Setting the Month and Day Format
1. Press the CONFIG button and
select Time and Date Settings,
or press 
.
2. Highlight Set Date Format.
3. Press SELECT to select MM/DD/YY (month/day/year) or DD/MM/YY (day/month/year).
See also:
New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines:
► Do not drive at any one constant speed, fast or slow, for t ...
Setting the Clock
To set the time and date for the radio with CD (MP3):
1. Turn the ignition key to ACC/ACCESSORY or
ON/RUN.
2. Press to turn the radio on.
3. Press and the HR, MIN, MM, DD,
YYYY (hour,
minut ...
Warranty
OnStar equipment may be
warranted as part of the new-vehicle
limited warranty. The manufacturer
of the vehicle furnishes detailed
warranty information. ...