Cadillac 2015 ATS Owner's Manual page 210

Resuming a Set Speed
If the cruise control is set at a
desired speed and then the brakes
or is applied, the cruise control is
disengaged without erasing the set
speed from memory.
Once the vehicle speed reaches
about 40 km/h (25 mph) or more,
briefly press +RES up to the first
detent. The vehicle returns to the
previous set speed.
Increasing Speed While Cruise
Control is at a Set Speed
If the cruise control system is
already activated:
Press and hold +RES up until
the desired speed is reached,
then release it.
To increase vehicle speed in
small increments, briefly press
+RES up to the first detent. For
each press, the vehicle goes
about 1 km/h (1 mph) faster.
To increase vehicle speed in
larger increments, briefly press
+RES up to the second detent.
For each press, the vehicle
speed increases to the next
5 km/h (5 mph) mark on the
speedometer.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster on
page 5-9. The increment value used
depends on the units displayed.
Reducing Speed While Cruise
Control is at a Set Speed
If the cruise control system is
already activated:
Press and hold SET down until
the desired lower speed is
reached, then release it.
To decrease the vehicle speed in
small increments, briefly press
SET down to the first detent.
For each press, the vehicle goes
about 1 km/h (1 mph) slower.
Driving and Operating
To decrease the vehicle speed in
larger increments, briefly press
SET down to the second
detent. For each press, the
vehicle speed decreases to the
next 5 km/h (5 mph) mark on the
speedometer.
The cruise control system may
automatically brake to slow the
vehicle down.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster on
page 5-9. The increment value used
depends on the units displayed.
Overtaking Another Vehicle While
Using Cruise Control
Use the accelerator pedal to
increase the vehicle speed. When
you take your foot off the pedal, the
vehicle will slow down to the
previously set cruise speed. While
pressing the accelerator pedal or
shortly following the release to
override cruise control, briefly
9-35