GMC Cadillac XT4 2019 Owner's Manual page 207

206 DRIVING AND OPERATING
ACC Indicator Regular Cruise
Control Indicator
When ACC is engaged, a green
indicator will be lit on the instrument
cluster and the following gap will be
displayed. When the regular cruise
control is engaged, a green
indicator will be lit on the instrument
cluster; the following gap will not
display.
When the vehicle is turned on, the
cruise control mode will be set to the
last mode used before the vehicle was
turned off.
Warning
Always check the cruise control
indicator on the instrument cluster
to determine which mode cruise
Warning (Continued)
control is in before using the
feature. If ACC is not active, the
vehicle will not automatically brake
for other vehicles, which could
cause a crash if the brakes are not
applied manually. You and others
could be seriously injured or killed.
Setting Adaptive Cruise Control
If is on when not in use, it could
get pressed and go into cruise when
not desired. Keep off when cruise
is not being used.
Select the set speed desired for cruise.
This is the vehicle speed when no
vehicle is detected in its path.
ACC will not set at a speed less than
25 km/h (16 mph), although it can be
resumed when driving at lower
speeds.
To set ACC while moving:
1. Press .
2. Get up to the desired speed.
3. Move the thumbwheel down
toward SET .
4. Remove your 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.
ACC can also be set while the vehicle
is stopped if ACC is on and the brake
pedal is applied.
The ACC indicator displays on the
instrument cluster and Head-Up
Display (HUD), if equipped. When ACC
is turned on, the indicator will be lit
white. When ACC is engaged, the
indicator will turn green.
Be mindful of speed limits,
surrounding traffic speeds, and
weather conditions when selecting the
set speed.