Setting the 12/24 Hour Format
Buick LaCrosse / Buick LaCrosse Owners Manual / Instruments and Controls / Controls / Clock (Radio with CD and Touchscreen) / 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:
Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.
...
Ending a Call
Press to end a call. ...
Maintenance When Trailer Towing
Your vehicle will need service more often when
you’re pulling a trailer. See the Maintenance
Schedule for more on this. Things that are
especially important in trailer operation are
automatic tr ...