Buick Regal 2011 Owner's Manual page 242

9-42 Driving and Operating
To increase vehicle speed in
small amounts, move the
thumbwheel up toward RES/+
briefly and then release it. Each
time this is done, the vehicle
goes about 1.6 km/h (1 mph)
faster.
Reducing Speed While Using
Cruise Control
If the cruise control system is
already activated:
Move the thumbwheel toward
SET/ and hold until the desired
lower speed is reached, then
release it.
To slow down in small amounts,
move the thumbwheel toward
SET/ briefly. Each time this is
done, the vehicle goes about
1.6 km/h (1 mph) slower.
Passing Another Vehicle While
Using Cruise Control
Use the accelerator pedal to
increase the vehicle speed. When
you take your foot off the pedal, the
vehicle will slow down to the
previous set cruise control speed.
Using Cruise Control on Hills
How well the cruise control works
on hills depends upon the vehicle
speed, load, and the steepness of
the hills. When going up steep hills,
you might have to step on the
accelerator pedal to maintain the
vehicle speed. When going
downhill, you might have to brake or
shift to a lower gear to maintain the
vehicle speed. When the brakes are
applied, the cruise control is
disengaged.
Ending Cruise Control
There are three ways to end cruise
control:
Step lightly on the brake pedal
or clutch to disengage cruise
control.
Press on the steering wheel.
1
Press on the steering wheel
to turn off the cruise control.
Erasing Speed Memory
The cruise control set speed is
erased from memory by pressing
1
the button or if the ignition is
turned off.