2012 GMC Acadia Owner's Manual - Page 317

Vehicle Care and, at this time, the system must be reset. Your dealer has trained service people who will perform this work and reset the system. It is also important to check the oil regularly over the course of an oil drain interval and keep it at the proper level. If the system is ever reset accidentally, the oil must be changed at 5 000 km (3,000 mi) since the last oil change. Remember to reset the oil life system whenever the oil is changed. this display. Press the trip odometer reset stem until OIL LIFE REMAINING displays. 2. Press and hold the trip odometer reset stem until OIL LIFE REMAINING shows "100%." Three chimes sound and the CHANGE ENGINE OIL SOON message goes off. 3. Turn the key to LOCK/OFF. If the CHANGE ENGINE OIL SOON message comes back on when the vehicle is started, the engine oil life system has not been reset. Repeat the procedure. If the vehicle has Driver Information Center (DIC) buttons: 1. Turn the ignition to ON/RUN, with the engine off. 2. Press the vehicle information button until OIL LIFE REMAINING displays. 10-11 3. Press and hold the set/reset button until "100%" is displayed. Three chimes sound and the CHANGE ENGINE OIL SOON message goes off. 4. Turn the key to LOCK/OFF. If the CHANGE ENGINE OIL SOON message comes back on when the vehicle is started, the engine oil life system has not been reset. Repeat the procedure. How to Reset the Engine Oil Life System Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system: If the vehicle does not have Driver Information Center (DIC) buttons: 1. Turn the ignition to ON/RUN, with the engine off. The vehicle must be in P (Park) to access Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer and have it repaired as soon as possible.