2020 CHEVROLET LOW CAB FORWARD window

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
Keys, Doors, and Windows . . . . . 13
Seats and Restraints . . . . . . . . . . . 26
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 42
Instruments and Controls . . . . . . . 52
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . 80
Infotainment System . . . . . . . . . . . . 85
Climate Controls . . . . . . . . . . . . . . 121
Driving and Operating . . . . . . . . . 128
Vehicle Care . . . . . . . . . . . . . . . . . . 229
Service and Maintenance . . . . . 317
Technical Data . . . . . . . . . . . . . . . . 343
Customer Information . . . . . . . . . 356
Reporting Safety Defects . . . . . . 363
Index . . . . . . . . . . . . . . . . . . . . 365

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
10 Introduction
Instrument Panel Overview (Driver Side)
1. Instrument Panel Light LevelControl. See Instrument Panel
Illumination Control 083.
2. Power Take Off (PTO) Main Switch. See Power Take-Off
(PTO) 0227.
3. Power Take Off (PTO) Engine Speed Control Switch. See
Power Take-Off (PTO) 0227. 4. Rear Body Interior Light
Switch. See Cargo Lamp 084.
5. Instruments, Warning Lights and Indicator Lights. See
Instrument Cluster 057.
6. Horn Button. See Horn053. 7. Rear Power Window Lock
Switch. See Power Windows
0 23.
8. Outside Rearview Mirror Heater Switch. See Heated
Mirrors 022.
9. Cruise Control Main Switch. See Cruise Control 0214.
10. Hazard Warning Flasher Switch. See Hazard Warning
Flashers 082.
11. Rear Power Window Switch. SeePower Windows 023.
12. Diesel Particulate Filter (DPF) Switch. See Diesel Particulate
Filter 0171.
13. Odometer Check Switch. See Odometer 058.
Engine Oil Level Check Switch.
See Engine Oil 0235.
14. Door Lock Switch. See Power
Door Locks 021.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Keys, Doors, and Windows 13
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 14
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 14
Getting In and Out of the Vehicle . . . . . . . . . . . . . . . . . . . . . . . 17
Door Locks . . . . . . . . . . . . . . . . . . . . 18
Power Door Locks . . . . . . . . . . . . . 21
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 21
Exterior Mirrors
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 21
Heated Mirrors . . . . . . . . . . . . . . . . . 22
Windows
Power Windows . . . . . . . . . . . . . . . 23
Sun Visors . . . . . . . . . . . . . . . . . . . . . 25
Keys and Locks
Keys
1. Main Key
2. Spare Key
3. Metal plate with key code
One key (1) can operate all the
locks on the vehicle. Keep one of
the two keys provided as a
spare (2). Record the key code
numbers. Both sides of the key are identical,
so you can insert the key in the
engine control switch without
worrying about which way you
insert it.
The key code is indicated on a
separate metal plate (3) in order to
prevent it from being acquired by an
unauthorized person.
Where is the Key Used?
Where For What
Engine Control
Switch Starting and
shutting down
the engine
Front doors Locking and unlocking the
doors.
Wipe off the key to remove any dirt
or dust, etc. before using it.
To prevent theft, store the metal
plate with key code in a safe place
other than the vehicle.
Should you lose the key, please
give the key number to the nearest
dealer. The dealer will be able to
duplicate your key.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
14 Keys, Doors, and Windows
If you resell the vehicle, be sure to
hand over the plate with key code to
the new owner together with the
vehicle.
Remote Keyless Entry
(RKE) System
SeeRadio Frequency Statement
0 362.
If there is a decrease in the Remote
Keyless Entry (RKE) operating
range:
. Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other
vehicles or objects may be
blocking the signal.
. Check the transmitter's battery.
See “Replacing the Battery in
the Remote Control Unit” later in
this section.
. If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The keyless entry system allows
you to lock/unlock the doors by
simply pressing the remote control
button rather than inserting the key
into the lock.
The remote control unit works within
a 10 m (33 ft) radius of the cab
center as indicated in the figure.
The actual distance over which the
unit operates may vary depending
on conditions.
Unlocking and Locking the
Doors
Remote Control Unit
Unlocking
Press the unlock button (2) of the
remote control unit for 1 second or
longer. The vehicle's keyless entry
system causes the right and left turn
signal lights to simultaneously flash
twice upon receiving the signals
from the remote control unit.
Locking
Press the lock button (1) of the
remote control unit for 1 second or
longer. The vehicle's keyless entry

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Keys, Doors, and Windows 15
system causes the right and left turn
signal lights to simultaneously flash
once upon receiving the signals
from the remote control unit.
Should you lose the remote control
unit, please contact your dealer.
After locking the doors using the
remote control unit, be sure to
check that they are locked by
pulling the door handles.
Avoid getting water on the remote
control unit, dropping it, hitting it
against another object, or stepping
on it; otherwise, the remote control
unit could malfunction.
Do not leave the remote control unit
on the dashboard or any other
surface where the unit might be
exposed to high temperatures
(exceeding 60°C/140°F). Doing so
may result in shorter battery life or
malfunction of the remote
control unit.
If the keyless entry system fails to
operate normally, lock and unlock
the doors using the key and have
the system inspected by your
dealer.The lock or unlock buttons on the
remote control unit must be fully
pressed for more than 1 second
to work.
If you do not open any doors within
about 30 seconds after pressing the
unlock button to unlock the doors,
the automatic locking function of the
system will lock the doors again to
prevent theft.
In areas near a TV tower, electric
power plant, radio station, etc. or
under any conditions involving
strong electrical disturbances, the
remote control unit operating range
might change or the keyless entry
system might not work.
The keyless entry system does not
operate in the following cases:
.
The engine control switch is in
the "ON" position.
. The key is inserted in the engine
control switch.
. One of the doors is open.Replacing the Battery in the
Remote Control Unit
When the battery runs down,
replace it. Battery life is
approximately two years.
Battery Used Number of
Battery
Lithium battery 1
Model number:
CR 2032
Voltage: DC3V
1. Battery Cover

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
16 Keys, Doors, and Windows
2. Remote Control CoverNotch
3. Remote Control Unit Cover
4. Remote Control Unit
5. Battery
1. Pry open the remote control unit cover (3) by inserting a flat
head screwdriver or similar tool
into the notch of the remote
control unit cover (2). Wrap a
piece of cloth or tape around
the tip of the screwdriver so as
not to damage the remote
control unit cover (3).
2. Remove the battery cover (1).
3. Insert a flat head screwdriveror similar tool into the recess of
the remote control unit (4) to
remove the old battery.
4. Insert the new battery into the remote control unit (4) with its
positive side visible, and press
the battery downward until fully
seated.
5. Install the remote control unit (4), battery (5), and battery
cover (1) in their original
positions inside the remote
control unit cover (3).
6. Close the remote control unit cover (3).
When closing the remote control
unit cover (3), check that there is no
dust, hair, or anything else caught
underneath it. A poorly sealed
remote control unit could become
deteriorated.
Please comply with the collection
system available in your country for
the disposal of old batteries. In
addition, take special care to
prevent any danger to children.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Keys, Doors, and Windows 17
{Warning
When changing the battery, use
only a battery of the same type as
the original battery, or an
equivalent. Otherwise, there is a
risk of explosion.
Do not place the battery in direct
sunlight, or near a fire or other
sources of heat.
Be sure to install the battery with
the "+" and "-" sides correctly
oriented. Incorrect installation will
result in leakage of chemicals
from inside the battery or other
operational problems.
You and others could be seriously
injured.
The battery life varies depending on
how the remote control unit is used.
The battery has reached its end of
life when the remote control unit
works intermittently or does not
work at all. Replace the battery as
soon as this happens.
Getting In and Out of the
Vehicle
Carefully check that the area around
the vehicle is safe, hold the grip (1),
and place your foot on the step (2)
when getting in or out of the vehicle.
{Warning
When getting in or out of the
vehicle, make sure you use the
step and grips to support yourself (Continued)
Warning (Continued)
at 3 points. It is very dangerous to
stand on the tire or wheel when
getting in or out of the vehicle.
Furthermore, do not try to jump in
or out of the vehicle, as doing so
could cause unexpected
accidents or injuries.
Getting in or out of the vehicle
with oily or greasy hands or
shoes could cause you to slip.
Always thoroughly clean grease,
etc. from your hands and shoes
before getting in or out of the
vehicle.
Rain and snow can cause the
step to become very slippery.
Therefore, always remove snow
and ice from your shoes and the
step, and be careful not to slip
when getting in and out of the
vehicle.(Continued)

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
18 Keys, Doors, and Windows
Warning (Continued)
Exercise caution when opening or
closing doors, as strong winds or
steep slopes may cause doors to
open or close suddenly.
Do not hold parts other than the
grip when getting in or out of the
vehicle. Doing so may cause
damage to the vehicle or injuries
to yourself or others.
You and others could be seriously
injured.
Door Locks
{Warning
Be sure to do the following
whenever you leave the vehicle:1. Fully engage the parkingbrake.
2. Stop the engine.
3. Lock the doors. (Continued)
Warning (Continued)
When you close the door after
sitting behind the wheel, check
that the door is fully closed.
Driving with any door ajar is very
dangerous.
Before opening the door when
climbing into or out of the cab,
carefully check all areas around
the vehicle for safety, especially
the area at the rear of the vehicle.
If you suddenly open a door
without checking the surrounding
area, the door could be hit by a
vehicle behind you or a
pedestrian.
Never leave the key in the
vehicle.
Tilt the cab only after fully closing
the doors.
To help reduce the risk of
personal injury in an accident,
always lock the doors when
driving. Along with using the seat
(Continued)
Warning (Continued)
belts properly, locking the doors
helps prevent people from being
thrown from the vehicle. It also
helps prevent unintended opening
of the doors and helps keep out
intruders.
You and others could be seriously
injured.
{Warning
To protect the child from the
danger of getting his/her hands
and head trapped, an adult must
open, close and lock the door for
the child.
Be careful that the child does not
interfere with the power window
switches and get his/her hands or
head trapped in the window.
While a child is in the cab, be
(Continued)