Cadillac 2016 XTS Owner's Manual page 211

210 Driving and Operating
(On/Off) : Press to turn the
system on or off. The indicator turns
white on the instrument cluster
when ACC is turned on.
+RES (Resume/Accelerate) :
Press the control up briefly to
resume the previous set speed or to
increase vehicle speed if ACC is
already activated. To increase
speed by 1 km/h (1 mph), press
+RES up to the first detent. To
increase speed to the next 5 km/h
(5 mph) mark on the speedometer,
press +RES up to the second
detent.
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 selected
set speed.
(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 the cruise button is on when not in
use, it could get pressed and go into
cruise when not desired. Keep the
cruise control button 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:
1. Press .
2. Get up to the desired speed.
3. Press and release SET .
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 on the
instrument cluster and Head-Up
Display (HUD). When ACC is active,
the indicator will be lit green.