GMC YUKON 2017 Owner's Manual page 248

Increasing Speed While ACC is at
a Set Speed
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.
A warning message will appear
on the Driver Information Center
(DIC) and HUD, if equipped. See
Cruise Control Messages 0 159.
Press and hold +RES until the
desired set speed appears on
the display, then release it.
To increase vehicle speed in
small increments, briefly press
+RES. For each press, the
vehicle goes to the next 1 km/h
(1 mph) faster mark on the
speedometer.
To increase speed in larger
increments, press and briefly
hold +RES. For each press, the
vehicle speed goes to next
5 km/h (5 mph) faster mark on
the speedometer.
When it is determined that 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.
Reducing Speed While ACC is at a
Set Speed
Do one of the following:
Use the brake to get to the
desired lower speed. Press
SET and release the
accelerator pedal. The vehicle
will now cruise at the lower
speed.
Press and hold SET until the
desired lower speed is reached,
then release it.
To decrease the vehicle speed in
small increments, briefly press
SET . For each press, the
vehicle speed goes to the next
1 km/h (1 mph) slower mark on
the speedometer.
Driving and Operating
To decrease speed in larger
increments, press and briefly
hold SET . For each press, the
vehicle speed goes to the next
5 km/h (5 mph) slower mark on
the speedometer.
Selecting the Follow Distance Gap
When a slower moving vehicle is
detected ahead within the selected
following gap, ACC will adjust the
vehicle's speed and attempt to
maintain the follow distance gap
selected.
Press on the steering wheel to
adjust the following gap. When
pressed, the current gap setting
displays briefly on the instrument
cluster and HUD, if equipped.
Subsequent presses cycle the
button through three settings: Far,
Medium, or Near. The gap setting
will be maintained until it is
changed.
Since each gap setting corresponds
to a following time (Far, Medium,
or Near), the following distance will
vary based on vehicle speed. The
faster the vehicle speed, the further
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