Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
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
5
is on when not in use, SET
−
or
+RES could get pressed and go into
cruise when not desired. Keep
5
off when cruise is not being used.
1. Press
5
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
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
.
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
.
The increment value used depends
on the units displayed.