C T S
Warnings and Messages
If a problem is sensed in one of your
vehicle’s systems, a warning or
message will appear on the DIC
display.
Check Engine or other Warning
Lights with OnStar
®
(if equipped)
If your check engine light or any
other warning message appears, you
can press the blue OnStar button and
speak to a live advisor. OnStar
Advisors can access certain
diagnostic information and can tell
you how serious the problem is,
what you should do about it, or can
contact a dealer or Roadside service
for you. Refer to the OnStar Owner
Guide for details.
NAVIGATION SYSTEM
CONTROLS
If your CTS has the optional
Navigation/Audio system, use the
following controls to access the
vehicle status menu.
1. TUNE/SELECT: Turn the lower right
knob to scroll through the menu.
Press the knob to select a menu
item.
2. Press the bulleted button (
•
) on
the right side of the display to
select a menu item or to
acknowledge a prompt.
See your Navigation manual for
additional operating instructions.
Note: Your vehicle’s warnings and messages
provide critical information that can prevent
damage to your vehicle. Review your Owner
Manual to become familiar with the
information displayed and the action
required.
70520_08a_CTS_QRG_062207.qxp:CTS 2007 A 6/22/07 4:16 PM Page 6
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