GMC HUMMER EV 2022 Owner's Manual page 208

Warning
ACC will not detect or brake for children,
pedestrians, animals, or other objects.
Do not use ACC when:
On winding and hilly roads or when
the sensors are blocked by snow, ice,
or dirt. The system may not detect a
vehicle ahead. Keep the entire front of
the vehicle clean.
Visibility is poor due to rain, snow,
fog, dirt, insect residue, or dust; when
other foreign objects obscure the
camera and/or radar; or when the
vehicle in front or oncoming traffic
causes additional environmental
obstructions, such as road spray. 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
about 1 km/h (1 mph), press RES+ briefly. To
increase speed to the next 5 km/h (5 mph)
mark on the speedometer, hold RES+.
SET : Press briefly to set the speed and
activate ACC or to decrease vehicle speed if
ACC is already activated. To decrease speed
by about 1 km/h (1 mph), press SET briefly.
To decrease speed to the next 5 km/h
(5 mph) mark on the speedometer,
hold SET .
Driving and Operating
: Press to disengage ACC without erasing
the selected set speed.
: Press to select a following gap setting
for ACC of Far, Medium, or Near.
The speedometer reading can be displayed
in either English or metric units. See
Instrument Cluster 0 93. The increment
value used depends on the units displayed.
Switching Between ACC and Regular Cruise
Control
To switch between ACC and regular cruise
control, press and hold . A Driver
Information Center (DIC) message displays.
See Vehicle Messages 0 116.
ACC Indicator Regular Cruise Control
Indicator
When ACC is activated, a green
will be lit on the instrument cluster and the
following gap will be displayed. When the
207
indicator