How do you reset maintenance light, reset service light indicator GMC Envoy. For reset maintenance light and that can be made manually by use button on car dash board.

Reset service light indicator, engine oil life GMC Envoy, oil reset instructions:

year 2004-2009

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.
3. If the Change Oil Soon light flashes the system is resetting.
4. Turn the ignition off and then start the engine to verify the indicator has been reset.