Setting Cruise Control
1. Move the cruise control switch to on.
2. Get up to the speed you want.
3. Press the set button at the end of the lever
and release it.
4. Take your foot off the accelerator pedal.
The accelerator pedal will not go down.

Some vehicles have a cruise light on the instrument panel cluster that will come on when the cruise control is engaged.
See also:
2010 Buick LaCrosse Review
The 2010 Buick LaCrosse sedan made its debut a year ago, and it's been a huge
hit. Kelsey Mays reviewed the whole LaCrosse lineup last year, including CX and
CXL trims with the 3.0-liter V-6, and ...
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a defect which
could cause a crash or could cause injury or
death, you should immediately inform the National
Highway Traffic Safety Administration (NHTSA)
...
How the System Works
When the vehicle is started, both outside mirror displays
will briefly come on to indicate that the system is
operating. While driving forward, the left or right side
mirror SBZA display will ...
