GMC 2016 Yukon XL Denali Owner's Manual page 226

Warning (Continued)
Visibility is low, such as in
fog, rain, or snow
conditions. ACC
performance is limited under
these conditions.
On slippery roads where
fast changes in tire traction
can cause excessive
wheel slip.
(On/Off) : Press to turn the
system on or off. The indicator turns
white on the instrument cluster
when ACC is turned on.
+RES (Resume/Accelerate) :
Press briefly to resume the previous
set speed or hold to accelerate.
If ACC is already active, use to
increase vehicle speed.
SET (Set/Coast) : Press briefly to
set the speed and activate ACC.
If cruise control is already active,
use to decrease vehicle speed.
(Cancel) : Press to disengage
ACC without erasing the selected
set speed.
(Follow Distance Gap) : Press
to select a following gap time (or
distance) setting for ACC of Far,
Medium, or Near.
Setting Adaptive Cruise Control
If the cruise button is on when not in
use, the cruise on/off control could
get pressed and cruise control could
become active when not desired.
Keep the cruise control off when
cruise is not being used.
Driving and Operating
Select the set speed desired for
cruise. This is the vehicle speed
when no vehicle is detected in
its path.
ACC will not set or resume at a
speed less than 25 km/h (16 mph).
To set ACC:
1. Press .
2. Get up to the desired speed.
3. Press and release SET .
4. Remove foot from the
accelerator.
After ACC is set, it may immediately
apply the brakes if a vehicle ahead
is detected closer than the selected
following gap.
The ACC indicator displays on the
Driver Information Center (DIC) in
the instrument cluster and Head-Up
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