Horn
Press 
on the steering wheel
pad to sound the horn.
See also:
Return to Factory Settings
Select Return to Factory Settings to
return all of the vehicle
personalization to the default
settings. Turn the Menu knob to
select Yes or No. Press SELECT to
confirm and go back to the
l ...
Cruise Control
The cruise control lets the vehicle maintain a speed of about 40 km/h (25 mph)
or more without keeping your foot on the accelerator. Cruise control does not work
at speeds below 40 km/h (25 mph).
...
System stays in background
While I only got to drive the 2012 LaCrosse for a little over an hour, I was
impressed at how utterly unimpressive the eAssist was.
Everything works in the background. There's no electric motor wh ...