenger to wear his/her seat belt. *1 Wear the seat belt. Open door warning buzzer: A buzzer will sound if the vehicle is driven at a speed of approximately 3 mph (5 km/h) or more and a door or trunk lid is not fully closed. *2 Seat belt reminder warning buzzer: A buzzer will sound again if the vehicle is driven at a speed of approximately 12 mph (20 km/h) or more and each seat belt is not fastened. n Front passenger detection sensor and passenger's seat belt reminder If luggage or other load is placed on the front passenger seat, depending on its weight, the reminder light to flash and buzzer to sound. n If the open retractable hardtop warning buzzer sounds Immediately stop your vehicle and open or close the retractable hardtop fully. 298