Page 195 of 474

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
194 Climate Controls
Avoid using recirculation for long
periods of time in cold or damp
conditions. Using recirculation in
cold or damp conditions can result
in window fogging.
A/C :Press to turn the air
conditioning on or off. An indicator
light comes on to show that the air
conditioning is enabled. If the fan is
turned off, the air conditioner will not
run. The A/C light will stay on even
if the outside temperatures are
below freezing.
Rear Window Defogger
1REAR : If equipped, press to
turn the rear window defogger on or
off. An indicator light on the button
comes on to show that the rear
window defogger is on.
The rear window defogger only
works when the engine is running.
The defogger turns off if the ignition
is turned off or to ACC/
ACCESSORY. If equipped with heated outside
mirrors, press
1REAR to turn
them on or off. See Heated Mirrors
0 58.
Caution
Using a razor blade or sharp
object to clear the inside rear
window can damage the rear
window defogger. Repairs would
not be covered by the vehicle
warranty. Do not clear the inside
rear window with sharp objects.
Remote Start Climate Control
Operation : If equipped with remote
start, the climate control system
may run when the vehicle is started
remotely. If equipped with heated or
ventilated seats or a heated steering
wheel, these features may come on
during a remote start. See Remote
Vehicle Start 044, Heated and
Ventilated Front Seats 075, and
Heated Steering Wheel 0132.
Sensors
The solar sensor, on top of the
instrument panel near the
windshield, monitors the solar heat.
The climate control system uses the
sensor information to adjust the
temperature, fan speed,
recirculation, and air delivery mode
for best comfort.
Do not cover the sensor; otherwise
the automatic climate control system
may not work properly.
Page 358 of 474

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
Vehicle Care 357
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Fuses Usage
F1 Right doors
F2 Left doors
F3 Universal remote system
F4 –
F5 –
F6 Front blower
F8 Lumbar switch
F10 Body control module 6/Body control
module 7
F11 Seat/CLM
F12 Body control module 3/Body control
module 5
F14 Mirrors/Windows module
F17 Steering wheel controls
F18 VPM/OBS DET Fuses Usage
F19 DLIS
F20 Cooled seats
F21 NOT R/C
F22 Heated steering wheel
F23 MISC R/C
F24 Instrument panel cluster ignition/
Overhead
F25 Heating, ventilation, and air conditioning
ignition/Heating,
ventilation, and air
conditioning auxiliary
F26 USB ports/Special equipment option
retained accessory
power
F27 Accessory power outlet/retained
accessory power
F28 Accessory power outlet/Battery Fuses Usage
F30 Sensing and diagnostic module/
Parking brake
F31 Body control module 4
F32 Special equipment option/Data link
connection
F33 Body control module 8
F34 Cargo lamp
F40 CGM
F41 Infotainment 1
F42 TCP
F43 –
F44 AVM
F45 Body control module 2
F46 Heating, ventilation, and air conditioning/
Battery 1
F47 Instrument panel cluster/Battery
F48 Transmission control module
Page 467 of 474

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
466 Index
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 347
Hazard Warning Flashers . . . . . . . 181
Head Restraints . . . . . . . . . . . . . . . . . 68
Head-up Display . . . . . . . . . . . . . . . . 164
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 347
Automatic . . . . . . . . . . . . . . . . . . . . . 180
Bulb Replacement . . . . . . . . . . . . 347
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 180
Flash-to-Pass . . . . . . . . . . . . . . . . . 180
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 348
High-Beam On Light . . . . . . . . . . 158
High/Low Beam Changer . . . . . 179
Lamps On Reminder . . . . . . . . . 159
Heated
Rear Seats . . . . . . . . . . . . . . . . . . . . . 78
Steering Wheel . . . . . . . . . . . . . . . 132
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Heated Mirrors . . . . . . . . . . . . . . . . . . . 58
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 224
Heating . . . . . . . . . . . . . . . . . . . . 189, 191
High-Beam On Light . . . . . . . . . . . . 158 High-Speed Operation . . . . . . . . . . 370
Hill and Mountain Roads . . . . . . . . 207
Hill Descent Control (HDC) . . . . . 246
Hill Descent Control Light . . . . . . . 154
Hill Start Assist (HSA) . . . . . . . . . . 244
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 80
HVAC . . . . . . . . . . . . . . . . . . . . . . 189, 191
I
Ignition Positions . . . . . . . . . . 218, 220
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 344
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 54
Indicator Pedestrian Ahead . . . . . . . . . . . . 155
Vehicle Ahead . . . . . . . . . . . . . . . . 155
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . 100
Information Publication Ordering . . . . . . . . . . 444
Infotainment . . . . . . . . . . . . . . . . . . . . 188
Infotainment System . . . . . . . . . . . . 448
Instrument Cluster . . . . . . . . . . . . . . 139
Interior Rearview Mirrors . . . . . . . . . 59
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 396
K
Keyless EntryRemote (RKE) System . . . . . 34, 42
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
L
Labeling, Tire Sidewall . . . . . . . . . . 362
Lamps Daytime Running (DRL) . . . . . . 180
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 184
Exterior Cargo . . . . . . . . . . . . . . . . 183
Exterior Controls . . . . . . . . . . . . . . 177
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 179
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 187
License Plate . . . . . . . . . . . . . . . . . 350
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 150
On Reminder . . . . . . . . . . . . . . . . . 159
Reading . . . . . . . . . . . . . . . . . . . . . . 185
Lane Change Alert (LCA) . . . . . . . 268
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 270
Lane Keep Assist (LKA) . . . . . . . . 270