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:
Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of occupants and cargo should never
exceed XXX kg or XXX lbs” on your vehicle's placard.
2. Determine the combined weight of the driver and pass ...
Recommended Fluids and Lubricants
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Transmission Messages
ALL WHEEL DRIVE OFF
If your vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a compact spare tire on the vehicle, when the Antilock Brake System (ABS) warning light c ...