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 serious injury or death. Warning or Caution indicates a hazard that could result in injury or death.
WARNING
These mean there is something that could hurt you or other people.
Notice: This means there is something that could result in property or vehicle
damage. This would not be covered by the vehicle's warranty.

A circle with a slash through it is a safety symbol which means “Do Not,” “Do not do this,” or “Do not let this happen.”
See also:
Menu System
Controls
The Menu knob, SELECT button,
and BACK button are used to
navigate the menu system.
Menu Knob:
Turn to:
• Enter the menu system.
• Highlight a menu option.
• Select a value.
...
Error Messages
If Disc Read Error displays and/or
the disc comes out, it could be for
one of the following reasons:
• The disc has an invalid or
unknown format.
• The disc is not from a correct
region. ...
Service Bulletins
Service Bulletins give additional
technical service information
needed to knowledgeably service
General Motors cars and trucks.
Each bulletin contains instructions
to assist in the diagnosis ...
