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:
Conference Calling
Conference calling and three-way calling must be supported on the Bluetooth phone
and enabled by the wireless service carrier to work.
To start a conference while in a current call:
1. Turn or pre ...
Capacities and Specifications
Engine Specifications
...
Weight Distributing Hitches and WeightCarrying Hitches
When using a weight-distributing hitch, the hitch
must be adjusted so the distance (A) remains
the same both before and after coupling the trailer
to the tow vehicle.
If you use a step-bumper hi ...