See also:

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 ...

Reducing Speed While Using Cruise Control
If the cruise control system is already activated: • Press and hold the SET– button on the steering wheel until the lower speed desired is reached, then release it. • To slow down in small amo ...

Safety Chains
Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from the h ...