CD Messages
CHECK DISC: If this message appears on the display
and/or 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. When the
road becomes smoother, the CD should play.
• The CD is dirty, scratched, wet, or upside down.
• The air is very humid. If so, wait about an hour and
try again.
• The format of the CD may not be compatible. See
“MP3 Format” earlier in this section.
• There may have been a problem while burning
the CD.
• The label may be caught in the CD player.
If the CD is not playing correctly, for any other reason,
try a known good CD.
If any error occurs repeatedly or if an error cannot be
corrected, contact your GM dealer. If the radio displays
an error message, write it down and provide it to
your GM dealer when reporting the problem.
Theft-Deterrent Feature
THEFTLOCK
®
is designed to discourage theft of
your vehicle’s radio. The feature works automatically by
learning a portion of the Vehicle Identification Number
(VIN). If the radio is moved to a different vehicle, it
will not operate and LOCK or LOCKED will appear on
the display.
With THEFTLOCK
®
activated, the radio will not operate
if stolen.
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