How do you reset maintenance light, reset service light indicator Chevrolet GMC Trucks C-K Series Trucks. For reset maintenance light and that can be made manually by use button on car dash board.

Reset service light indicator, engine oil life Chevrolet GMC Trucks C-K Series Trucks, oil reset instructions:

1999-2000

Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. If the light flashes 2 times the system is reset. If the light comes on and stays on for 5 seconds the system did not reset.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2001-2007

Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds.
If the Change Oil Soon light flashes the system is resetting.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2008-2010

Turn the ignition to run (one position before starting engine).
Display the OIL LIFE REMAINING on the DIC (i button). If the vehicle does not have DIC buttons, the vehicle must be in P (Park) to access this display by pressing the trip odometer reset stem.
Press and hold the SET/RESET (arrow) button on the DIC, or the trip odometer reset stem if the vehicle does not have DIC buttons for more than 5 seconds. The oil life will change to 100%.
Turn the ignition off and then start the engine to verify the indicator has been reset.

or

Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds.
Display the OIL LIFE REMAINING on the DIC to verify it is at 100%.
Turn the ignition off and then start the engine to verify the indicator has been reset.