Buick 2007 LaCrosse Owner's Manual page 156

Setting Cruise Control
Cruise control will not work if the parking brake is
set, or if the master cylinder brake fluid level is low.
The cruise control light on the instrument panel
cluster will come on after the cruise control
has been set to the desired speed. See Instrument
Panel Cluster on page 180.
CAUTION:
{
If you leave your cruise control on when
you are not using cruise, you might hit a
button and go into cruise when you do not
want to. You could be startled and even
lose control. Keep the cruise control switch
off until you want to use cruise control.
1. Press the cruise control on/off button.
2. Get up to the speed you want.
3. Press and release the SET– button located on
the steering wheel.
4. Take your foot off the accelerator.
156
Resuming a Set Speed
Suppose you set the cruise control at a desired
speed and then you apply the brake. This shuts
off the cruise control, but it does not need to
be reset.
Once you are driving about 25 mph (40 km/h) or
more, press the +RES button on the steering
wheel. The vehicle will go back to your chosen
speed and stay there.
Increasing Speed While Using Cruise
Control
To increase the cruise speed while using
cruise control:
•
Press and hold the +RES button on the
steering wheel until you reach your new
desired speed, then release it.
•
To increase vehicle speed in small increments,
press the +RES button.