Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
18
In Brief
Climate Control System (with Air Conditioning)
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Defrost
5. TEMP (Temperature Control)
6.
K
(Rear Window Defogger, If
Equipped)
f
(Heated Outside Mirror, If
Equipped)
8
(Outside Air, If Equipped)
7. Air Recirculation
Transmission
Range Selection Mode
The Range Selection Mode switch,
if equipped, is on the shift lever.
1. To enable the Range Selection
feature, move the shift lever to
the L (Manual Mode) position.
The current range will appear
next to the L. This is the
highest attainable range with
all lower gears accessible. As
an example, when 5 (Fifth)
gear is selected, 1 (First)
through 5 (Fifth) gears are
available.
2. Press the plus/minus buttons
on the shift lever to select the
desired range of gears for
current driving conditions. See
.
While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See
Four-Wheel Drive
If equipped with four-wheel drive,
the engine's driving power can be
sent to all four wheels for extra
traction.