2014 MAZDA MODEL 3 HATCHBACK wheel

7–26
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
(Red)
High Engine Coolant
Temperature Warning
Light The light fl ashes when the engine coolant temperature is extremely high, and
illuminates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine load until you can fi nd a safe place to stop the vehicle
and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place
immediately and stop the engine.
Refer to Overheating 7-19 .
CAUTION
Do not drive the vehicle with the high engine coolant temperature warning light
illuminated. Otherwise, it could result in damage to the engine.
Power Steering
Malfunction Indicator
Light The light illuminates/fl ashes if the electric power steering has a malfunction.
If the light illuminates/fl ashes, stop the vehicle in a safe place and do not operate the
steering wheel. There is no problem if the light turns off after a while. Contact an
Authorized Mazda Dealer if the light illuminates/fl ashes continuously.
NOTE
yIf the indicator light illuminates/fl ashes, the power steering will not operate normally.
If this happens, the steering wheel can still be operated, however, the operation may
feel heavy compared to normal, or the steering wheel could vibrate when turning.
y Repeatedly jerking the steering wheel left and right while the vehicle is stopped or
moving extremely slowly will cause the power steering system to go into protective
mode which will make the steering feel heavy, but this does not indicate a problem. If
this occurs, park the vehicle safely and wait several minutes for the system to return
to normal.
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*Some models.7–29
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Signal Warning
(Amber)
(Flashes)
Lane Departure
Warning System
(LDWS) Warning
Light
*
The warning light fl ashes when the system has a malfunction. Have your vehicle inspected
at an Authorized Mazda Dealer. The LDWS does not operate when the warning light fl ashes.
CAUTION
¾ If any of the following cases occurs, the system may have a malfunction. Have the
vehicle inspected at an Authorized Mazda Dealer.

¾ The light fl ashes while the vehicle is being driven.
¾ The light does not illuminate when the ignition is switched ON.
¾ Always use tires for all wheels that are of the specifi ed size, and the same manufacture,
brand, and tread pattern. In addition, do not use tires with signifi cantly diff erent
wear patterns on the same vehicle. If such improper tires are used, the LDWS may not
operate normally.
¾ When an emergency spare tire is used, the system may not operate normally.
(Amber)
High Beam Control
System (HBC)
Warning Light
*
When illuminated
The warning light illuminates if the area of the windshield in front of the forward sensing
camera (FSC) is fogged or obstructed.
When fl ashing
This light fl ashes if there is a malfunction in the high beam control system (HBC). Have
your vehicle inspected by an Authorized Mazda Dealer.
(Amber)
(Flashing)
Mazda Radar
Cruise Control
(MRCC) Warning
Light
*
The warning light fl ashes if there is a malfunction in the system while the Mazda Radar
Cruise Control (MRCC) system is on. Have your vehicle inspected at an Authorized Mazda
Dealer.
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7–35
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
Make Sure the Message is No Longer Displayed
Displays in the following cases:
Display Indicated Condition/Action to be taken
Displays if i-ELOOP requires charging. Leave the engine
idling and wait until the message disappears.
NOTE
y If the vehicle is driven while the message is displayed, the
buzzer will sound.
y If you turn the steering wheel while the message is
displayed, it will feel heavier than normal, but this does
not indicate an abnormality. The steering operation will
return to normal after the message has disappeared.
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8–21
Customer Information and Reporting Safety Defects
Uniform Tire Quality Grading System (UTQGS)
Uniform Tire Quality Grading System (UTQGS)
This information relates to the tire grading system developed by the U.S. National Highway
Traffi c Safety Administration for grading tires by tread wear, traction, and temperature
performance.
Tread Wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested
under controlled conditions on a specifi ed government test course.
For example, a tire graded 150 would wear one-and-a-half times as well on the government
course as a tire graded 100.
The relative performance of tires depends upon the actual conditions of their use, however,
and may depart signifi cantly from the norm because of variations in driving habits, service
practices and differences in road characteristics and climate.
Traction-AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B, and C. These grades represent the
tire's ability to stop on wet pavement as measured under controlled conditions on specifi ed
government test surfaces of asphalt and concrete. A tire marked C may have poor traction
performance.
WARNING
The traction grade assigned to this tire is based on braking (straight ahead) traction tests
and does not include acceleration cornering (turning), hydroplaning, or peak traction
characteristics.
Temperature-A, B, C
The temperature grades A (the highest), B, and C, represent the tire's resistance to the
generation of heat and its ability to dissipate heat when tested under controlled conditions on
a specifi ed indoor laboratory test wheel.
Sustained high temperature can cause the material of the tire to degenerate and reduce tire
life, and excessive temperatures can lead to sudden tire failure.
Grade C corresponds to a level of performance which all passenger vehicle tires must meet
under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher
levels of performance on the laboratory test wheel than the minimum required by law.
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8–24
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
13. Max. permissible infl ation pressure
14. SAFETY WARNING
P215/65R15 95H is an example of a tire size and load index rating. Here is an explanation
of the various components of that tire size and load index rating. Note that the tire size and
load index rating may be different from the example.
P
Indicates a tire that may be installed on cars, SUVs, minivans and light trucks as designated
by the Tire and Rim Association (T&RA).
NOTE
If your tire size does not begin with a letter this may mean it is designated by either ETRTO
(European Tire and Rim Technical Organization) or JATMA (Japan Tire Manufacturing
Association).
215
“215” is the nominal width of the tire in millimeters. This three-digit number gives the
width in millimeters of the tire from sidewall edge to sidewall edge. In general, the larger
the number, the wider the tire.
6 5
“65” is the aspect ratio. This two-digit number indicates the tire's ratio of height to width.
R
“R” is the tire construction symbol. R indicates “Radial ply construction”.
1 5
“15” is the wheel rim diameter in inches.
9 5
“95” is the Load Index. This two-or three-digit number indicates how much weight each tire
can support.
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8–26
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
Maximum Permissible Infl ation 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
Tread wear: The tread wear grade is a comparative rating based on the wear rate of the tire
when tested under controlled conditions on a specifi ed 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.
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 pavement as measured under controlled conditions
on specifi ed government test surfaces of asphalt and concrete. A tire marked C may have
poor traction performance.
Temperature: 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 specifi ed 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:
 


y EXPLOSION OF TIRE/RIM ASSEMBLY DUE TO IMPROPER MOUNTING-MATCH
TIRE DIAMETER TO RIM DIAMETER; NEVER EXCEED 40 psi (275 kPa) TO SEAT
BEADS-ONLY SPECIALLY TRAINED PERSONS SHOULD MOUNT TIRES.
 


y TIRE FAILURE DUE TO UNDER-INFLATION/OVERLOADING/DAMAGE-
FOLLOW OWNER'S MANUAL AND PLACARD IN VEHICLE-FREQUENTLY
CHECK INFLATION PRESSURE AND INSPECT FOR DAMAGE.
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8–28
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
1 6
“16” is the wheel rim diameter in inches.
9 0
“90” is the Load Index. This two-or three-digit number indicates how much weight each tire
can support.
M
“M” is the speed rating. The speed rating denotes the maximum speed for which the use of
the tire is rated.
Letter Rating Speed Rating
M 81 mph
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8–31
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
Glossary of Terms
Tire Placard: A label indicating the OE tire sizes, recommended infl ation pressure, and the
maximum weight the vehicle can carry.
Tire Identifi cation Number (TIN): A number on the sidewall of each tire providing
information about the tire brand and manufacturing plant, tire size, and date of manufacture.
Infl ation Pressure: A measure of the amount of air in a tire.
kPa: Kilopascal, the metric unit for air pressure.
psi: Pounds per square inch, the English unit for air pressure.
B-pillar: The structural member at the side of the vehicle behind the front door.
Original Equipment (OE): Describes components originally equipped on the vehicle.
Vehicle Load Limit: The maximum value of the combination weight of occupants and
cargo.
Bead Area of the Tire: Area of the tire next to the rim.
Sidewall Area of the Tire: Area between the bead area and the tread.
Tread Area of the Tire: Area on the perimeter of the tire that contacts the road when it's
mounted on the vehicle.
Seating capacity means the total allowable number of vehicle occupants. Seating capacity
is described on the tire label.
Production options weight is the combination weight of installed regular production
options weighing over 2.3 kilograms in excess of the standard items which they replace,
and not previously considered in the curb weight or accessory weight, including heavy duty
brakes, ride levelers, roof rack, heavy duty battery, and special trim.
Rim is the metal support (wheel) for a tire or a tire and tube assembly upon which the tire
beads are seated.
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