Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Distracted Driving
Distraction comes in many forms and can take your focus from the task of
driving. Exercise good judgment and do not let other activities divert your
attention away from the road. Many local governme ...
Owner Information
Owner publications are written
specifically for owners and intended
to provide basic operational
information about the vehicle.
The Owner Manual includes the
Maintenance Schedule for all
mo ...
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 ...