GMC LYRIQ 2023 Owner's Manual page 227

226 Driving and Operating
Warning (Continued)
Do not use ACC when:
On winding and hilly roads
or when the camera
sensor is blocked by snow,
ice, or dirt. The system
may not detect a vehicle
ahead. Keep the
windshield and headlamps
clean.
When visibility is poor due
to rain, snow, fog, dirt,
insect residue, or dust;
when other foreign
objects obscure the
camera s view; or when
the vehicle in front or
oncoming traffic causes
additional environmental
obstructions, such as road
spray. ACC performance is
limited under these
conditions.
(Continued)
Warning (Continued)
On slippery roads where
fast changes in tire
traction can cause
excessive wheel slip
With extremely heavy
cargo loaded in the cargo
area or rear seat
When towing a trailer
: 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+ 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 about
1 km/h (1 mph), press SET 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 setting for ACC
of Far, Medium, or Near.