2018 BUICK ENCLAVE wheel size

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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312 Vehicle Care
load range, speed rating, and
construction (radial) as the
original tires.
Vehicles that have a tire
pressure monitoring system
could give an inaccurate
low-pressure warning if non-TPC
Spec rated tires are installed.
SeeTire Pressure Monitor
System 0303.
The Tire and Loading
Information label indicates the
original equipment tires on the
vehicle. See Vehicle Load Limits
0 196.
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 0310 and
Accessories and Modifications
0 265.
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.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Used Replacement Wheels
{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. It could
fail suddenly and cause a crash.
When replacing wheels, use a
new GM original equipment
wheel.
Tire Chains
{Warning
If the vehicle has a tire size other
than 255/65R18, 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(Continued)
Warning (Continued)
cause loss of control and a crash.
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 slow
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 front tires.
Caution
If the vehicle is equipped with
255/65R18 size tires, use tire
chains only where legal and only
when necessary. Use low profile
chains that add no more than
12 mm thickness to the tire tread
and inner sidewall. Use chains
(Continued)
Caution (Continued)
that are the proper size for the
tires. Install them on the tires of
the front axle. Do not use chains
on the tires of the rear axle.
Tighten them as tightly as
possible with the ends securely
fastened. Drive slowly and follow
the chain manufacturer's
instructions. If the chains contact
the vehicle, stop and retighten
them. If the contact continues,
slow down until it stops. Driving
too fast or spinning the wheels
with chains on will damage the
vehicle.
If a Tire Goes Flat
It is unusual for a tire to blow out
while driving, especially if the tires
are maintained properly. See Tires
0 295. If air goes out of a tire, it is
much more likely to leak out slowly.
But if there ever is a blowout, here
are a few tips about what to expect
and what to do:

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 321
14. Tighten the wheel nuts firmly ina crisscross sequence, as
shown.
15. Lower the jack all the way and remove the jack from under the
vehicle.
16. Tighten the wheel nuts firmly with the wheel wrench.
When reinstalling the wheel cover or
center cap on the full-size tire,
tighten all six plastic caps hand
snug with the aid of the wheel
wrench and tighten them with the
wheel wrench an additional
one-quarter of a turn.
Caution
Wheel covers will not fit on the
vehicle's compact spare. If you try
to put a wheel cover on the
compact spare, the cover or the
spare could be damaged.
{Warning
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
Storing the Flat Tire
1. Liftgate Hinges
2. Cable
3. Center of the Wheel
4. Door Striker

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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322 Vehicle Care
To store the flat tire:
1. Remove the cable packagefrom under the spare tire, jack,
and tools.
2. Remove the small cap by tapping the back of the cap
with the extension of the shaft,
if the vehicle has aluminum
wheels.
3. Put the flat tire in the rear storage area with the valve
stem facing the rear of the
vehicle. 4. Pull the cable through the door
striker and the center of the
wheel.
5. Lower the liftgate enough to be
able to hook the cable onto the
outside portion of the liftgate
hinges.
6. Hook the other end of the cable onto the outside portion of the
liftgate hinge on the other side
of the vehicle.
7. Pull on the cable to make sure it is secure.
8. Make sure the metal tube iscentered at the striker. Push
the tube toward the front of the
vehicle.
9. Close the liftgate and make sure it is fully latched.
The compact spare is for temporary
use only. Replace the compact
spare tire with a full-size tire as
soon as you can.
Storing the Compact Spare
Tire and Tools
To store the spare tire and tools: 1. Open the liftgate. See Liftgate
0 42.

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2. Lift the load floor.
3. Remove the cargomanagement system.
4. Put back the spare tire and all tools as they were stored in the
rear storage compartment.
5. Install the cargo management system and load floor.
The compact spare is for temporary
use only. Replace the compact
spare tire with a full-size tire as
soon as you can.
Compact Spare Tire
{Warning
Driving with more than one
compact spare tire at a time could
result in loss of braking and
handling. This could lead to a
crash and you or others could be
injured. Use only one compact
spare tire at a time. If this vehicle has a compact spare
tire, it was fully inflated when new;
however, it can lose air over time.
Check the inflation pressure
regularly. It should be 420 kPa
(60 psi).
Stop as soon as possible and check
that the spare tire is correctly
inflated after being installed on the
vehicle. The compact spare tire is
designed for temporary use only.
The vehicle will perform differently
with the spare tire installed and it is
recommended that the vehicle
speed be limited to 80 km/h
(50 mph). To conserve the tread of
the spare tire, have the standard tire
repaired or replaced as soon as
convenient and return the spare tire
to the storage area.
When using a compact spare tire,
the ABS and Traction Control
systems may engage until the spare
tire is recognized by the vehicle,
especially on slippery roads. Adjust
driving to reduce possible
wheel slip. Performance of the All-Wheel
Drive (AWD) system will be
automatically reduced to protect the
system when using the compact
spare. To restore the AWD and
prevent excessive wear on the
clutch in the AWD, replace the
compact spare tire with a full-size
tire as soon as possible.
Caution
When the compact spare is
installed, do not take the vehicle
through an automatic car wash
with guide rails. The compact
spare can get caught on the rails
which can damage the tire, wheel,
and other parts of the vehicle.
Do not use the compact spare on
other vehicles.
Do not mix the compact spare tire or
wheel with other wheels or tires.
They will not fit. Keep the spare tire
and its wheel together.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10999311) - 2018 - crc - 11/20/17
390 Index
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295All-Season . . . . . . . . . . . . . . . . . . . . 296
Buying New Tires . . . . . . . . . . . . . 310
Chains . . . . . . . . . . . . . . . . . . . . . . . . 315
Changing . . . . . . . . . . . . . . . . . . . . . 317
Compact Spare . . . . . . . . . . . . . . . 323
Designations . . . . . . . . . . . . . . . . . 298
Different Size . . . . . . . . . . . . . . . . . 312
If a Tire Goes Flat . . . . . . . . . . . . 315
Inspection . . . . . . . . . . . . . . . . . . . . 308
Pressure . . . . . . . . . . . . . . . . . 302, 303
Pressure Light . . . . . . . . . . . . . . . . 145
Pressure Monitor Operation . . 304
Pressure Monitor System . . . . . 303
Rotation . . . . . . . . . . . . . . . . . . . . . . 309
Sidewall Labeling . . . . . . . . . . . . . 296
Terminology and Definitions . . 299
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 312
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 314
Wheel Replacement . . . . . . . . . . 314
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 310
Winter . . . . . . . . . . . . . . . . . . . . . . . . 296
Tow/Haul Mode . . . . . . . . . . . . . . . . . 216
Towing Driving Characteristics . . . . . . . . 253 Towing (cont'd)
Equipment . . . . . . . . . . . . . . . . . . . . 259
General Information . . . . . . . . . . 253
Recreational Vehicle . . . . . . . . . . 327
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 256
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 327
Traction Control System (TCS)/StabiliTrak Light . . . . . . . . . . . . . 145
Off Light . . . . . . . . . . . . . . . . . . . . . . 144
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 220
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . 256
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 210
Fluid, Automatic . . . . . . . . . . . . . . 271
Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . . 361
Trip Odometer . . . . . . . . . . . . . . . . . . 135
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 170
U
Uniform Tire Quality Grading . . . 312
Universal Remote System . . . . . . 162Operation . . . . . . . . . . . . . . . . . . . . . 165 Universal Remote System (cont'd)
Programming . . . . . . . . . . . . . . . . . 162
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . 49
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 186
Identification Number (VIN) . . . 352
Load Limits . . . . . . . . . . . . . . . . . . . 196
Messages . . . . . . . . . . . . . . . . . . . . 153
Personalization . . . . . . . . . . . . . . . 154
Remote Start . . . . . . . . . . . . . . . . . . . 36
Security . . . . . . . . . . . . . . . . . . . . . . . . 49
Speed Messages . . . . . . . . . . . . . 154
Towing . . . . . . . . . . . . . . . . . . . . . . . . 327
Vehicle Ahead Indicator . . . . . . . . 144
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . 302
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . 367
Ventilation, Air . . . . . . . . . . . . . . . . . . 182
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
W
Warning Brake System Light . . . . . . . . . . . 142
Caution and Danger . . . . . . . . . . . . . 2

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Index 391
Warning (cont'd)Lane Departure (LDW) . . . . . . . 247
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . . 131
Warnings Hazard Flashers . . . . . . . . . . . . . . 170
Washer Fluid . . . . . . . . . . . . . . . . . . . 277
Wheels Alignment and Tire Balance . . 314
Different Size . . . . . . . . . . . . . . . . . 312
Replacement . . . . . . . . . . . . . . . . . 314
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Where to Put the Restraint . . . . . 101
Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
Windows . . . . . . . . . . . . . . . . . . . . . . . . 55
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Windshield
Replacement . . . . . . . . . . . . . . . . . 283
Wiper/Washer . . . . . . . . . . . . . . . . 124
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 194
Winter Tires . . . . . . . . . . . . . . . . . . . . 296
Wiper Blade Replacement . . . . . . 281
Wipers
Rear Washer . . . . . . . . . . . . . . . . . 125
Wireless Charging . . . . . . . . . . . . . . 129