GMC 2018 Acadia Denali Owner's Manual page 227

226 Driving and Operating
Warning (Continued)
a vehicle ahead. Keep the
entire front of the vehicle
clean.
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.
: Press to turn the system on or
off. The indicator turns white on the
instrument cluster when ACC is
turned on.
RES+ : Press briefly to resume the
previous set speed or to increase
vehicle speed if ACC is already
activated. To increase speed by
1 km/h (1 mph), press RES+ to the
first detent. To increase speed to the
next 5 km/h (5 mph) mark on the
speedometer, press RES+ to the
second detent.
SET : Press briefly to set the
speed and activate ACC or to
decrease vehicle speed if ACC is
already activated. To decrease
speed by 1 km/h (1 mph), press SET
to the first detent. To decrease
speed to the next 5 km/h (5 mph)
mark on the speedometer, press
SET to the second detent.
: Press to disengage ACC
without erasing the selected set
speed.
: Press to select a following gap
time (or distance) setting for ACC of
Far, Medium, or Near.
Switching Between ACC and
Regular Cruise Control
To switch between ACC and regular
cruise control, press and hold
A Driver Information Display (DIC)
message displays.
ACC Indicator Regular Cruise
Control Indicator
When ACC is engaged, a green
indicator will be lit on the instrument
cluster. When the regular cruise
control is engaged, a green
indicator will be lit on the instrument
cluster.
When the vehicle is turned on, the
cruise control mode will be set to
the last mode used before the
vehicle was turned off.
.