First Engine Oil Change After Every 240 000 km/150,000 Miles

• Engine cooling system drain, flush, and refill, cooling system and cap pressure check, and cleaning of outside of radiator and air conditioning condenser (or every 5 years, whichever occurs first). See Engine Coolant (4.6L Engine) or Engine Coolant (3.9L Engine). An Emission Control Service.

• Engine accessory drive belt inspection for fraying, excessive cracks, or obvious damage and replacement, if needed. An Emission Control Service.

    See also:

    OnStar®
    If the vehicle has OnStar and you subscribe to the OnStar services, please refer to the OnStar Terms and Conditions for information on data collection and use. ...

    Storing Name Tags
    The system can store up to thirty phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers ...

    Washing Your Vehicle
    The paint finish on the vehicle provides beauty, depth of color, gloss retention, and durability. The best way to preserve the vehicle’s finish is to keep it clean by washing it often with luke ...