OnStar Overview
EmergencyWheel Alignment and Tire Balance
The tires and wheels were aligned and balanced at the factory to provide the
longest tire life and best overall performance. Adjustments to wheel alignment and
tire balancing are not necessary on a regular basis. Consider an alignment check
if there is unusual tire wear or the vehicle is signi ...
Door Locks
Warning
Unlocked doors can be dangerous.
Passengers, especially children, can easily open the doors
and fall out of a moving vehicle. When a door is locked, the handle will not
open it. The chance of being thrown out of the vehicle in a crash is increased
if the doors are not locked. S ...
Traction Control/Electronic Stability Control
The TCS limits wheel spin. The system is on when the vehicle is started.
The StabiliTrak system assists with directional control of the vehicle in difficult
driving conditions. The system is on when the vehicle is started.
To turn off traction control, press and release the TCS/StabiliTrak bu ...