Warranty

OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.

    See also:

    Shifting from Two-Wheel Drive High to Four-Wheel Drive High
    • Shifts between Two-Wheel Drive High and Four-Wheel Drive High can be made at any vehicle speed. • Shift the transfer case lever in one continuous motion into either the Four-Wheel Drive High or ...

    Fuel
    For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...

    Warning Lights, Gauges, and Indicators
    Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges could p ...