Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Overview
Redesigned from the ground up, the 2010 Buick LaCrosse luxury sedan makes its
world debut at the 2009 North American International Auto Show in Detroit on
Jan. 12, 2009. The Buick LaCrosse offers ...
StabiliTrak® System
Your vehicle is equipped with StabiliTrak®,
Electronic Stability Control (ESC) which combines
antilock brake, traction and stability control
systems and helps the driver maintain directional
cont ...
Checking the Fluid Level
Prepare your vehicle as follows:
1. Park your vehicle on a level place. Keep the
engine running.
2. With the parking brake applied, place the shift
lever in PARK (P).
3. With your foot on the b ...