GMC 2016 Yukon XL Denali Owner's Manual page 227

226 Driving and Operating
display (HUD), if equipped. When
ACC is active, the indicator turns
green.
Be mindful of speed limits,
surrounding traffic speeds, and
weather conditions when selecting
the set speed.
Resuming a Set Speed
If the ACC is set at a desired speed
and then the brakes are applied,
ACC is disengaged without erasing
the set speed from memory.
To begin using ACC again, press
+RES on the steering wheel. The
vehicle returns to the previous set
speed.
Increasing Speed While ACC is at
a Set Speed
If ACC is already activated, do one
of the following:
Use the accelerator to get to the
higher speed. Press SET .
Release the control and the
accelerator pedal. The vehicle
will now cruise at the higher
speed.
When the accelerator pedal is
pressed, ACC will not brake
because it is overridden.
A warning message will appear
on the Driver Information Center
(DIC) and HUD, if equipped. See
Cruise Control Messages 0 144.
Press and hold +RES until the
desired set speed appears on
the display, then release it.
To increase vehicle speed in
small increments, briefly press
+RES. For each press, the
vehicle goes to the next 1 km/h
(1 mph) faster mark on the
speedometer.
When it is determined that there is
no vehicle ahead or the vehicle
ahead is beyond the selected
following gap, then the vehicle
speed will increase to the set speed.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0 120.
The increment value used depends
on the units displayed.
Reducing Speed While ACC is at a
Set Speed
If ACC is already activated, do one
of the following:
Use the brake to get to the
desired lower speed. Press
SET and release the
accelerator pedal. The vehicle
will now cruise at the lower
speed.
Press and hold SET until the
desired lower speed is reached,
then release it.
To decrease the vehicle speed in
small increments, briefly press
SET . For each press, the
vehicle speed goes to the next
1 km/h (1 mph) slower mark on
the speedometer.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0 120.
The increment value used depends
on the units displayed.