Letter RatingSpeed Rating
V1 49 m ph
W 168
* mph
Y 186
* mph
* For tires with a maximum speed capability over 149 mph, tire manufacturers sometimes use the letters ZR. For
tires with a maximum speed capability over 186 mph, tire manufacturers always use the letters ZR.
MS or M/S: Mud and Snow
AT: All Terrain.
AS: All Season. The “M
S” or “M/S” indicates that the tire has some functional use in mud
and snow.
U.S. DOT Tire Identification Number (TIN)
This begins with the letters “DOT” which indicates the tire meets all federal standards. The
next two numbers or letters are the plant code where it was manufactured, and the last four
numbers represent the week and year the tire was manufactured. For example, the numbers
457 means the 45st week of 1997. After 2000 the numbers go to four digits. For example,
the number 2102 means the 21th week of 2002. The other numbers are marketing codes
used at the manufacturer's discretion. This information is used to contact consumers if a tire
defect requires a recall.
Tire Ply Composition and Materials Used
The number of plies indicates the number of layers of rubber-coated fabric in the tire. In
general, the greater the number of plies, the more weight a tire can support. Tire
manufacturers also must indicate the tire mate rials, which include steel, nylon, polyester,
and other.
Maximum Load Rating
This number indicates the maximum load in kilograms and pounds that can be carried by the
tire.
Maximum Permissible Inflation Pressure
This number is the greatest amount of air pressure that should ever be put in the tire under
normal driving conditions.
Tread Wear, Traction and Temperature Grades
Tr e a d w e a r : The tread wear 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 (1 1/2) times as well on the
government course as a tire graded 100.
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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Traction: The traction grades, from highest to lowest are AA, A, B, and C. The grades
represent the tire's ability to stop on wet pave ment as measured under controlled conditions
on specified government test surfaces of asphalt and concrete. A tire marked C may have
poor traction performance.
Te m p e r a t u r e : The temperature grades are A (the highest), B and C, representing the tire's
resistance to the generation of heat and its ability to dissipate heat when tested under
controlled conditions on a specif ied indoor laboratory test wheel.
Snow Tires
In some heavy snow areas, local governments may require true snow tires, those with very
deeply cut tread. These tires should only be used in pairs or placed on all four wheels. Make
sure you purchase snow tires that are the same size and construction type as the other tires
on your vehicle.
SAFETY WARNING
The following safety warning appears on the tire's sidewall.
SERIOUS INJURY MAY RESULT FROM:
EXPLOSION OF TIRE/RIM ASSEMBLY DUE TO IMPROPER MOUNTING-MATCH
TIRE DIAMETER TO RIM DIAMETER; NEVE R EXCEED 40 psi (275 kPa) TO SEAT
BEADS-ONLY SPECIALLY TRAINED PERSONS SHOULD MOUNT TIRES.
TIRE FAILURE DUE TO UNDER-INFLATION/OVERLOADING/
DAMAGE-FOLLOW OWNER'S MANUAL AND PLACARD IN
VEHICLE-FREQUENTLY CHECK INFLATION PRESSURE AND INSPECT FOR
DAMAGE.
▼ Information on Temporary Tires
Please refer to the sample below.
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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Index
Uniform tire quality grading system
(UTQGS)..................................... 8-23
Tire Inflation Pressure Warning
Beep...................................................7-47
Tire Information................................ 8-25
Tire Pressure Monitoring System.... 4-221
To w i n g
Recreational towing.....................3-66
Trailer towing (U.S.A. and
Canada)........................................ 3-58
Towing Description........................... 7-21
Traction Control System (TCS)...... 4-107 TCS OFF Indicator Light.......... 4-108
TCS OFF Switch....................... 4-108
TCS/DSC indicator light........... 4-107
Traffic Sign Recognition System
(TSR)............................................... 4-130
Transmitter.......................................... 3-5
Trouble
Battery runs out........................... 7-14
Emergency starting...................... 7-17
Emergency towing....................... 7-21
Flat tire.......................................... 7-3
Overheating................................. 7-19
Parking in an emergency............... 7-2
When Liftgate Cannot be
Opened......................................... 7-49
Turn Signals...................................... 4-79
U
USB Power Outlet.......................... 5-101
V
Vanity Mirrors................................... 5-94
Vehicle Information Labels................. 9-2
W
Warning Sound is Activated............. 7-44
Advanced Key removed from vehicle
warning beep............................... 7-45
Air bag/front seat belt pretensioner
system warning beep................... 7-44
AUTOHOLD Warning Beep....... 7-47
Blind Spot Monitoring (BSM)
warning beep............................... 7-47
Collision warning...... .................. 7-48
Electric Parking Brake (EPB)
Warning Beep.............................. 7-46
Excessive speed warning.............7-48
Ignition not switched off (STOP)
warning beep............................... 7-45
Key left-in-luggage compartment
warning beep (With the advanced
keyless function)..........................7-46
Key left-in-vehicle warning beep
(With the advanced keyless
function).......................................7-46
Key removed from vehicle warning
beep..............................................7-45
Lane Departure Warning sound... 7-48
Lights-on reminder...................... 7-44
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) system
warnings.......................................7-48
Power Liftgate Warning Beep..... 7-46
Power steering warning buzzer....7-47
Request switch inoperable warning
beep (With the advanced keyless
function).......................................7-46
Seat belt warning beep................ 7-44
Selective Catalytic Reduction (SCR)
Warning Beep.............................. 7-47
Tire inflation pressure warning
beep..............................................7-47
Warranty............................................ 8-16
Weights................................................ 9-7
Windows Power windows........................... 3-40
Windshield Washer........................... 4-83
Windshield Wipers............................ 4-80
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