Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle diagnostic. If the light appears clear (no light is
appearing), your OnStar subscription has expired and
all services have been deactivated. Press
to confirm
that the OnStar equipment is active.
See also:
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1
L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right
Engine Oil” in this section ...
RDS (Radio Data System)
The radio may have RDS. The RDS
feature is available for use only on
FM stations that broadcast RDS
information. This feature only works
when the information from the radio
station is availa ...
CD Messages
CHECK CD: If this message appears on the
display and/or the CD ejects, it could be for one of
the following reasons:
• It is very hot. When the temperature returns to
normal, the CD should pla ...