2006 Lexus RX 400h Owners Manual - Page 128

GAUGES, METERS AND SERVICE REMINDER INDICATORS (g) Malfunction Indicator Lamp This lamp comes on when the ignition key is turned to the "ON" position and goes off when the "READY" light comes on. This means that the warning light system is operating properly. If the lamp remains on, or the lamp comes on while driving, first check the followings. D Empty fuel tank If the fuel tank is empty, refuel immediately. D Loose fuel tank cap If the fuel tank cap is loose, securely tighten it. These cases are temporary malfunctions. The malfunction indicator lamp will go off after taking several driving trips. If the lamp does not go off even after several trips, contact your Lexus dealer as soon as possible. If the fuel tank is not empty or the fuel tank cap is not loose...D There is a problem somewhere in the hybrid system or warning light system itself. Contact your Lexus dealer as soon as possible to service the vehicle. Emissions Inspection and Maintenance (I/M) programs Your vehicle may not pass a state emission inspection if the malfunction indicator lamp remains on. Contact your Lexus dealer to check your vehicle's emission control system and OBD (On−Board Diagnostics) system before taking your vehicle for the inspection. See "Emissions inspection and maintenance (I/M) programs" on page 517. 92