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Caution
Continuing to drive with worn-out brake
linings could result in costly brake
repairs.
Some driving conditions or climates can
cause a brake squeal when the brakes are
first applied, clearing up following several
applications. This does not mean something
is wrong with the brakes.
Properly torqued wheel nuts are necessary
to help prevent brake pulsation. When tires
are rotated, inspect brake linings for wear
and evenly tighten wheel nuts in the proper
sequence to torque specifications. See
Capacities and Specifications 0395.
Brake pads should be replaced as complete
axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not
return to normal height, or if there is a
rapid increase in pedal travel. This could be
a sign that brake service may be required.
Replacing Brake System Parts
Always replace brake system parts with
new, approved replacement parts. If this is
not done, the brakes may not work
properly. The braking performance can
change in many ways if the wrong brake
parts are installed or if parts are improperly
installed.
Brake Fluid
The brake master cylinder reservoir is filled
with GM approved DOT 4 brake fluid as
indicated on the reservoir cap. See
Underhood Compartment Overview 0325 for
the location of the reservoir.
Checking Brake Fluid
With the vehicle in P (Park) on a level
surface, the brake fluid level should be
between the minimum and maximum marks
on the brake fluid reservoir. There are only two reasons why the brake
fluid level in the reservoir may go down:
.Normal brake lining wear. When new
linings are installed, the fluid level goes
back up.
.A fluid leak in the brake hydraulic system.
Have the brake hydraulic system fixed.
With a leak, the brakes will not
work well.
Always clean the brake fluid reservoir cap
and the area around the cap before
removing it.
Do not top off the brake fluid. Adding fluid
does not correct a leak. If fluid is added
when the linings are worn, there will be too
much fluid when new brake linings are
installed. Add or remove fluid, as necessary,
only when work is done on the brake
hydraulic system.
When the brake fluid falls to a low level,
the brake warning light comes on. See Brake
System Warning Light 0115.
Brake fluid absorbs water over time which
degrades the effectiveness of the brake fluid.
Replace brake fluid at the specified intervals
to prevent increased stopping distance. See
Maintenance Schedule 0389.
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Headlamp Aiming
Front Headlamp Aiming
Headlamp aim has been preset and should
need no further adjustment.
If the vehicle is damaged in a crash, the
headlamp aim may be affected.
If adjustment to the headlamps is necessary,
see your dealer.
Bulb Replacement
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.
Electrical System
High Voltage Devices and Wiring
{Warning
Exposure to high voltage can cause shock,
burns, and even death. The high voltage
components in the vehicle can only be
serviced by technicians with special
training.
High voltage components are identified
by labels. Do not remove, open, take
apart, or modify these components. High
voltage cable or wiring has orange
covering or labels. Do not probe, tamper
with, cut, or modify high voltage cable or
wiring.
Electrical System Overload
The vehicle has fuses and circuit breakers to
protect against an electrical system
overload.
When the current electrical load is too
heavy, the circuit breaker opens and closes,
protecting the circuit until the current load
returns to normal or the problem is fixed.This greatly reduces the chance of circuit
overload and fire caused by electrical
problems.
Fuses and circuit breakers protect the wires
that provide the power to the devices in
your vehicle.
If there is a problem on the road and a fuse
needs to be replaced, the same amperage
fuse can be borrowed. Choose some feature
of the vehicle that is not needed to use and
replace it as soon as possible.
To check a fuse, look at the band inside the
fuse. If the band is broken or melted,
replace the fuse. Be sure to replace a bad
fuse with a fuse of the identical size and
rating.
Chevrolet Silverado EV Owner Manual (GMNA-Localizing-U.S./Canada-
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338 Vehicle Care
FusesUsage
F01 –
F02 – Fuses
Usage
F03 –
F04 – Fuses
Usage
F05 –
F06 ACEC –Air Conditioning
Electric Compressor
F07 ESSCP –Energy Storage
System Coolant Pump
F08 –
F09 PECP –Power Electric
Cooling Pump
F10 –
F11 –
F12 –
F13 TRLR_HD –Trailer
Headlamps
F14 –
F15 VLM –Vehicle Leveling
Module
Spare
F16 –
F17 ELM 1 –Exterior lighting
Module 1
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340 Vehicle Care
FusesUsage
F66 –
F67 EMB/GRILL LIGHT
F68 HDLP_LT
F69 MIDGATE LEFT MOTOR F70 EBCM 1 F71 DC/AC INV
F72 Spare
F73 –
F74 –
F75 Spare
F76 HDLP_RT F77 –
F78 MIDGATE CROSS BAR MOTOR 2
MIDGATE CROSS BAR
MOTOR 1
F79 PCV_PEEV_ALD FR RADAR/VIRTUAL KEY
F80 IECR 2 F81 IECL 1 Fuses
Usage
F82 –
F83 –
F84 V2LIM F85 Spare HVS (HIGH VOLTAGE
SERVICE DISCONNECT)
F86 HORN F87 FRT WSHR PMP
F88 –
F89 –
F90 –
F91 –Instrument Panel Fuse Block (Left)
The instrument panel fuse block is on the
driver side of the instrument panel, between
the steering wheel and the door. To access
the fuses, remove the panel, starting at the
bottom. Once clips are disengaged, the tabs
along the top of the door can be disengaged
from the instrument panel to remove
the door.
To reinstall the door, place the top tabs into
the slots, and rotate the door into position,
engaging the clips.
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Vehicle Care 341
The vehicle may not be equipped with all of
the fuses, relays, and features shown.
FusesUsage
F01 DRIVER_PWR_ST
F02 VKS_TTPM
F03 VECM
F04 BCM 1 –Body Control
Module 1
F05 ELM 5 –Exterior Lighting
Module 5
F06 PASSENGER DSP Fuses
Usage
F07 SPARE
F08 TCP –Telematics Control
Platform
F09 4W_Co_Driver PWR LUMBAR
SPARE
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342 Vehicle Care
FusesUsage
F10 WCM_VKM –Wireless
Charger Module
TVR_APA_PFA
F11 2ND HTD SEAT –2nd Row
Heated Seat
2ND HTD SEAT –2nd Row
Heated Seat 1
F12 SPARE
F13 TPIM TPIM 2
F14 SPARE F15 SPARE
F16 Tonneau Accessory F17 SDM_AOS SRR
F18 SPARE
F19 SPARE
F20 OBCM 2 MSM
F21 HSM ROW HSM ROW 1 Fuses
Usage
F22 SPARE
F23 MJR END HIGH
F24 TPIM 1 & VBAT 1 –Traction
Power Inverter Module 1
F25 SPARE
F26 TPIM 2 & VBAT 1 –Traction
Power Inverter Module 1
F27 DSP
F28 ELM 7 –Exterior Lighting
Module 7
F29 SPARE
F30 MJR END LOW F31 ELM 2 –Exterior Lighting
Module 2
F32 RFR/PLCM
F33 MIDGATE CONTROL LOW
F34 ACP_VPM F35 AMP –Amplifier
F36 CO-DRVR_PWR_ST F37 SPARE Fuses
Usage
F38 ELM 6 –Exterior Lighting
Module 6
F39 RT WNDW –Right Hand
Power Window
F40 LT WNDW –Left Hand
Power Window
Circuit
Breakers Usage
CB01 –
CB02 –
Instrument Panel Fuse Block
(Right)
The instrument panel fuse block is located
behind the glove box. It is accessible by
removing the hush panel located underneath
the glove box. To remove the hush panel,
remove the four push-pins that secure the
hush panel.
Chevrolet Silverado EV Owner Manual (GMNA-Localizing-U.S./Canada-
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346 Vehicle Care
With winter tires, there may be decreased
dry road traction, increased road noise, and
shorter tread life. After changing to winter
tires, be alert for changes in vehicle
handling and braking.
If using winter tires:
.Use tires of the same brand and tread
type on all four wheel positions.
.Use only radial ply tires of the same size,
load range, and speed rating as the
original equipment tires.
Winter tires with the same speed rating as
the original equipment tires may not be
available for H, V, W, Y, and ZR speed rated
tires. If winter tires with a lower speed
rating are chosen, never exceed the tire's
maximum speed capability.
Tire Sidewall Labeling
Useful information about a tire is
molded into its sidewall. The example
shows a typical light truck tire sidewall.
Light Truck (LT-Metric) Tire
(1) Tire Size:The tire size code is a
combination of letters and numbers
used to define a particular tire's width,
height, aspect ratio, construction type,
and service description. See the “Tire
Size” illustration later in this section for
more detail.
(2) TPC Spec (Tire Performance Criteria
Specification)
:Original equipment tires
designed to GM's specific tire
performance criteria have a TPC
specification code molded onto the
sidewall. GM's TPC specifications meet
or exceed all federal safety guidelines. (3) Dual Tire Maximum Load
:
Maximum load that can be carried and
the maximum pressure needed to
support that load when used in a dual
configuration. For information on
recommended tire pressure see
Tire
Pressure 0349 and
Vehicle Load Limits 0193.
(4) DOT (Department of
Transportation)
:The Department of
Transportation (DOT) code indicates that
the tire is in compliance with the U.S.
Department of Transportation Motor
Vehicle Safety Standards.
DOT Tire Date of Manufacture
:The last
four digits of the TIN indicate the tire
manufactured date. The first two digits
represent the week and the last two
digits, the year. For example, the third
week of the year 2020 would have a
4-digit DOT date of 0320. Week 01 is
the first full week (Sunday through
Saturday) of each year.
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(5) Tire Identification Number (TIN):
The letters and numbers following the
DOT code are the Tire Identification
Number (TIN). The TIN shows the
manufacturer and plant code, tire size,
and date the tire was manufactured.
The TIN is molded onto both sides of
the tire, although only one side may
have the date of manufacture.
(6) Tire Ply Material
:The type of cord
and number of plies in the sidewall and
under the tread.
(7) Single Tire Maximum Load
:
Maximum load that can be carried and
the maximum pressure needed to
support that load when used as a
single. For information on
recommended tire pressure see Tire
Pressure 0349 and
Vehicle Load Limits 0193.
Tire Designations
Tire Size
The examples show a typical light truck
tire size.
Light Truck (LT-Metric) Tire
(1) Light Truck (LT-Metric) Tire:The
United States version of a metric tire
sizing system. The letters LT as the first
two characters in the tire size mean a
light truck tire engineered to standards
set by the U.S. Tire and Rim
Association.
(2) Tire Width
:The 3-digit number
indicates the tire section width in
millimeters from sidewall to sidewall.
(3) Aspect Ratio
:A 2-digit number that
indicates the tire height-to-width
measurements. For example, if the tire
size aspect ratio is 75, as shown in
item (3) of the light truck (LT-Metric)
tire illustration, it would mean that the
tire's sidewall is 75 percent as high as it
is wide. (4) Construction Code
:A letter code is
used to indicate the type of ply
construction in the tire. The letter R
means radial ply construction; the
letter D means diagonal or bias ply
construction.
(5) Rim Diameter
:Diameter of the
wheel in inches.
(6) Load Range
:Load Range.
(7) Service Description
:The service
description indicates the load index and
speed rating of a tire. If two numbers
are given as in the example, 120/116,
then this represents the load index for
single versus dual wheel usage (single/
dual). The speed rating is the maximum
speed a tire is certified to carry a load.
Tire Terminology and Definitions
Air Pressure:The amount of air inside
the tire pressing outward on each
square inch of the tire. Air pressure is
expressed in kPa (kilopascal) or psi
(pounds per square inch).
Aspect Ratio
:The relationship of a
tire's height to its width.