2007 Lexus GS 450h User Guide - Page 449

5-2. Steps to take in an emergency n If the malfunction indicator lamp comes on while driving First check the following: l Is your vehicle low on gas? If it is, refuel the vehicle immediately. l Is the fuel tank cap loose? If it is, tighten it securely. The light will go off after taking several driving trips. If the light does not go off even after several trips, contact your Lexus dealer as soon as possible. n Front passenger detection sensor and passenger seat belt reminder l If luggage is placed on the front passenger seat, the front passenger detection sensor may cause the warning light to flash, even if a passenger is not sitting in the seat. l If a cushion is placed on the seat, the sensor may not detect a passenger, and the warning light may not operate properly. n SRS warning light This warning light system monitors the following: l The airbag sensor assembly l Front airbag sensors l The curtain shield airbag sensors l The side and curtain shield airbag sensors l The occupant detection sensor l The seat belt buckle switches l The driver's seat position sensor l The inflators l The warning light l The interconnecting wiring and power sources 434