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:
Fifth-Wheel and Gooseneck Trailering
Fifth-wheel and gooseneck trailers can be used with many pickup models. These trailers place a larger percentage of the weight (kingpin weight) on the tow vehicle than conventional trailers. Make sure ...
Horn
Pressa on the steering wheel pad
to sound the horn. ...
Engine Identification
The eighth character in the VIN is the engine code. This code identifies the
vehicle's engine, specifications, and replacement parts. See “Engine Specifications”
under Capacities and Speci ...