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:
Belts
• Belts may need replacing if they squeak or show signs of cracking or splitting.
• Trained dealer technicians can inspect the belts and recommend replacement when necessary. ...
Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel spin. On a
front-wheel-drive vehicle, the system operates if it senses that one or both of
the front wheels are spinning or beginn ...
Ride & Handling
Whenever I approach a vehicle this large I bring along the expectation that
it will be hard to maneuver. In the Yukon I was surprisingly sure of myself,
even on the tightest city streets. Not only ...