Buick LaCrosse
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Buick LaCrosse

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Anti-theft Alarm System
This vehicle has an anti-theft alarm system.
Arming the System
To arm the system, close all of the windows and doors and then either:
► Press on the RKE transmitter.
► Lock the vehicl ...
Horn
Press near the horn symbols or press on the steering wheel pad to sound the horn. ...
Headlamp High/Low-Beam Changer
To change the headlamps from low to high
beam, push the lever toward the instrument panel.
To return to low-beam headlamps, pull the
multifunction lever toward you. Then release it.
When the h ...
