2023 CHEVROLET BOLT EV tire size

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
240 Vehicle Care
Remove the valve cap from the tire
valve stem. Press the tire gauge firmly
onto the valve to get a pressure
measurement. If the cold tire inflation
pressure matches the recommended
pressure on the Tire and Loading
Information label, no further adjustment
is necessary. If the inflation pressure is
low, add air until the recommended
pressure is reached. If the inflation
pressure is high, press on the metal
stem in the center of the tire valve to
release air.
Recheck the tire pressure with the tire
gauge.
Put the valve caps back on the valve
stems to keep out dirt and moisture.
Use only valve caps designed for the
vehicle by GM. TPMS sensors could be
damaged and would not be covered by
the vehicle warranty.
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS)
uses radio and sensor technology to check
tire pressure levels. The TPMS sensorsmonitor the air pressure in your tires and
transmit tire pressure readings to a receiver
located in the vehicle.
Each tire, including the spare (if provided),
should be checked monthly when cold and
inflated to the inflation pressure
recommended by the vehicle manufacturer
on the vehicle placard or tire inflation
pressure label. (If your vehicle has tires of a
different size than the size indicated on the
vehicle placard or tire inflation pressure
label, you should determine the proper tire
inflation pressure for those tires.)
As an added safety feature, your vehicle has
been equipped with a tire pressure
monitoring system (TPMS) that illuminates a
low tire pressure telltale when one or more
of your tires is significantly under-inflated.
Accordingly, when the low tire pressure
telltale illuminates, you should stop and
check your tires as soon as possible, and
inflate them to the proper pressure. Driving
on a significantly under-inflated tire causes
the tire to overheat and can lead to tire
failure. Under-inflation also reduces energy
efficiency and tire tread life, and may affect
the vehicle's handling and stopping ability.
Please note that the TPMS is not a
substitute for proper tire maintenance, and
it is the driver's responsibility to maintain
correct tire pressure, even if under-inflation
has not reached the level to trigger
illumination of the TPMS low tire pressure
telltale.
Your vehicle has also been equipped with a
TPMS malfunction indicator to indicate when
the system is not operating properly. The
TPMS malfunction indicator is combined
with the low tire pressure telltale. When the
system detects a malfunction, the telltale
will flash for approximately one minute and
then remain continuously illuminated. This
sequence will continue upon subsequent
vehicle start-ups as long as the malfunction
exists.
When the malfunction indicator is
illuminated, the system may not be able to
detect or signal low tire pressure as
intended. TPMS malfunctions may occur for
a variety of reasons, including the
installation of replacement or alternate tires
or wheels on the vehicle that prevent the
TPMS from functioning properly. Always
check the TPMS malfunction telltale after
replacing one or more tires or wheels on

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 241
your vehicle to ensure that the replacement
or alternate tires and wheels allow the
TPMS to continue to function properly.
SeeTire Pressure Monitor Operation 0241.
See Radio Frequency Statement 0286.
Tire Pressure Monitor Operation
This vehicle may have a Tire Pressure
Monitor System (TPMS). The TPMS is
designed to warn the driver when a low tire
pressure condition exists. TPMS sensors are
mounted onto each tire and wheel
assembly, excluding the spare tire and
wheel assembly. The TPMS sensors monitor
the air pressure in the tires and transmits
the tire pressure readings to a receiver
located in the vehicle.
When a low tire pressure condition is
detected, the TPMS illuminates the low tire
pressure warning light located on the
instrument cluster. If the warning light
comes on, stop as soon as possible and inflate the tires to the recommended
pressure shown on the Tire and Loading
Information label. See
Vehicle Load Limits
0 158.
A message to check the pressure in a
specific tire displays in the Driver
Information Center (DIC). The low tire
pressure warning light and the DIC warning
message come on each time the vehicle is
started, until the tires are inflated to the
correct inflation pressure. Using the DIC, tire
pressure levels can be viewed. For additional
information and details about the DIC
operation and displays see Driver
Information Center (DIC) 099.
The low tire pressure warning light may
come on in cool weather when the vehicle is
first started, and then turn off as the vehicle
is driven. This could be an early indicator
that the air pressure is getting low and
needs to be inflated to the proper pressure.
A Tire and Loading Information label,
attached to your vehicle, shows the size of
the original equipment tires and the correct
inflation pressure for the tires when they
are cold. See Vehicle Load Limits 0158, for
an example of the Tire and Loading
Information label and its location. Also see
Tire Pressure 0239. The TPMS can warn about a low tire
pressure condition but it does not replace
normal tire maintenance. See
Tire Inspection
0 244, Tire Rotation 0244, and Tires0234.
Caution
Tire sealant materials are not all the
same. A non-approved tire sealant could
damage the TPMS sensors. TPMS sensor
damage caused by using an incorrect tire
sealant is not covered by the vehicle
warranty. Always use only the GM
approved tire sealant available through
your dealer or included in the vehicle.
Factory-installed Tire Inflator Kits use a
GM-approved liquid tire sealant. Using
non-approved tire sealants could damage the
TPMS sensors. See Tire Sealant and
Compressor Kit 0250 for information
regarding the inflator kit materials and
instructions.
TPMS Malfunction Light and Message
The TPMS will not function properly if one
or more of the TPMS sensors are missing or
inoperable. When the system detects a
malfunction, the low tire warning light
flashes for about one minute and then stays
on until the vehicle is turned off. A DIC

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
244 Vehicle Care
10. Proceed to the driver side rear tire, andrepeat the procedure in Step 7. The horn
sounds two times to indicate the sensor
identification code has been matched to
the driver side rear tire, and the TPMS
sensor matching process is no longer
active. The TIRE LEARNING ACTIVE
message on the DIC display screen
goes off.
11. Turn the vehicle off.
12. Set all four tires to the recommended air pressure level as indicated on the Tire
and Loading Information label.
Tire Inspection
We recommend that the tires, including
the spare tire, if the vehicle has one, be
inspected for signs of wear or damage
at least once a month.
Replace the tire if:
.The indicators at three or more
places around the tire can be seen.
.There is cord or fabric showing
through the tire's rubber.
.The tread or sidewall is cracked, cut,
or snagged deep enough to show
cord or fabric.
.The tire has a bump, bulge, or split.
.The tire has a puncture, cut, or other
damage that cannot be repaired well
because of the size or location of the
damage.
Tire Rotation
Tires should be rotated according to the
interval listed in the Maintenance
Schedule. See Maintenance Schedule
0 271.
Tires are rotated to achieve a more
uniform wear for all tires. The first
rotation is the most important.
Anytime unusual wear is noticed, rotate
the tires as soon as possible, check for
proper tire inflation pressure, and check
for damaged tires or wheels. If the
unusual wear continues after the
rotation, check the wheel alignment.
See When It Is Time for New Tires 0245
and Wheel Replacement 0248.
Use this rotation pattern when rotating
the tires.
Adjust the front and rear tires to the
recommended inflation pressure on
the Tire and Loading Information label
after the tires have been rotated.
See Tire Pressure 0239 and
Vehicle Load Limits 0158.
Reset the Tire Pressure Monitor System.
See Tire Pressure Monitor Operation
0 241.
Check that all wheel nuts are properly
tightened. See “Wheel Nut Torque”
under Capacities and Specifications
0 277.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
246 Vehicle Care
Buying New Tires
GM has developed and matched specific
tires for the vehicle. The original
equipment tires installed were designed
to meet General Motors Tire
Performance Criteria Specification (TPC
Spec) system rating. When replacement
tires are needed, GM strongly
recommends buying tires with the same
TPC Spec rating.
GM's exclusive TPC Spec system
considers over a dozen critical
specifications that impact the overall
performance of the vehicle, including
brake system performance, ride and
handling, traction control, and tire
pressure monitoring performance. GM's
TPC Spec number is molded onto the
tire's sidewall near the tire size. If the
tires have an all-season tread design,
the TPC Spec number will be followed
by MS for mud and snow. SeeTire
Sidewall Labeling 0236 for additional
information. GM recommends replacing worn tires in
complete sets of four. Uniform tread
depth on all tires will help to maintain
the performance of the vehicle. Braking
and handling performance may be
adversely affected if all the tires are not
replaced at the same time. If proper
rotation and maintenance have been
done, all four tires should wear out at
about the same time. However, if it is
necessary to replace only one axle set
of worn tires, place the new tires on
the rear axle. See
Tire Rotation0244.
{Warning
Tires could explode during improper
service. Attempting to mount or
dismount a tire could cause injury or
death. Only your dealer or authorized
tire service center should mount or
dismount the tires.
{Warning
Mixing tires of different sizes (other
than those originally installed on the
vehicle), brands, tread patterns,
or types may cause loss of vehicle
control, resulting in a crash or other
vehicle damage. Use the correct size,
brand, and type of tire on all wheels.
{Warning
Using bias-ply tires on the vehicle
may cause the wheel rim flanges to
develop cracks after many miles of
driving. A tire and/or wheel could fail
suddenly and cause a crash. Use only
radial-ply tires with the wheels on
the vehicle.
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. Never exceed the
winter tires’ maximum speed capability
when using winter tires with a lower
speed rating.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 247
If the vehicle tires must be replaced
with a tire that does not have a TPC
Spec number, make sure they are the
same size, load range, speed rating, and
construction (radial) as the original
tires.
The Tire and Loading Information label
indicates the original equipment tires
on the vehicle. SeeVehicle Load Limits
0 158.
Different Size Tires and Wheels
If wheels or tires are installed that are a
different size than the original equipment
wheels and tires, vehicle performance,
including its braking, ride and handling
characteristics, stability, and resistance to
rollover may be affected. If the vehicle has
electronic systems such as antilock brakes,
rollover airbags, traction control, electronic
stability control, or All-Wheel Drive, the
performance of these systems can also be
affected.
{Warning
If different sized wheels are used, there
may not be an acceptable level of
performance and safety if tires not
recommended for those wheels are
selected. This increases the chance of a
crash and serious injury. Only use GM
specific wheel and tire systems developed
for the vehicle, and have them properly
installed by a GM certified technician.
See Buying New Tires 0246 and
Accessories and Modifications 0213.
Uniform Tire Quality Grading
The following information relates to the
system developed by the United States
National Highway Traffic Safety
Administration (NHTSA), which grades
tires by treadwear, traction, and
temperature performance. This applies
only to vehicles sold in the United
States. The grades are molded on the
sidewalls of most passenger car tires.
The Uniform Tire Quality Grading
(UTQG) system does not apply to deep
tread, winter tires, compact spare tires, tires with nominal rim diameters of
10 to 12 inches (25 to 30 cm), or to some
limited-production tires.
While the tires available on General
Motors passenger cars and light trucks
may vary with respect to these grades,
they must also conform to federal
safety requirements and additional
General Motors Tire Performance
Criteria (TPC) standards.
Quality grades can be found where
applicable on the tire sidewall between
tread shoulder and maximum section
width. For example:Treadwear 200 Traction AA Temperature A
All Passenger Car Tires Must Conform to
Federal Safety Requirements In Addition
To These Grades.
Treadwear
The treadwear grade is a comparative
rating based on the wear rate of the
tire when tested under controlled
conditions on a specified government
test course. For example, a tire graded
150 would wear one and one-half (1½)

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 249
Your dealer will know the kind of wheel that
is needed.
Each new wheel should have the same
load-carrying capacity, diameter, width,
offset, and be mounted the same way as
the one it replaces.
Replace wheels, wheel bolts, wheel nuts,
or Tire Pressure Monitor System (TPMS)
sensors with new GM original equipment
parts.
{Warning
Using the wrong replacement wheels,
wheel bolts, or wheel nuts can be
dangerous. It could affect the braking and
handling of the vehicle. Tires can lose air
and cause loss of control, resulting in a
crash. Always use the correct wheel,
wheel bolts, and wheel nuts for
replacement.
{Warning
Replacing a wheel with a used one is
dangerous. How it has been used or how
far it has been driven may be unknown.(Continued)
Warning (Continued)
It could fail suddenly and cause a crash.
When replacing wheels, use a new GM
original equipment wheel.
Caution
The wrong wheel can also cause
problems with bearing life, brake cooling,
speedometer or odometer calibration,
headlamp aim, bumper height, vehicle
ground clearance, and tire or tire chain
clearance to the body and chassis.
Tire Chains
{Warning
Do not use tire chains. There is not
enough clearance. Tire chains used on a
vehicle without the proper amount of
clearance can cause damage to the
brakes, suspension, or other vehicle parts.
The area damaged by the tire chains
could cause loss of control and a crash.(Continued)
Warning (Continued)
Use another type of traction device only
if its manufacturer recommends it for the
vehicle's tire size combination and road
conditions. Follow that manufacturer's
instructions. To avoid vehicle damage,
drive slowly and readjust or remove the
traction device if it contacts the vehicle.
Do not spin the wheels. If traction
devices are used, install them on the tires
of the drive axle only.
If a Tire Goes Flat
It is unusual for a tire to blow out while
driving, especially if the tires are maintained
properly. SeeTires0234. If air goes out of
a tire, it is much more likely to leak out
slowly. But if there is ever a blowout, here
are a few tips about what to expect and
what to do.
If a front tire fails, the flat tire creates a
drag that pulls the vehicle toward that side.
Take your foot off the accelerator pedal and
grip the steering wheel firmly. Steer to
maintain lane position, and then gently
brake to a stop, well off the road,
if possible.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Index 305
StabiliTrakOFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Start Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Starting and Stopping the Vehicle . . . . . . . 162
Status Charging Feedback . . . . . . . . . . . . . . . . . . . . . 201
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . 73
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 111
Storage Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 69
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Storage Areas Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Cargo Management System . . . . . . . . . . . . . 71
Storing the Tire Sealant and
Compressor Kit . . . . . . . . . . . . . . . . . . . . . . . . . 255
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Surround Vision System . . . . . . . . . . . . . . . . . .185
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 System
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 183
Forward Collision Alert (FCA) . . . . . . . . . . . 189
Rear Cross Traffic Alert . . . . . . . . . . . . . . . . 188
Surround Vision . . . . . . . . . . . . . . . . . . . . . . . . 185
T
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Text Telephone (TTY) Users . . . . . . . . . . . . . . 280
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . 20Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 246
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 247
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 249
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Pressure Monitor Operation . . . . . . . . . . . 241
Pressure Monitor System . . . . . . . . . . . . . . 240
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Sealant and Compressor Kit . . . . . . . . . . . . 250 Tires (cont'd)
Sealant and Compressor Kit,
Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Self-Sealing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 236
Terminology and Definitions . . . . . . . . . . . 237
Uniform Tire Quality Grading . . . . . . . . . . 247
Wheel Alignment and Tire Balance . . . . 248
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 248
When It Is Time for New Tires . . . . . . . . . 245
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Towing
General Information . . . . . . . . . . . . . . . . . . . . 211
Recreational Vehicle . . . . . . . . . . . . . . . . . . . 260
Traction Control System (TCS)/StabiliTrak
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Control/Electronic Stability Control . . . . . 171
Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Trademarks and License Agreements . . . . . .138
Transportation Program, Courtesy . . . . . . . 282
Transporting a Disabled Vehicle . . . . . . . . . . . . . . . . . . . . . 258
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
TTY Users Customer Assistance . . . . . . . . . . . . . . . . . . . 280
Turn and Lane-Change Signals . . . . . . . . . . . 106

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
306 Index
U
UnderhoodCompartment Fuse Block . . . . . . . . . . . . . . 229
Compartment Overview . . . . . . . . . . . . . . . . 216
Uniform Tire Quality Grading . . . . . . . . . . . . 247
Updates
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Using Infotainment System . . . . . . . . . . . . . . . . . . . 112
This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Utility Interruption of Charging . . . . . . . . . . 210
V
Vehicle Ahead Indicator . . . . . . . . . . . . . . . . . . . . . . . . . 87
Alarm System . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Canadian Owners . . . . . . . . . . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Data Recording and Privacy . . . . . . . . . . . . 287
Identification Number (VIN) . . . . . . . . . . . . 276
Load Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Ready Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Service Soon Light . . . . . . . . . . . . . . . . . . . . . . 85
Speed Messages . . . . . . . . . . . . . . . . . . . . . . . 102
Starting and Stopping . . . . . . . . . . . . . . . . . 162 Vehicle (cont'd)
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Vehicle Care Storing the Tire Sealant andCompressor Kit . . . . . . . . . . . . . . . . . . . . . . . 255
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Ventilation, Air . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Voice Recognition . . . . . . . . . . . . . . . . . . . . . . . . . 121
Voltage Devices and Wiring . . . . . . . . . . . . . 227
W
Warning
Brake System Light . . . . . . . . . . . . . . . . . . . . . 85
Caution and Danger . . . . . . . . . . . . . . . . . . . . . 2
Hazard Flashers . . . . . . . . . . . . . . . . . . . . . . . . 106
Lights, Gauges, and Indicators . . . . . . . . . . 79
Washer Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
Wheels Alignment and Tire Balance . . . . . . . . . . . . 248
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
When It Is Time for New Tires . . . . . . . . . . . 245
When to Charge . . . . . . . . . . . . . . . . . . . . . . . . . 196
Where to Put the Restraint . . . . . . . . . . . . . . . 54
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Windshield
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Wiper
Blade Replacement . . . . . . . . . . . . . . . . . . . . 222
Rear Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Wireless Charging . . . . . . . . . . . . . . . . . . . . . . . . 76
Wiring, High Voltage Devices . . . . . . . . . . . . 227