Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time and Date Settings,
or press 
.
2. Highlight Set Time Format.
3. Press SELECT to select the 12 hour or 24 hour display format.
See also:
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Sa ...
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 ...
Services Not Included in
Roadside Assistance
• Impound towing caused by
violation of any laws.
• Legal fines.
• Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
• Towing or services for vehicl ...