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Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 4/10/19
198 DRIVING AND OPERATING
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
J is on when not in use, it could
get pressed and go into cruise when
not desired. Keep
J 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
J.
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.
Resuming a Set Speed
If the ACC is set at a desired speed
and then the brakes are applied, ACC
is disengaged without erasing the set
speed from memor y.
To begin using ACC again, move the
thumbwheel up toward RES+ briefly.
The vehicle returns to the previous set
speed.
.
If the vehicle is moving, it returns
to the previous set speed.
.
If the vehicle is stopped with the
brake pedal applied, move the
thumbwheel up toward RES+ and
release the brake pedal. ACC will
hold the vehicle until the
thumbwheel is moved up toward
RES+ or the accelerator pedal is
pressed.
A green ACC indicator and the set
speed display on the instrument
cluster. The vehicle ahead indicator
may be flashing if a vehicle ahead was
present and moved. See “Approaching
and Following a Vehicle” later in this
section.
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