Cadillac CT4 2023 Owner's Manual page 238

To begin using ACC again, press RES+ up
briefly while moving more than 5 kph
(3 mph). The vehicle returns to the previous
set speed.
If the vehicle is stopped with the brake
pedal applied, press RES+ and release the
brake pedal. ACC will hold the vehicle until
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.
Once ACC has resumed, if there is no vehicle
ahead, if the vehicle ahead is beyond the
selected following gap, or if the vehicle has
exited a sharp curve, then the vehicle speed
will increase to the set speed.
Increasing Speed While ACC Is at a Set Speed
If ACC is already activated, do one of the
following:
Use the accelerator to get to the higher
speed. Press SET . Release the control
and the accelerator pedal. The vehicle will
now cruise at the higher speed.
When the accelerator pedal is pressed,
ACC will not brake because it is
overridden. The ACC indicator will turn
blue on the instrument panel and heads
up display, if equipped
Press and hold RES+ until the desired set
speed is displayed, then release it.
To increase speed in smaller increments,
press RES+ to the first detent. For each
press, the vehicle goes 1 km/h (1 mph)
faster.
To increase speed in larger increments,
press RES+ to the second detent. For each
press, the vehicle speed increases to the
next 5 km/h (5 mph) mark on the
speedometer.
The set speed can also be increased while
the vehicle is stopped.
If stopped with the brake applied, press
RES+ until the desired set speed is
displayed.
If ACC is holding the vehicle at a stop and
there is another vehicle directly ahead,
pressing RES+ will increase the set speed.
Pressing RES+ when there is no longer a
vehicle ahead or the vehicle ahead is
pulling away and the brake is not applied
will cause the ACC to resume.
Driving and Operating
When it is determined there is no vehicle
ahead or the vehicle ahead is beyond the
selected following gap, then the vehicle
speed will increase to the set speed.
The speedometer reading can be displayed
in either English or metric units. See
Instrument Cluster (Uplevel) 0 85 or
Instrument Cluster (Base Level) 0 82. The
increment value used depends on the units
displayed.
Reducing Speed While ACC Is at a Set Speed
If ACC is already activated, do one of the
following:
Use the brake to get to the desired lower
speed. Release the brake and press SET .
The vehicle will now cruise at the lower
speed.
Press and hold SET until the desired
lower speed is displayed, then release it.
To decrease speed in smaller increments,
press SET to the first detent. For each
press, the vehicle goes about 1 km/h
(1 mph) slower.
To decrease speed in larger increments,
press or hold SET to the second detent.
For each press, the vehicle speed
decreases to the next 5 km/h (5 mph)
mark on the speedometer.
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