First Engine Oil Change After Every 160 000 km/100,000 Miles

• Automatic transmission fluid change (normal service). See Automatic Transmission Fluid .

• Spark plug replacement. An Emission Control Service.

    See also:

    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 ...

    Security
    OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

    Services Not Included in Roadside Assistance
    • Impound towing caused by violation of any laws. • Legal fines. • Mounting, dismounting or changing of snow tires, chains, or other traction devices. • Towing or services for vehicles dr ...