
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
Driving and Operating
307
When ACC is engaged, a
green
o
indicator will be lit on
the instrument cluster. When
the regular cruise control is
engaged, a green
J
indicator
will be lit on the instrument
cluster and 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 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
o
is on when not in use,
SET-/RES+ could be pressed
by mistake and activate ACC
when not desired. Keep
o
off
when cruise is not being used.
Select the set speed desired
for ACC. This is the vehicle
speed when no vehicle is
detected in its path.
While the vehicle is moving,
ACC will not set at a speed
below a minimum speed,
although it can be resumed.
If equipped with Super Cruise,
this minimum speed is 5 km/h
(3 mph), otherwise, it is
25 km/h (15 mph). The minimum
allowable set speed is 25 km/h
(15 mph).
To set ACC while moving:
1. Press
J
.
2. Get up to the desired
speed.
3. Press and release 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 ACC is set at a desired
speed and then the brakes are
applied, ACC is disengaged
without erasing the set speed
from memory.