OnStar
Buick LaCrosse / Buick LaCrosse Owners Manual / OnStar
See also:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
English and Metric Unit
Conversion
To change the display units between
English and metric units, see Driver
Information Center (DIC) for more information. ...
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
• The ignition should turn to LOCK/OFF only
when the shift lever is in P (Park). ...
