Cadillac ATS Owner's Manual page 261

260 Driving and Operating
SET (Set/Coast) : Press the
control down briefly to set the speed
and activate ACC or to decrease
vehicle speed if ACC is already
activated. To decrease speed by
1 km/h (1 mph), press SET down to
the first detent. To decrease speed
to the next 5 km/h (5 mph) mark on
the speedometer, press SET down
to the second detent.
(Cancel) : Press to disengage
ACC without erasing the set speed
from memory.
(Follow Distance Gap) : Press
to select a following gap time (or
distance) setting for ACC of Far,
Medium, or Near.
Setting Adaptive Cruise Control
If cruise control is on when not in
use, the cruise on/off control could
get pressed and cruise control could
become active when not desired.
Keep the cruise control 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 slower than the set speed.
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:
J
1. Press .
2. Get up to the desired speed.
3. Press and release the SET
control on the steering wheel.
4. Remove 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.
The ACC indicator displays in the
instrument cluster and Head-Up
Display (HUD). When the ACC is
active, the indicator will be lit 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, the
ACC is disengaged without erasing
the set speed from memory.
To begin using ACC again, press
+RES up briefly on the steering
wheel. The vehicle returns to the
previous 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 down.
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.
A warning message will appear