2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 481

If the system is ever reset accidentally, the oil must be changed at 5 000 km (3,000 miles) since the last oil change. Remember to reset the oil life system whenever the oil is changed. On all vehicles, the Engine Oil Life System can be reset as follows: 1. Turn the ignition to ON/RUN with the engine off 2. Fully press the accelerator pedal slowly three times within five seconds. 3. Display the OIL LIFE REMAINING on the DIC. If the display shows 100%, the system is reset. See DIC Operation and Displays (With DIC Buttons) on page 4‑50 or DIC Operation and Displays (Without DIC Buttons) on page 4‑59. If the vehicle has a CHANGE ENGINE OIL SOON message and it comes back on when the vehicle is started and/or the OIL LIFE REMAINING is near 0%, the Engine Oil Life System has not reset. Repeat the procedure. How to Reset the Engine Oil Life System The Engine Oil Life System calculates when to change the engine oil and filter based on vehicle use. Whenever the oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where the oil is changed prior to a CHANGE ENGINE OIL SOON message coming on, reset the system. Always reset the engine oil life to 100% after every oil change. It will not reset itself. To reset the Engine Oil Life System on most vehicles: 1. Display the OIL LIFE REMAINING on the DIC. If the vehicle does not have DIC buttons, the vehicle must be in P (Park) to access this display. See DIC Operation and Displays (With DIC Buttons) on page 4‑50 or DIC Operation and Displays (Without DIC Buttons) on page 4‑59. 2. Press and hold the SET/RESET button on the DIC, or the trip odometer reset stem if the vehicle does not have DIC buttons, for more than five seconds. The oil life will change to 100%. What to Do with Used Oil Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly dispose of clothing or rags containing used engine oil. See the manufacturer's warnings about the use and disposal of oil products. 6-21