2018 CHEVROLET SILVERADO 2500 AUX

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
358 Vehicle Care
High Intensity Discharge
(HID) Lighting
{Warning
The High Intensity Discharge
(HID) lighting system operates at
a very high voltage. If you try to
service any of the system
components, you could be
seriously injured. Have your
dealer or a qualified technician
service them.
After an HID headlamp bulb has
been replaced, the beam might be a
slightly different shade than it was
originally. This is normal.
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.
Headlamps, Front Turn
Signal, Sidemarker, and
Parking Lamps
Driver Side Shown, Passenger Side Similar
1. Low/High-Beam Headlamp
2. Turn Signal
Headlamp
See your dealer for headlamp
replacement.
Turn Signal
1. Open the hood. 2. If replacing a bulb on the
passenger side, remove the
engine air cleaner.
3. 2500/3500 Series vehicles
only, driver side:
3.1. Remove the auxiliary battery retainer bolt (2)
and battery retainer (1).
3.2. Reposition the auxiliary battery (3) so that the
front turn signal access
port is visible.

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Vehicle Care 359
4. Turn the bulb socketcounterclockwise to remove it
from the headlamp assembly
and pull it straight out.
5. Remove the bulb by pulling it straight out of the bulb socket.
6. Install the new bulb into the bulb socket.
7. Turn the bulb socket clockwise to install it in the headlamp
assembly.
8. 2500/3500 Series vehicles only, driver side:
8.1. Reposition the auxiliary
battery (3).
8.2. Install the auxiliary battery retainer (1) and
battery retainer bolt (2).
9. If replacing a bulb on the passenger side, reinstall the
engine air cleaner.
10. Close the hood.
Fog Lamps
To replace the front fog lamp bulb: 1. Locate the fog lamp in the front
bumper.
2. Disconnect the electrical connector from the fog lamp
bulb assembly by pressing the
connector release.
3. Remove the bulb from the housing by squeezing the two
release tabs and pulling it
straight out of the assembly.
Taillamps (Chassis Cab
Models)
1. Back-Up Lamp 2. Stoplamp/Taillamp/Turn
Signal Lamp
To replace one of these bulbs:
1. Remove the four screws.
2. Lift the lens off the lamp assembly.
3. Turn the old bulb counterclockwise and pull it
straight out from the socket.
Taillamps, Turn Signal,
Stoplamps, and Back-Up
Lamps

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Vehicle Care 369
FusesUsage
19 –
20 –
22 Heating, ventilation, and air conditioning/
Auxiliary heating,
ventilation, and air
conditioning/Ignition
23 Instrument cluster/ Ignition sensing
diagnostic module/
Ignition
24 –
25 Data link connector/ Driver seat module
26 Passive entry/Passive start/Heating,
ventilation, and air
conditioning
27 –
28 –
29 Park enable/ Electrically adjustable
pedals Fuses
Usage
30 Special equipment option
31 Accessory/Run/Crank
32 Heated steering wheel
33 –
34 Instrument cluster
36 –
37 –
38 4WD transfer case electronic control
40 Left doors
41 Driver power seat
43 Left heated, cooled or ventilated seats (if
equipped)
44 Right heated, cooled or ventilated seats (if
equipped)
45 – Relays
Usage
49 Retained accessory power
50 Run/Crank

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Vehicle Care 411
Do not let the other end touch
anything until the next step.
10. Connect the other end of the negative (−) cable.
5.3L
‐ To the metal bracket that is
bolted to the engine and
supports the resonator, on
the vehicle with the dead
battery.
6.0L
‐ To the generator bracket, on
the vehicle with the dead
battery.6.6L
‐ To the negative (−) post on
the auxiliary battery, on the
vehicle with the dead battery.
11. Start the vehicle with the good battery and run the engine for a
while.
12. Try to start the vehicle that had the dead battery. If it will not
start after a few tries, it
probably needs service.

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
476 Index
Antilock Brake System (ABS) . . . 270Warning Light . . . . . . . . . . . . . . . . . 149
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 418
Interior . . . . . . . . . . . . . . . . . . . . . . . . 423
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . . . 209
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 453
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 282
Assistance Systems for Parking and Backing . . . . . . . . . . 280
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . 196
Theft-Deterrent Feature . . . . . . . 182
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . 48
Door Locks . . . . . . . . . . . . . . . . . . . . . 40
Forward Braking . . . . . . . . . . . . . . 285
Headlamp System . . . . . . . . . . . . 174
Transmission . . . . . . . . . . . . . . . . . 256
Transmission Fluid . . . . . . 335, 337
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 259
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 354 Auxiliary
Roof Mounted Lamp . . . . . . . . . . 176
Auxiliary Jack . . . . . . . . . . . . . . . . . . . 195
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . 190
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 350
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 351
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 180
Load Management . . . . . . . . . . . . 179
Power Protection . . . . . . . . . . . . . 180
Battery - North America . . . . 349, 408
Blade Replacement, Wiper . . . . . 355
Blind Spot Mirrors . . . . . . . . . . . . . . . 48
Bluetooth Overview . . . . . . . . . . . . . . . . 203, 205
Bluetooth Audio . . . . . . . . . . . . . . . . 196
Brake Pedal and AdjustableThrottle . . . . . . . . . . . . . . . . . . . . . . 246
System Warning Light . . . . . . . . 148
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 347 Antilock . . . . . . . . . . . . . . . . . . . . . . . 270
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 272
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 348 Brakes (cont'd)
Parking . . . . . . . . . . . . . . . . . . . . . . . 271
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 227 Automatic Forward . . . . . . . . . . . 285
Break-In, New Vehicle . . . . . . . . . . 246
Bulb Replacement Center High-MountedStoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . 361
Fog Lamps . . . . . . . . . . . . . . . . . . . 359
Halogen Bulbs . . . . . . . . . . . . . . . . 357
Headlamp Aiming . . . . . . . . . . . . . 357
Headlamps . . . . . . . . . . . . . . . . . . . 357
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 358
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 358
Taillamps . . . . . . . . . . . . . . . . . . . . . 359
Taillamps, Turn Signal, Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 359
Buying New Tires . . . . . . . . . . . . . . . 389
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 129

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
480 Index
Gauges (cont'd)Voltmeter . . . . . . . . . . . . . . . . . . . . . 142
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 135
General Information Service and Maintenance . . . . . 428
Towing . . . . . . . . . . . . . . . . . . . . . . . . 294
Vehicle Care . . . . . . . . . . . . . . . . . . 324
Glove Box . . . . . . . . . . . . . . . . . . . . . . 122
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 453
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 357
Hazard Warning Flashers . . . . . . . 175
Head Restraints . . . . . . . . . . . . . . . . . 56
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 357
Automatic . . . . . . . . . . . . . . . . . . . . . 174
Bulb Replacement . . . . . . . . . . . . 357
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 174
Flash-to-Pass . . . . . . . . . . . . . . . . . 174
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 358
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 358 Headlamps (cont'd)
High-Beam On Light . . . . . . . . . . 153
High/Low Beam Changer . . . . . 173
Lamps On Reminder . . . . . . . . . 154
Heated Steering Wheel . . . . . . . . . . . . . . . 128
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Heated Mirrors . . . . . . . . . . . . . . . . . . . 48
Heater
Engine Coolant . . . . . . . . . . . . . . . 251
Heating . . . . . . . . . . . . . . .216, 218, 220
High-Beam On Light . . . . . . . . . . . . 153
High-Speed Operation . . . . . . . . . . 380
Hill and Mountain Roads . . . . . . . . 235
Hill Descent Control (HDC) . . . . . 275
Hill Descent Control Light . . . . . . . 150
Hill Start Assist (HSA) . . . . . . . . . . 272
Home Page . . . . . . . . . . . . . . . . . . . . . 184
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 68
HVAC . . . . . . . . . . . . . . . . .216, 218, 220
I
Idle System Fast . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Ignition Positions . . . . . . . . . . . . . . . 247
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 354
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 44
Indicator Vehicle Ahead . . . . . . . . . . . . . . . . 151
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 92
Information Publication Ordering . . . . . . . . . . 458
Infotainment . . . . . . . . . . . . . . . . . . . . 181
Infotainment System . . . . . . . . . . . . 462
Instrument Cluster . . . . . . . . . . . . . . 136
Instrument Panel
Storage Area . . . . . . . . . . . . . . . . . 122
Interior Rearview Mirrors . . . . . . . . . 49
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jack Auxiliary . . . . . . . . . . . . . . . . . . . . . . 195
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 408

Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Index 481
K
Keyless EntryRemote (RKE) System . . . . . . . . . 36
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
L
Labeling, Tire Sidewall . . . . . . . . . . 372
Lamps Auxiliary RoofMounted Lamp . . . . . . . . . . . . . . 176
Daytime Running (DRL) . . . . . . 174
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 178
Exterior Cargo . . . . . . . . . . . . . . . . 177
Exterior Controls . . . . . . . . . . . . . . 171
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 173
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 180
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 146
On Reminder . . . . . . . . . . . . . . . . . 154
Reading . . . . . . . . . . . . . . . . . . . . . . 178
Taillamps . . . . . . . . . . . . . . . . . . . . . 359
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 286
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Lane Keep Assist (LKA) . . . . . . . . 287 Lane Keep Assist Light . . . . . . . . . 151
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 73
Lap-Shoulder Belt . . . . . . . . . . . . . . . 70
LATCH System
Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . 109
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . 98
LED Lighting . . . . . . . . . . . . . . . . . . . . 358
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 179
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Illumination Control . . . . . . . . . . . 178
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 358
Lights Airbag On-Off . . . . . . . . . . . . . . . . . 144
Airbag Readiness . . . . . . . . . . . . . 143
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 149
Brake System Warning . . . . . . . 148
Charging System . . . . . . . . . . . . . 146
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 146
Cruise Control . . . . . . . . . . . . . . . . 154
Flash-to-Pass . . . . . . . . . . . . . . . . . 174
Four-Wheel-Drive . . . . . . . . . . . . . 150
Front Fog Lamp . . . . . . . . . . . . . . 153
High-Beam On . . . . . . . . . . . . . . . . 153 Lights (cont'd)
High/Low Beam Changer . . . . . 173
Hill Descent Control . . . . . . . . . . 150
Lane Departure Warning . . . . . . 150
Lane Keep Assist . . . . . . . . . . . . . 151
Low Fuel Warning . . . . . . . . . . . . 153
Seat Belt Reminders . . . . . . . . . . 143
Security . . . . . . . . . . . . . . . . . . . . . . 153
StabiliTrak OFF . . . . . . . . . . . . . . . 151
Tire Pressure . . . . . . . . . . . . . . . . . 152
Tow/Haul Mode . . . . . . . . . . . . . . . 150
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 152
Traction Off . . . . . . . . . . . . . . . . . . . 151
Locking Rear Axle . . . . . . . . . . . . . . 276
Locks Automatic Door . . . . . . . . . . . . . . . . . 40
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Lockout Protection . . . . . . . . . . . . . . 41
Power Door . . . . . . . . . . . . . . . . . . . . . 40
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Loss of Control . . . . . . . . . . . . . . . . . 229
Low Fuel Warning Light . . . . . . . . . 153
Low-Profile Tires . . . . . . . . . . . . . . . . 371
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 98