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:
Service
For service and parts needs, visit your dealer/retailer.
You will receive genuine GM parts and GM-trained and
supported service people.
Genuine GM parts have one of these marks:
...
Door Locks
To lock or unlock the door, use the Remote Keyless Entry (RKE) transmitter or the key from outside the vehicle, and the door lock knob or switch from inside the vehicle.
To unlock or lock the fuel do ...
Hitches
Use the correct hitch equipment. See your dealer or a hitch dealer for assistance.
. The rear bumper on the vehicle is not intended for hitches. Do not attach rental
hitches or other bumper-type hi ...