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:
Warranty
OnStar equipment may be
warranted as part of the new-vehicle
limited warranty. The manufacturer
of the vehicle furnishes detailed
warranty information. ...
Sending a Number During a Call
1. Press . The system responds
with “Ready”
followed by a tone.
2. Say “Dial”. The system responds with “Say a
number to send tones” followed by a tone.
3. Say the number to send.
...
Touch Screen Buttons
Touch screen buttons are on the screen and highlighted when a feature is available.
Some screen buttons highlight when active and gray out when inactive. ...