Page 9 of 374
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
8 Introduction
Instrument Panel Overview
Page 10 of 374

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
Introduction 9
1. Air Flow Direction ControlLever. See Air Vents0124.
2. Combination Light Control Switch. See Exterior Lamp
Controls 080.
Cruise Control Set Switch/
Resume Switch. See Cruise
Control 0214.
3. Windshield Wiper and Windshield Washer Switch.
See Windshield Wiper/Washer
0 54.
Exhaust Brake Switch. See
Exhaust Brake 0213.
4. Heater and Manual Air Conditioner. See Climate
Control Systems 0121.
5. Radio with CD/USB/Bluetooth. See AM-FM Radio 085.
6. Small Article Storage Pocket. See Instrument Panel Storage
0 43.
7. Windshield Washer Fluid Tank. See Washer Fluid 0252.
8. Glove Compartment. See Glove Box 043. 9. Relay Box. See
Electrical
System Overload 0277.
10. Cupholders 044.
11. Hook. See Shopping Bag
Hooks 045.
12. Card Holder. See Instrument
Panel Storage 043.
13. Accessory Power Outlet. See Power Outlets 055.
14. Accessory Power Outlet. See Power Outlets 055.
Page 11 of 374

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.
Page 12 of 374
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
Introduction 11
Instrument Panel Overview (Vehicle Interior)
1. Overhead Tray. SeeStorage
Compartments 042.
2. Sun Visor. See Sun Visors
0 25.
3. Dome Lamps 084. 4. Seat Belt. See
Three-Point
Seat Belt 033.
5. Seat Back Pocket (Driver ’s
Side). See Storage
Compartments 042. 6. Seat. See
Seat Position026.
7. Cupholders 044.
8. Parking Brake Lever. See Parking Brake 0211.
9. Selector Lever 0205.
10. Fully Adjustable Steering. See Steering Wheel Adjustment
053.
Page 13 of 374
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
12 Introduction
2NOTES
Page 14 of 374

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.
Page 15 of 374

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
Page 16 of 374

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