Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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    Rear Seat Pass-Through
    Your vehicle has a small door in the rear seat. This door allows you to access the trunk from inside the vehicle. The rear seat armrest must be down for the pass-through door to open. To release ...

    Ending Cruise Control
    There are three ways to turn off the cruise control: • Step lightly on the brake pedal. • Move the cruise switch to off, or • Shift the transmission to NEUTRAL (N). ...

    Cruise Control
    The cruise control lets the vehicle maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 mph). ...