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.

    See also:

    Rear Windows
    Power Sliding Rear Window On vehicles with a power sliding rear window, the switch is located in the overhead console. The power sliding rear window works when the ignition has been turned to ACC/ ...

    Tire and Loading Information Label
    Label Example A vehicle specific Tire and Loading Information label is attached to the vehicle's center pillar (B-pillar). With the driver's door open, you will find the label attached ...

    Consistency of Readings
    Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsiste ...