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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    Exterior Lamp Controls
    The exterior lamp control is located toward the end of the turn signal/lane change lever. (Exterior Lamp Control): Turn the band with this symbol on it to operate the exterior lamps. The e ...

    ACCESSORY MODE ACTIVE
    If the vehicle has the keyless access system, this message displays when the accessory mode is active. See Ignition Positions (Key Access) or Ignition Positions (Keyless Access) for more inf ...

    Rear Storage Area
    WARNING An improperly latched and closed cargo cover, or cargo cover left in the open position, could be thrown about the vehicle during a crash or sudden maneuver. Someone could be injured. Be s ...