2012 Jeep Wrangler Owner Manual - Page 282

280 UNDERSTANDING YOUR INSTRUMENT PANEL means the engine oil change interval may fluctuate 25. Malfunction Indicator Light (MIL) dependent upon your personal driving style. The Malfunction Indicator Light (MIL) is a part of an Onboard Diagnostic System called OBD II that Unless reset, this message will continue to display each monitors engine and automatic transmission contime you turn the ignition switch to the ON/RUN trol systems. The light will illuminate when the ignition position. To turn off the message temporarily, press and is in the ON position before engine start. If the bulb does release the Trip Odometer button on the instrument not come on when turning the key from OFF to ON/ cluster. To reset the oil change indicator system (after RUN, have the condition checked promptly. performing the scheduled maintenance), refer to the following procedure: Certain conditions, such as a loose or missing gas cap, poor quality fuel, etc., may illuminate the light after 1. Turn the ignition switch to the ON/RUN position engine start. The vehicle should be serviced if the light (do not start the engine). stays on through several typical driving styles. In most 2. Fully depress the accelerator pedal slowly three situations, the vehicle will drive normally and will not times within 10 seconds. require towing. 3. Turn the ignition switch to the OFF/LOCK position. When the engine is running, the MIL may flash to alert serious conditions that could lead to immediate loss of NOTE: If the indicator message illuminates when you power or severe catalytic converter damage. The vehicle start the vehicle, the oil change indicator system did not should be serviced as soon as possible if this occurs. reset. If necessary, repeat this procedure.