Replace brakes CHEVROLET BOLT EV 2020 Owner's Manual

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
120 Instruments and Controls
Timer :This display can be used as
a timer. To start the timer, press
V
while this display is active. The
display will show the amount of time
that has passed since the timer was
last reset. To stop the timer, press
V
briefly while this display is active
and the timer is running. To reset
the timer to zero, press and hold
V
while this display is active.
Follow Distance Indicator : The
current follow time to the vehicle
ahead is displayed as a time value
on this page.
Blank Page : The Blank Page
display allows for no information to
be displayed in the cluster info
display areas.
Vehicle Messages
Messages displayed on the DIC
indicate the status of the vehicle or
some action that may be needed to
correct a condition. Multiple
messages may appear one after
another.
The messages that do not require
immediate action can be
acknowledged and cleared by
pressing
V. The messages that
require immediate action cannot be
cleared until that action is
performed.
All messages should be taken
seriously; clearing the message
does not correct the problem.
If a SERVICE message appears,
see your dealer.
Follow the instructions given in the
messages. The system displays
messages regarding the following
topics:
. Service Messages
. Fluid Levels
. Vehicle Security .
Brakes
. Ride Control Systems
. Driver Assistance Systems
. Cruise Control
. Lighting and Bulb Replacement
. Wiper/Washer Systems
. Doors and Windows
. Seat Belts
. Airbag Systems
. Propulsion and Transmission
. Tire Pressure
. Battery
Propulsion Power
Messages
PROPULSION POWER IS
REDUCED
This message displays when the
propulsion power is reduced and
can affect the ability to accelerate.
The vehicle may be driven at a
reduced speed while this message
is on, but maximum acceleration
and speed may be reduced.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Driving and Operating 193
3. Press momentarily on the EPBswitch.
The EPB is released when the red
parking brake status light is off.
If the amber parking brake warning
light is on, release the EPB by
pressing down on the EPB switch
and holding it down. Continue to
hold the switch until the red parking
brake status light is off. If either light
stays on after release is attempted,
see your dealer.
Caution
Driving with the parking brake on
can overheat the brake system
and cause premature wear or
damage to brake system parts.
Make sure that the parking brake
is fully released and the brake
warning light is off before driving.
Automatic EPB Release
The EPB will automatically release if
the vehicle is running, placed into
gear, and an attempt is made to drive away. Avoid rapid acceleration
when the EPB is applied, to
preserve parking brake lining life.
Brake Assist
Brake Assist detects rapid brake
pedal applications due to
emergency braking situations and
provides additional braking to
activate the Antilock Brake System
(ABS) if the brake pedal is not
pushed hard enough to activate
ABS normally. Minor noise, brake
pedal pulsation, and/or pedal
movement during this time may
occur. Continue to apply the brake
pedal as the driving situation
dictates. Brake Assist disengages
when the brake pedal is released.
Hill Start Assist (HSA)
{Warning
Do not rely on the HSA feature.
HSA does not replace the need to
pay attention and drive safely.
(Continued)
Warning (Continued)
You may not hear or feel alerts or
warnings provided by this system.
Failure to use proper care when
driving may result in injury, death,
or vehicle damage. See
Defensive Driving0173.
When the vehicle is stopped on a
grade, Hill Start Assist (HSA)
prevents the vehicle from rolling in
an unintended direction during the
transition from brake pedal release
to accelerator pedal apply. The
brakes release when the accelerator
pedal is applied. If the accelerator
pedal is not applied within a few
minutes, the Electric Parking Brake
will apply. The brakes may also
release under other conditions. Do
not rely on HSA to hold the vehicle.
HSA is available when the vehicle is
facing uphill in a forward gear,
or when facing downhill in
R (Reverse). The vehicle must
come to a complete stop on a grade
for HSA to activate.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Driving and Operating 199
Driver Assistance
Systems
This vehicle may have features that
work together to help avoid crashes
or reduce crash damage while
driving, backing, and parking. Read
this entire section before using
these systems.
{Warning
Do not rely on the Driver
Assistance Systems. These
systems do not replace the need
for paying attention and driving
safely. You may not hear or see
alerts or warnings provided by
these systems. Failure to use
proper care when driving may
result in injury, death, or vehicle
damage. SeeDefensive Driving
0 173.
Under many conditions, these
systems will not: (Continued)
Warning (Continued)
.Detect children,
pedestrians, bicyclists,
or animals.
. Detect vehicles or objects
outside the area monitored
by the system.
. Work at all driving speeds.
. Warn you or provide you
with enough time to avoid a
crash.
. Work under poor visibility or
bad weather conditions.
. Work if the detection sensor
is not cleaned or is covered
by ice, snow, mud, or dirt.
. Work if the detection sensor
is covered up, such as with
a sticker, magnet, or metal
plate.
. Work if the area surrounding
the detection sensor is
damaged or not properly
repaired.
(Continued)
Warning (Continued)
Complete attention is always
required while driving, and you
should be ready to take action
and apply the brakes and/or steer
the vehicle to avoid crashes.
Audible Alert
Some driver assistance features
alert the driver of obstacles by
beeping. To change the volume of
the warning chime, see “Comfort
and Convenience” underVehicle
Personalization 0121.
Cleaning
Depending on vehicle options, keep
these areas of the vehicle clean to
ensure the best driver assistance
feature performance. Driver
Information Center (DIC) messages
may display when the systems are
unavailable or blocked.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
232 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . . . . . 233
California Proposition65 Warning . . . . . . . . . . . . . . . . . 233
California Perchlorate Materials Requirements . . . . . 234
Accessories and Modifications . . . . . . . . . . . . . . . . 234
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 234
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 235
Underhood Compartment Overview . . . . . . . . . . . . . . . . . . . . 237
Cooling System . . . . . . . . . . . . . . 238
Washer Fluid . . . . . . . . . . . . . . . . . 239
Brakes . . . . . . . . . . . . . . . . . . . . . . . 240
Brake Fluid . . . . . . . . . . . . . . . . . . . 241
Battery - North America . . . . . . 242
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 244
Wiper Blade Replacement . . . . 244
Windshield Replacement . . . . . 246
Gas Strut(s) . . . . . . . . . . . . . . . . . . 246
Headlamp Aiming
Front Headlamp Aiming . . . . . . 247
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 247
Halogen Bulbs . . . . . . . . . . . . . . . . 247
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 248
LED Lighting . . . . . . . . . . . . . . . . . 248
Taillamps, Turn Signal, Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . . . 248
License Plate Lamp . . . . . . . . . . 249
Electrical System
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . 249
Electrical System Overload . . . 250
Fuses and Circuit Breakers . . . 250
Underhood Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 251
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 255
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 257
All-Season Tires . . . . . . . . . . . . . . 257
Winter Tires . . . . . . . . . . . . . . . . . . 258
Self-Sealing Tires . . . . . . . . . . . . 258
Tire Sidewall Labeling . . . . . . . . 259
Tire Designations . . . . . . . . . . . . . 260 Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 260
Tire Pressure . . . . . . . . . . . . . . . . . 263
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 264
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 265
Tire Inspection . . . . . . . . . . . . . . . . 269
Tire Rotation . . . . . . . . . . . . . . . . . 269
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 270
Buying New Tires . . . . . . . . . . . . . 271
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 273
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 273
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 275
Wheel Replacement . . . . . . . . . . 275
Tire Chains . . . . . . . . . . . . . . . . . . . 276
If a Tire Goes Flat . . . . . . . . . . . . 276
Tire Sealant and Compressor Kit . . . . . . . . . . . . . 277
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . 283
Jump Starting
Jump Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . 284

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
240 Vehicle Care
Caution
.Do not use washer fluid that
contains any type of water
repellent coating. This can
cause the wiper blades to
chatter or skip.
. Do not use engine coolant
(antifreeze) in the
windshield washer. It can
damage the windshield
washer system and paint.
. Do not mix water with
ready-to-use washer fluid.
Water can cause the
solution to freeze and
damage the washer fluid
tank and other parts of the
washer system.
. When using concentrated
washer fluid, follow the
manufacturer instructions for
adding water.
. Fill the washer fluid tank
only three-quarters full when
it is very cold. This allows
(Continued)
Caution (Continued)
for fluid expansion if
freezing occurs, which could
damage the tank if it is
completely full.
Brakes
Disc brake pads have built-in wear
indicators that make a high-pitched
warning sound when the brake pads
are worn and new pads are needed.
The sound can come and go or can
be heard all the time when the
vehicle is moving, except when
applying the brake pedal firmly.
{Warning
The brake wear warning sound
means that soon the brakes will
not work well. That could lead to
a crash. When the brake wear
warning sound is heard, have the
vehicle serviced.
Caution
Continuing to drive with worn-out
brake pads could result in costly
brake repair.
Some driving conditions or climates
can cause a brake squeal when the
brakes are first applied or lightly
applied. 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 pads for wear and
evenly tighten wheel nuts in the
proper sequence to torque
specifications. See Capacities and
Specifications 0311.
Brake pads should be replaced as
complete 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.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Vehicle Care 241
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 expected can change
in many other ways if the wrong
replacement brake parts are
installed or if parts are improperly
installed.
Brake Fluid
The brake master cylinder reservoir
is filled with GM approved DOT 3
brake fluid as indicated on the
reservoir cap. SeeUnderhood
Compartment Overview 0237 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 0102.
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 0301.
What to Add
Use only GM approved DOT 3
brake fluid from a clean, sealed
container. See Recommended
Fluids and Lubricants 0307.
{Warning
The wrong or contaminated brake
fluid could result in damage to the
brake system. This could result in
the loss of braking leading to a
possible injury. Always use the
proper GM approved brake fluid.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
300 Service and Maintenance
Service and
Maintenance
General Information
General Information . . . . . . . . . . 300
Maintenance Schedule
Maintenance Schedule . . . . . . . 301
Owner Checks and Services
Owner Checks andServices . . . . . . . . . . . . . . . . . . . . 304
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . 304
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 307
Maintenance Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . 308
Maintenance Records
Maintenance Records . . . . . . . . 309
General Information
Your vehicle is an important
investment. This section describes
the required maintenance for the
vehicle. Follow this schedule to help
protect against major repair
expenses resulting from neglect or
inadequate maintenance. It may
also help to maintain the value of
the vehicle if it is sold. It is the
responsibility of the owner to have
all required maintenance performed.
Your dealer has trained technicians
who can perform required
maintenance using genuine
replacement parts. They have
up-to-date tools and equipment for
fast and accurate diagnostics. Many
dealers have extended evening and
Saturday hours, courtesy
transportation, and online
scheduling to assist with service
needs.
Your dealer recognizes the
importance of providing
competitively priced maintenance
and repair services. With trained
technicians, the dealer is the place for routine maintenance such as tire
rotations and additional
maintenance items like tires, brakes,
batteries, and wiper blades.
Caution
Damage caused by improper
maintenance can lead to costly
repairs and may not be covered
by the vehicle warranty.
Maintenance intervals, checks,
inspections, recommended fluids,
and lubricants are important to
keep the vehicle in good working
condition.
Do not have chemical flushes that
are not approved by GM
performed on the vehicle. The
use of flushes, solvents, cleaners,
or lubricants that are not
approved by GM could damage
the vehicle, requiring expensive
repairs that are not covered by
the vehicle warranty.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Customer Information 321
In a crash, the sensing system may
shut down the high voltage system.
SeeBattery - North America 0242
for important safety information.
If an airbag has inflated, see What
Will You See after an Airbag
Inflates? 051.
If the vehicle is damaged from a
crash, flood, fire, or other event it
may be necessary to have the
vehicle inspected. SeeBattery -
North America 0242 for important
safety information.
Managing the Vehicle Damage
Repair Process
In the event that the vehicle requires
damage repairs, GM recommends
that you take an active role in its
repair. If you have a pre-determined
repair facility of choice, take the
vehicle there, or have it towed there.
Specify to the facility that any
required replacement collision parts
be original equipment parts, either
new Genuine GM parts or recycled
original GM parts. Remember,
recycled parts will not be covered by
the GM vehicle warranty. Insurance pays the bill for the repair,
but you must live with the repair.
Depending on your policy limits,
your insurance company may
initially value the repair using
aftermarket parts. Discuss this with
the repair professional, and insist on
Genuine GM parts. Remember,
if the vehicle is leased, you may be
obligated to have the vehicle
repaired with Genuine GM parts,
even if your insurance coverage
does not pay the full cost.
If another party's insurance
company is paying for the repairs,
you are not obligated to accept a
repair valuation based on that
insurance company's collision policy
repair limits, as you have no
contractual limits with that company.
In such cases, you can have control
of the repair and parts choices as
long as the cost stays within
reasonable limits.
Publication Ordering
Information
Service Manuals
Service manuals have the diagnosis
and repair information on the
engine, transmission, axle,
suspension, brakes, electrical
system, steering system, body, etc.
Customer Literature
Owner
’s manuals are written
specifically for owners and are
intended to provide basic
operational information about the
vehicle. The owner ’s manual
includes the Maintenance Schedule
for all models.
Customer literature publications
available for purchase include
owner ’s manuals, warranty
manuals, infotainment manuals, and
portfolios. Portfolios include an
owner ’s manual, warranty manual,
infotainment manual, if applicable,
and zip lock bag or pouch.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
336 Index
ArmrestRear Seat . . . . . . . . . . . . . . . . . . . . . . 38
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 316
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 203
Assistance Systems for
Parking and Backing . . . . . . . . . . 200
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . 150
Theft-Deterrent Feature . . . . . . . 136
Automatic Climate Control System . . . . . . . 163
Door Locks . . . . . . . . . . . . . . . . . . . . . 19
Emergency Braking (AEB) . . . . 205
Headlamp System . . . . . . . . . . . . 131
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 149
B
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . 98Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 134
Power Protection . . . . . . . . . . . . . 134
Battery - North America . . . . 242, 284
Battery Gauge High Voltage . . . . . . . . . . . . . . . . . . . . 98
Blade Replacement, Wiper . . . . . 244 Bluetooth
Overview . . . . . . . . . . . . . . . . . . . . . 153
Bluetooth Audio . . . . . . . . . . . . . . . . 150
Brake Parking, Electric . . . . . . . . . . . . . . 192
System Warning Light . . . . . . . . 102
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Antilock . . . . . . . . . . . . . . . . . . . . . . . 191
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 193
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Regenerative Braking . . . . . . . . . 194
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 173 AutomaticEmergency (AEB) . . . . . . . . . . . 205
Braking System Front Pedestrian (FPB) . . . . . . . 207
Break-In, New Vehicle . . . . . . . . . . 182
Bulb Replacement Halogen Bulbs . . . . . . . . . . . . . . . . 247
Headlamp Aiming . . . . . . . . . . . . . 247
Headlamps . . . . . . . . . . . . . . . . . . . 247
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . 248
License Plate Lamps . . . . . . . . . 249
Taillamps, Turn Signal, Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 248
Buying New Tires . . . . . . . . . . . . . . . 271
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 89
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 234
California Proposition
65 Warning . . . . . . . . . .233, 242, 284, Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 311
Carbon Monoxide Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 21
Winter Driving . . . . . . . . . . . . . . . . 177
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Management System . . . . . . . . . . . 83
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . . 82
Chains, Tire . . . . . . . . . . . . . . . . . . . . 276
Charge Cord . . . . . . . . . . . . . . . . . . . . 222
Charging Delay Override . . . . . . . . . . . . . . . 217
Electrical Requirements . . . . . . 229
Plug-In . . . . . . . . . . . . . . . . . . . . . . . 214
Programmable . . . . . . . . . . . . . . . . 107
Utility Interruption . . . . . . . . . . . . . 228