To reset the 2000 Pontiac Montana change oil light, please follow these instructions:
1. Turn the ignition to run (one position before starting engine). 2. Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. If the CHANGE OIL SOON indicator flashes 2 times, the system is reset. 3. Turn the ignition off and then start the engine to verify the indicator has been reset.