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:

    When the Change Engine Oil Soon Message Displays
    Change engine oil and filter. See Engine Oil . An Emission Control Service. When the CHANGE ENGINE OIL SOON message displays, service is required for the vehicle as soon as possible, within the next ...

    Engine Oil
    To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: • Always use ...

    Warning Lights, Gages, andIndicators
    This part describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. Warning lights and gages can signal that something is wrong before it become ...