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:
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be displayed.
Park Assist
This allows the Ultrasonic Parking Assist feature, audible only, to be turned
on or off.
...
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Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol) . For all other vehicles, use ...