2018 CHEVROLET SILVERADO four wheel drive

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
430 Vehicle Care
4. Secure the vehicle to the dollyfollowing the manufacturer's
instructions.
5. Use a clamping device designed for towing to ensure
that the front wheels are locked
into the straight position.
6. Turn the ignition to LOCK/OFF.
Four-Wheel-Drive Vehicles
{Warning
Shifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). You or others could
be injured. Set the parking brake
before shifting the transfer case
to N (Neutral). To dolly tow a four-wheel-drive
vehicle from the rear:
1. Drive the rear wheels onto the dolly.
2. Set the parking brake. See Parking Brake 0273.
3. Put the transmission in P (Park).
4. Secure the vehicle to the dolly following the manufacturer's
instructions.
5. Use a clamping device designed for towing to ensure
that the front wheels are locked
into the straight position.
6. Shift the transfer case to N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive 0265 for the proper
procedure.
7. Turn the ignition to LOCK/OFF.
Appearance Care
Exterior Care
Locks
Locks are lubricated at the factory.
Use a de-icing agent only when
absolutely necessary, and have the
locks greased after using. See
Recommended Fluids and
Lubricants 0451.
Washing the Vehicle
To preserve the vehicle's finish,
wash it often and out of direct
sunlight.
{Warning
Do not power wash any part of
the vehicle’s interior, including the
vinyl floor covering. This could
damage safety and other systems
in the vehicle, which would not be
covered by the vehicle warranty.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
448 Service and Maintenance
(2)Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the fluid. Contaminated
fluid will decrease the life of the
transfer case and/or drive axles and
should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 352.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0361.Special Application
Services
.
Vehicles with Dual Wheels:
Check dual wheel nut torque at
160, 1 600, and 10 000 km (100,
1,000, and 6,000 mi) of driving.
Repeat this service whenever a
tire/wheel is serviced or
removed.
. Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See “Underbody
Maintenance” inExterior Care
0 430.
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required.
It is recommended that your dealer
perform these services —their
trained dealer technicians know
your vehicle best. Your dealer can
also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention.
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
452 Service and Maintenance
UsageFluid/Lubricant
Front Axle Driveshaft Splines (All
4WD 1500/2500/3500 Series) and
Rear Axle Driveshaft Splines (All
2WD 1500 Series with Automatic Transmission) Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).
Front Axle (Four-Wheel Drive) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19299819).
Hydraulic Clutch System DOT 4 Hydraulic Brake Fluid (GM Part No. 19299570).
Hydraulic Power Steering System (2500/3500 Series Only) GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
Key Lock Cylinders, Hood Hinges, Body Door Hinge Pins, Tailgate
Hinge and Linkage, Fuel Door Hinge, Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Manual Transmission Manual Transmission Fluid (GM Part No. 93436060).
Rear Axle (1500 Series) SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458).
Rear Axle (2500/3500 Series) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Service and Maintenance 453
UsageFluid/Lubricant
Rear Driveline Center Spline (Two-Piece Driveshaft) Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Transfer Case (Four-Wheel Drive) DEXRON-VI Automatic Transmission Fluid. Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent.
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
If the vehicle has a diesel engine, see the Duramax diesel supplement.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 22845992 A3181C
Oil Filter
4.3L V6 19330000 PF63E
5.3L V8; 6.2L V8 19330000 PF63E
6.0L V8 19303975 PF48E

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Index 491
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 358
Fast Idle System . . . . . . . . . . . . . . . . 251
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filter, Engine Air Cleaner . . . . . . . . . . . 351
Fixed Mast Antenna . . . . . . . . . . . . 189
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 174
Flashers, Hazard Warning . . . . . . 175
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 408 Changing . . . . . . . . . . . . . . . . . . . . . 410
FlexFuel
E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Floor Console Storage . . . . . . . . . . 126
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 439
Fluid Automatic
Transmission . . . . . . . . . . . 347, 350
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 361
Four-Wheel Drive Transfer Case . . . . . . . . . . . . . . . 265
Power Steering . . . . . . . . . . . . . . . 359
Washer . . . . . . . . . . . . . . . . . . . . . . . 359
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 176 Bulb Replacement . . . . . . . . . . . . 373
Folding Mirrors . . . . . . . . . . . . . . . . . . 49 Forward Automatic Braking . . . . . 287
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 285
Four-Wheel Drive . . . . . . . . . . 265, 363
Four-Wheel-Drive Light . . . . . . . . . 150
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 471
Front Axle . . . . . . . . . . . . . . . . . . . . . . 364
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 59
Heated and Ventilated . . . . . . . . . . 65
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292 Additives . . . . . . . . . . . . . . . . . . . . . 293
Economy Driving . . . . . . . . . . . . . . . 32
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 296
Filling the Tank . . . . . . . . . . . . . . . 294
Foreign Countries . . . . . . . . . . . . 293
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 140
Low Fuel Warning Light . . . . . . . 153
Management, Active . . . . . . . . . . 256
Requirements, California . . . . . 293
Full-Size Spare Tire . . . . . . . . . . . . 420
Fuses
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 376 Fuses (cont'd)
Fuses and Circuit Breakers . . . 376
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . 380, 381
G
Garage Door Opener . . . . . . . . . . . 168
Programming . . . . . . . . . . . . . . . . . 168
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 370
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 142
Engine Oil Pressure . . . . . . . . . . 141
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Odometer . . . . . . . . . . . . . . . . . . . . . 140
Speedometer . . . . . . . . . . . . . . . . . 140
Tachometer . . . . . . . . . . . . . . . . . . . 140
Trip Odometer . . . . . . . . . . . . . . . . 140
Voltmeter . . . . . . . . . . . . . . . . . . . . . 143
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 136
General Information Service and Maintenance . . . . . 441
Towing . . . . . . . . . . . . . . . . . . . . . . . . 296
Vehicle Care . . . . . . . . . . . . . . . . . . 335
Glove Box . . . . . . . . . . . . . . . . . . . . . . 124
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 465

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Index 493
Lamps (cont'd)Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 180
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 147
On Reminder . . . . . . . . . . . . . . . . . 154
Reading . . . . . . . . . . . . . . . . . . . . . . 178
Taillamps . . . . . . . . . . . . . . . . . . . . . 373
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 288
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Lane Keep Assist (LKA) . . . . . . . . 290
Lane Keep Assist Light . . . . . . . . . 151
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 75
Lap-Shoulder Belt . . . . . . . . . . . . . . . 71
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . 111
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 99
LED Lighting . . . . . . . . . . . . . . . . . . . . 371
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 179
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Illumination Control . . . . . . . . . . . 177
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 371 Lights
Airbag On-Off . . . . . . . . . . . . . . . . . 144
Airbag Readiness . . . . . . . . . . . . . 144
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 150
Brake System Warning . . . . . . . 149
Charging System . . . . . . . . . . . . . 147
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 147
Cruise Control . . . . . . . . . . . . . . . . 154
Flash-to-Pass . . . . . . . . . . . . . . . . . 174
Four-Wheel-Drive . . . . . . . . . . . . . 150
Front Fog Lamp . . . . . . . . . . . . . . 154
High-Beam On . . . . . . . . . . . . . . . . 154
High/Low Beam Changer . . . . . 173
Hill Descent Control . . . . . . . . . . 151
Lane Departure Warning . . . . . . 151
Lane Keep Assist . . . . . . . . . . . . . 151
Low Fuel Warning . . . . . . . . . . . . 153
Seat Belt Reminders . . . . . . . . . . 143
Security . . . . . . . . . . . . . . . . . . . . . . 153
StabiliTrak OFF . . . . . . . . . . . . . . . 152
Tire Pressure . . . . . . . . . . . . . . . . . 153
Tow/Haul Mode . . . . . . . . . . . . . . . 150
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 152
Traction Off . . . . . . . . . . . . . . . . . . . 152 Locking Rear Axle . . . . . . . . . . . . . . 278
Locks
Automatic Door . . . . . . . . . . . . . . . . . 41
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Lockout Protection . . . . . . . . . . . . . . 42
Power Door . . . . . . . . . . . . . . . . . . . . . 41
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Loss of Control . . . . . . . . . . . . . . . . . 230
Low Fuel Warning Light . . . . . . . . . 153
Low-Profile Tires . . . . . . . . . . . . . . . . 385
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 99
Lumbar Adjustment . . . . . . . . . . . . . . 60 Front Seats . . . . . . . . . . . . . . . . . . . . . 60
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 455
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 448
Maintenance Schedule . . . . . . . . . 443 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 451
Transfer Case . . . . . . . . . . . . . . . . 265
Malfunction Indicator Lamp . . . . . 147
Manual Mirrors . . . . . . . . . . . . . . . . . . 47
Manual Mode . . . . . . . . . . . . . . . . . . . 260