To reset the 2001 Pontiac Montana van oil life, please follow these instructions:
1. Turn the ignition to run (one position before starting engine).
2. Repeatedly push the TRIP/RESET button until OIL is displayed on the DIC.
3. Push and hold the TRIP/RESET button for 5 seconds. The number will disappear and be replaced by 100 indicating 100 percent oil life remaining.
4. Turn the ignition off and then start the engine to verify the indicator has been reset.