2007 Lexus IS 250 Owners Manual - Page 355

5-2. Steps to take in an emergency n If the electronic engine control system warning light comes on while driving First check the following: l Is the fuel empty? If it is, fill the fuel tank 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. 5 When trouble arises 343