Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
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 b ...
Radio Messages for XM™ Only
See XM Radio Messages later in this
section for further detail. ...
Driving on Wet Roads
Rain and wet roads can reduce vehicle traction and affect your ability to stop
and accelerate. Always drive slower in these types of driving conditions and avoid
driving through large puddles and ...