2007 Lexus GS 450h Owners Manual - Page 457

5-2. Steps to take in an emergency 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 front passenger occupant classification ECU l "AIRBAG ON" and "AIRBAG OFF" indicator lights l The pressure sensor l The belt tension 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 n When the tire pressure warning light comes on Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire pressure warning reset switch does not turn off the tire pressure warning light. n The tire pressure warning light may turn on due to natural causes The tire pressure warning light may turn on due to natural causes such as natural air leaks or tire inflation pressure changes caused by temperature. In this case, adjusting the tire inflation pressure will turn off the warning light. 442