Arming the System
Buick LaCrosse / Buick LaCrosse Owners Manual / Keys, Doors, and Windows / Vehicle Security / Anti-theft Alarm System / Arming the System
To arm the system, press 
on the
RKE transmitter.
The alarm automatically arms after about 30 seconds. The security light, located on the instrument panel, flashes.
Press 
on the RKE transmitter to
open the trunk without setting off the
alarm. The system rearms when the
trunk is closed.
See also:
SERVICE BATTERY CHARGING SYSTEM
This message is displayed when
there is a fault in the battery
charging system. Take the vehicle to
your dealer for service. ...
Capacities and Specifications
Engine Specifications
...
Power Door Locks
On vehicles with power door locks, the switches are
located on the front doors.
(Unlock): Press to unlock the
doors.
(Lock): Remove the key from the
ignition and press
to lock the doors. ...