Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Heated Steering Wheel
For vehicles with a heated steering wheel, the button for
this feature is located on the steering wheel.
: Press to turn the heated
steering wheel on or off.
A light on the button displays when ...
Adjusting the Fader and Balance
1. Press the TONE button.
2. Select Fader or Balance.
3. Select the value.
Press the BACK button to go
back to the Tone Settings menu. ...
Cruising, Turning & Stopping
Ride comfort is still king at Buick, and it's a formula GM shouldn't change.
The LaCrosse leaves manhole covers and steel plates behind with the sort of
measured wump that you'll notice but won't ...