Chevrolet Low Cab Forward 6.7L Diesel Engine 6500XD (GMNA-Localizing-
U.S.-15749874) - 2022 - CRC - 12/1/21
Climate Controls
101
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . . . . . . . . . . 101
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Maintenance
Passenger Compartment Air Filter . . . . . 104
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Climate Control Systems
The heating, cooling, and ventilation for the
vehicle can be controlled with this system.
1. Outlet Selector Knob
2. Air Selector Lever
3. Temperature Control Knob
4. Air Conditioning (A/C) Switch
5. Fan Speed Control Knob
Outlet Selector Knob :
The Air Selector Knob
regulates air flow from the upper, floor, and
defroster outlets.
H
:
Air flows through the upper outlets.
)
:
Air flows through the upper and floor
outlets.
6
:
Air flows through the floor outlets.
-
:
Air flows through the floor outlets,
with some air coming from the door
window and windshield outlets.
-
:
Air flows through the floor outlets,
with an increased amount of air coming
from the door window and windshield
outlets.
1
:
Air flows through the door window
and windshield outlets.
Air Selector Lever :
The intake of outside air
and the circulation of inside air is controlled
by sliding this lever right or left.
P
:
Use this position to ventilate the
interior of the cab. This position should be
normally selected.
O
:
Use this position to prevent dusty or
otherwise contaminated outside air from
entering the cab, such as in a tunnel or in
congested traffic.
Extended use of the inside air recirculation
position causes the windshield and windows
to fog up easily, making visibility poor. For
good ventilation, switch to outside air as
soon as possible.