Buick 2011 Lucerne Owner's Manual page 160

To adjust the steering wheel, push the control up, down,
forward or backward.
Do not adjust the steering wheel while driving.
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 the feature is
turned on.
The steering wheel takes about three minutes to start
heating.
4-4
For vehicles with a power
tilt control, it is located on
the left hand side of the
steering column.
The lever on the left side of the steering column
includes the following:
Turn and Lane-Change Signals
Headlamp High/Low-Beam Changer
Windshield Wipers
Windshield Washer
Flash-To-Pass Feature.
Information for these features is on the pages following.