GMC CHEVROLET Silverado 6500HD 2019 Owner's Manual page 239

238 Driving and Operating
+RES : If there is a set speed in
memory, press briefly to resume to
that speed or press and hold to
accelerate. If cruise control is
already active, use to increase
vehicle speed.
SET : Press briefly to set the
speed and activate cruise control.
If cruise control is already active,
use to decrease vehicle speed.
: Press to disengage cruise
control without erasing the set
speed from memory.
Setting Cruise Control
If is on when not in use, SET or
+RES could get pressed and go into
cruise when not desired. Keep
off when cruise is not being used.
1. Press to turn the cruise
system on.
2. Get up to the desired speed.
3. Press and release SET .
4. Remove your foot from the
accelerator.
The cruise control indicator on the
instrument cluster turns green after
cruise control has been set to the
desired speed. See Instrument
Cluster 0 105.
Resuming a Set Speed
If the cruise control is set at a
desired speed and then the brakes
are applied or is pressed, 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. The vehicle
returns to the previous set speed.
Increasing Speed While Using
Cruise Control
If the cruise control system is
already activated:
Press and hold +RES until the
desired speed is reached, then
release it.
To increase vehicle speed in
small increments, briefly press
+RES. For each press, the
vehicle goes about 1 km/h
(1 mph) faster.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0 105.
The increment value used depends
on the units displayed.
Reducing Speed While Using
Cruise Control
If the cruise control system is
already activated:
Press and hold SET until the
desired lower speed is reached,
then release it.
To slow down in small
increments, briefly press SET .
For each press, the vehicle goes
about 1 km/h (1 mph) slower.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0 105.
The increment value used depends
on the units displayed.