See also:

Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps™ and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be downlo ...

StabiliTrak® OFF Light
This light comes on when the StabiliTrak system is turned off. If the Traction Control System (TCS) is off, wheel spin is not limited. If the StabiliTrak system is off, the system does not assis ...

When to Check Power Steering Fluid
The power steering fluid does not need to be checked unless there is a leak in the system or you hear an unusual noise. Have the system inspected and repaired if there is a fluid loss. ...