OnStar Services
See also:
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when ...
CD Messages
If the CD comes out, it could be for one of the
following reasons:
• It is very hot. When the temperature returns to
normal, the CD should play.
• You are driving on a very rough road.
Wh ...
Reading Lamps
The reading lamps are located in the headliner.
(Reading Lamps): Press the button
near each lamp to turn it on or off. ...
