See also:

Safety Chains
You should always attach chains between your vehicle and your trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes sep ...

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 o ...

Object Detection System Messages
PARK ASSIST OFF This message is displayed when the park assist system has been turned off. See Ultrasonic Parking Assist . SERVICE PARK ASSIST This message is displayed if there is a problem with ...