How do you reset maintenance light, reset service light indicator Chevrolet Cobalt 2004-2010. 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 Cobalt, oil reset instructions:

2005-2010

Turn the ignition to run (one position before starting engine).
Press the INFORMATION and RESET buttons on the DIC at the same time to enter the personalization menu.
Press the INFORMATION button to scroll through the menu until OIL LIFE RESET is displayed.
Press and hold the RESET button until the DIC display shows ACKNOWLEDGED. This will tell you the system has been reset.
Turn the ignition off and then start the engine to verify the indicator has been reset.