tow bar CHEVROLET SILVERADO 2020 User Guide

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Driving and Operating 295
MeasurementHeight Example 1500 (mm)
H1 1 000
H2 1 050
H2−H1 50
(H2−H1)/2 25
H2−[(H2−H1)/2] 1 025
Towing with Model 2500/3500
Trucks 1. Position the truck so that the trailer is ready to connect.
Keep the trailer detached.
2. Measure the height of the top of the front wheel opening at
the fender to the ground (H1).
3. Attach the vehicle to the trailer. Do not attach weight
distribution bars at this time. 4. Measure the height of the top
of the front wheel opening on
the fender to the ground (H2).
5. Install and adjust the tension in the weight-distributing bars per
the manufacturers’
recommendations so that the
height of the front fender is
approximately H2−[(H2−H1)/4]
(1/4 the difference between the
two measured ride heights,
below the secondary ride
height {H2}). 6. Visually inspect the trailer and
weight-distributing hitch to
ensure that the manufacturers’
recommendations have
been met.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
Vehicle Care 425
Caution
Do not power wash any
component under the hood that
has this
esymbol.
This could cause damage that
would not be covered by the
vehicle warranty.
Underhood Component
Power Wash
If power washing underhood
components, do not exceed these
limits:
. Fluid pressures of 110 bar
(1600 psi)
. Fluid temperatures of 25°C
(77° F)
. Nozzle must remain 30 cm
(12 in) or farther from
components Automatic Car Wash
Caution
Some automatic car washes can
cause damage to the vehicle,
wheels and ground effects.
Automatic car washes are not
recommended, due to lack of
clearance for the undercarriage
and/or wide rear tires and wheels.
Caution
Automatic car washes can cause
damage to the vehicle, wheels,
ground effects, and convertible
top (if equipped).
Do not use automatic car washes
due to lack of clearance for the
undercarriage, wide rear tires,
and wheels.
If using an automatic car wash,
follow with the car wash
instructions. The windshield wiper
and rear window wiper, if equipped, must be turned off. Remove any
accessories that may be damaged
or interfere with the car wash
equipment.
See
Power Assist Steps 032 for
cleaning information.
Rinse the vehicle well, before
washing and after, to remove all
cleaning agents completely. If they
are allowed to dry on the surface,
they could stain.
Dry the finish with a soft, clean
chamois or an all-cotton towel to
avoid surface scratches and water
spotting.Finish Care
Application of aftermarket clearcoat
sealant/wax materials is not
recommended. If painted surfaces
are damaged, see your dealer to
have the damage assessed and
repaired. Foreign materials such as
calcium chloride and other salts, ice
melting agents, road oil and tar, tree
sap, bird droppings, chemicals from
industrial chimneys, etc., can
damage the vehicle's finish if they
remain on painted surfaces. Wash

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
488 Index
Locks (cont'd)Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Loss of Control . . . . . . . . . . . . . . . . . 187
Low Fuel Warning Light . . . . . . . . . 143
Low-Profile Tires . . . . . . . . . . . . . . . . 376
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 89
Lumbar Adjustment . . . . . . . . . . . . . . 54 Front Seats . . . . . . . . . . . . . . . . . . . . . 54
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 452
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 445
Maintenance Schedule . . . . . . . . . 437
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 448
Transfer Case . . . . . . . . . . . . . . . . 223
Malfunction Indicator Lamp . . . . . 135
Manual Mirrors . . . . . . . . . . . . . . . . . . 37
Manual Mode . . . . . . . . . . . . . . . . . . . 220
Manual Windows . . . . . . . . . . . . . . . . 45
Memory Seats . . . . . . . . . . . . . . . . . . . 56
Messages Engine Power . . . . . . . . . . . . . . . . 153
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 152 Messages (cont'd)
Vehicle Speed . . . . . . . . . . . . . . . . 153
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . 43
Mirrors Automatic Dimming . . . . . . . . . . . . . 41
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 42
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 41
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 37
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 40
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 41
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 37
Manual Rearview . . . . . . . . . . . . . . . 42
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Tilt in Reverse . . . . . . . . . . . . . . . . . . 42
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . 38
Mirrors, Interior Rearview . . . . . . . . 42
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 Driver Control . . . . . . . . . . . . . . . . . 234
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 385
N
NavigationConnected Services . . . . . . . . . . 478
New Vehicle Break-In . . . . . . . . . . . 204
Noise Control System . . . . . . . . . . 357
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 128 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 188 Driving . . . . . . . . . . . . . . . . . . . . . . . . 188
Recovery . . . . . . . . . . . . . . . . . . . . . 187
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 335
Engine Oil Life System . . . . . . . 337
Engine Oil Pressure Gauge . . . 130
Pressure Light . . . . . . . . . . . . . . . . 143
Older Children, Restraints . . . . . . . 82
Online Owner Center . . . . . . . . . . . 461
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 471
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 474
OnStar Emergency . . . . . . . . . . . . . 473
OnStar Overview . . . . . . . . . . . . . . . 472
OnStar Security . . . . . . . . . . . . . . . . 474
Operating Mode Overheated EngineProtection . . . . . . . . . . . . . . . . . . . 348
Operation Fog Lamps . . . . . . . . . . . . . . . . . . . 167
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . .118
Overheated Engine Protection Operating Mode . . . . 348