2008 Subaru Impreza Owner's Manual - Page 136

3-20 Instruments and controls check the engine oil level. If the oil level is low, add oil immediately. If the engine oil is at the proper level but the light remains on, contact your nearest SUBARU dealer immediately. is not working properly. Contact your nearest SUBARU dealer for service immediately. & Rear differential oil CAUTION Park the vehicle for several minutes. After the light turns off, you can start driving. If the light does not go out, contact the nearest SUBARU dealer for service. CAUTION Do not operate the engine with the oil pressure warning light on. This may cause serious engine damage. temperature warning light (WRX STI) NOTE . If the tire pressures are not correct and/or the tires are not all the same size and brand, the rear differential will be heavily loaded when the vehicle is driven, resulting in an abnormally high oil temperature. . The rear differential oil will deteriorate if its temperature increases enough for the rear differential oil temperature warning light to illuminate. It is advisable to have the rear differential oil replaced as soon as possible. & AT OIL TEMP warning light (AT vehicles) The AT oil temperature warning light "AT OIL TEMP" illuminates when the ignition switch is turned to the "ON" position and turns off after the engine has started. If this light illuminates when the engine is running, it may indicate that the automatic transmission fluid temperature is too hot. If the light illuminates while driving, immediately stop the vehicle in a safe place and let the engine idle until the warning light turns off. ! Automatic transmission control system warning If the "AT OIL TEMP" warning light flashes after the engine starts, it may indicate that the automatic transmission control system Reduce vehicle speed and park the vehicle in a safe place as soon as possible if the R.DIFF TEMP light illuminates. Continued driving with this light on can damage the rear differential and other parts of the powertrain. The Rear differential oil temperature warning light illuminates when the ignition switch is turned to the "ON" position and turns off after the engine has started. If this light illuminates when the engine is running, it may indicate that the rear differential oil temperature is too hot. At this time, the driver's control center differential will automatically cancel the current torque-distribution ratio setting and adopt its minimum ratio. If the light illuminates while driving, reduce vehicle speed and stop the vehicle at the nearest safe place. & Low tire pressure warning light (U.S.-spec. models) When the ignition switch is turned to the "ON" position, the low tire pressure warning light will illuminate for approximately 2 seconds to check that the tire pressure monitoring system (TPMS) is functioning properly. If there is no problem and all tires are properly inflated, the light will go out. Each tire, including the spare (if provided), should be checked monthly when cold