GMC 2011 Sierra Owner's Manual page 368

When the brakes are applied, cruise
control is turned off.
For vehicles with an Allison or
Hydra Matic 6 speed automatic
transmission, see Grade Braking
and Cruise Grade Braking
(Allison Transmission) under
for an explanation of how cruise
control interacts with the Range
Selection Mode, tow/haul and
grade braking systems.
For vehicles with the StabiliTrak
system that begins to limit wheel
spin while you are using cruise
control, the cruise control will
automatically disengage. See
When road conditions allow the
cruise control to be safely used
again, it can be turned back on.
The cruise control buttons are
located on the left side of the
steering wheel.
Press to turn the
system on or off. The indicator light
.
is on when cruise control is on and
turns off when cruise control is off.
Press briefly to resume to a
previously set speed, or press
and hold to accelerate.
the speed and activate cruise
control or make the vehicle
decelerate.
cruise control without erasing the
set speed from memory.
If the cruise button is on when not in
use, it could get bumped and go into
cruise when not desired. Keep the
cruise control switch off when cruise
is not being used.
The cruise control light on the
instrument panel cluster will come
on after the cruise control has been
set to the desired speed.
1. Press
2. Get up to the desired speed.
3. Press the SET button located
on the steering wheel and
release it.
4. Take your foot off the
accelerator.
Press to set
Press to disengage
.