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:
Low Fuel Warning Light
The light next to the fuel gage will come on briefly
when you are starting the engine.
This light comes on when the fuel tank is low on
fuel. To turn it off, add fuel to the fuel tank. ...
Danger, Warnings, and Cautions
Warning messages found on vehicle labels and in this manual describe hazards
and what to do to avoid or reduce them. Danger indicates a hazard with a high level
of risk which will result in seriou ...
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 ...