2012 GMC Acadia Owner's Manual - Page 28

1-22 In Brief 3. If the vehicle has Driver Information Center (DIC) buttons: Press and hold the set/ reset button until "100%" is displayed. Three chimes sound and the CHANGE ENGINE OIL SOON message goes off. If the vehicle does not have Driver Information Center (DIC) buttons: 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. 4. Turn the key to LOCK/OFF. See Engine Oil Life System on page 10‑10. . Engine Oil Life System The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change. Resetting the Oil Life System 1. Turn the ignition to ON/RUN, with the engine off. 2. If the vehicle has Driver Information Center (DIC) buttons: Press the vehicle information button until OIL LIFE REMAINING displays. If the vehicle does not have Driver Information Center (DIC) buttons: The vehicle must be in P (Park) to access this display. Press the trip odometer reset stem until OIL LIFE REMAINING displays. Avoid fast starts and accelerate smoothly. Brake gradually and avoid abrupt stops. Avoid idling the engine for long periods of time. When road and weather conditions are appropriate, use cruise control. Always follow posted speed limits or drive more slowly when conditions require. Keep vehicle tires properly inflated. Combine several trips into a single trip. Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size. Follow recommended scheduled maintenance. . . . . . . . Driving for Better Fuel Economy Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. .