wheel size MAZDA MODEL 3 HATCHBACK 2015 Owners Manual (in English)

2–40
Essential Safety Equipment
SRS Air Bags
WARNING
Seat belts must be worn in air bag equipped vehicles:
Depending only on the air bags for protection during an accident is dangerous. Alone,
air bags may not prevent serious injuries. The appropriate air bags can be expected to
infl ate only in the fi rst accident, such as frontal, near frontal or side collisions that are
at least moderate. Vehicle occupants should always wear seat belts.
Children should not ride in the front passenger seat:
Placing a child, 12 years or under, in the front seat is dangerous. The child could be hit
by a deploying air bag and be seriously injured or even killed. A sleeping child is more
likely to lean against the door and be hit by the side air bag in moderate collision to the
front-passenger side of the vehicle. Whenever possible, always secure a child 12 years
and under on the rear seats with an appropriate child-restraint system for the child's
age and size.
Extreme Hazard! Never use a rear-facing child-restraint system on the front passenger
seat with an air bag that could deploy:
NEVER use a rearward facing child restraint on a seat protected by an ACTIVE
AIRBAG in front of it, DEATH or SERIOUS INJURY to the CHILD can occur.
Even in a moderate collision, the child-restraint system can be hit by a deploying air
bag and moved violently backward resulting in serious injury or death to the child. If
your vehicle is equipped with a front passenger air bag deactivation switch, always set
the switch to the OFF position when installing a rear-facing child-restraint system on
the front passenger seat.
Do not sit too close to the driver and front passenger air bags:
Sitting too close to the driver and front passenger air bag modules or placing hands or
feet on them is extremely dangerous. The driver and front passenger air bags infl ate
with great force and speed. Serious injuries could occur if someone is too close. The
driver should always hold onto only the rim of the steering wheel. The front seat
passenger should keep both feet on the fl oor. Front seat occupants should adjust their
seats as far back as possible and always sit upright against the seatbacks with seat belts
worn properly.
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3–57
Before Driving
Driving Tips
NOTE
  Never use warm or hot water for
removing snow or ice from windows
and mirrors as it could result in the
glass cracking.
  Drive slowly. Braking performance
can be adversely affected if
snow or ice adheres to the brake
components. If this situation occurs,
drive the vehicle slowly, releasing
the accelerator pedal and lightly
applying the brakes several times
until the brake performance returns
to normal.
Snow Tyres
WARNING
Use only the same size and type tyres
(snow, radial, or non-radial) on all four
wheels:
Using tyres different in size or type is
dangerous. Your vehicle's handling
could be greatly affected and result in
an accident.
CAUTION
Check local regulations before using
studded tyres.
Use snow tyres on all four wheels
Do not exceed the maximum permissible
speed for your snow tyres or legal speed
limits.
Europe
When snow tyres are used, select the
specifi ed size and pressure (page 9-13 ).
Tyre Chains
Check local regulations before using tyre
chains.
CAUTION
  Chains may affect handling. 
 Do not go faster than 50 km/h (30
mph) or the chain manufacturer's
recommended limit, whichever is
lower.
  Drive carefully and avoid bumps,
holes, and sharp turns.
  Avoid locked-wheel braking. 
 Do not use chains on a temporary
spare tyre; it may result in damage to
the vehicle and to the tyre.
  Do not use chains on roads that are
free of snow or ice. The tyres and
chains could be damaged.
  Chains may scratch or chip
aluminium wheels.
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3–58
Before Driving
Driving Tips
NOTE
If your vehicle is equipped with the tyre
pressure monitoring system, the system
may not function correctly when using
tyre chains.
Install the chains on the front tyres only.
Do not use chains on the rear tyres.
Tyre chain selection (Europe)
Mazda recommends hexagon type
steel ring chains. Select the proper type
according to your tyre size.
Tyre size Tyre chain
205/60R16 Hexagon type
215/45R18 Hexagon type
215/45ZR18 Hexagon type
NOTE
Although Mazda recommends hexagon
type steel ring chains, all chains within
the installation specifi cations may be
used.
Installation specifi cation (Europe)
When installing tyre chains, the distance
between the tyre tread and the chain must
be within the prescribed limits in the
following table.
Distance [Unit: mm (in)]
A B
MAX 11 (0.43) MAX 11 (0.43)
Side viewCross section viewTyre A
B
Installing the chains
1. If your vehicle is equipped with wheel
covers remove them, otherwise the
chain bands will scratch them.
2. Secure the chains on the front tyres as
tightly as possible. Always follow the
chain manufacturer's instructions.
3. Retighten the chains after driving
1/2—1 km (1/4—1/2 mile).
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*Some models.4–89
When Driving
ABS/TCS/DSC
Dynamic Stability
Control (DSC)
*
The Dynamic Stability Control (DSC)
automatically controls braking and engine
torque in conjunction with systems such
as ABS and TCS to help control side slip
when driving on slippery surfaces, or
during sudden or evasive manoeuvring,
enhancing vehicle safety.
Refer to ABS (page 4-87 ) and TCS (page
4-88 ).
DSC operation is possible at speeds
greater than 20 km/h (12 mph).
The warning light turns on when the
system has a malfunction.
Refer to Warning Lights on page 4-41 .
WARNING
Do not rely on the Dynamic Stability
Control as a substitute for safe driving:
The Dynamic Stability Control (DSC)
cannot compensate for unsafe and
reckless driving, excessive speed,
tailgating (following another vehicle
too closely), and hydroplaning (reduced
tyre friction and road contact because
of water on the road surface). You can
still have an accident.
CAUTION
  The DSC may not operate correctly
unless the following are observed:
 


 Use tyres of the correct size
specifi ed for your Mazda on all
four wheels.
 


 Use tyres of the same
manufacturer, brand and tread
pattern on all four wheels.
 


 Do not mix worn tyres. 

 The DSC may not operate correctly
when tyre chains are used or a
temporary spare tyre is installed
because the tyre diameter changes.
TCS/DSC Indicator Light
This indicator light stays on for a few
seconds when the ignition is switched
ON. If the TCS or DSC is operating, the
indicator light fl ashes.
If the light stays on, the TCS, DSC
or the brake assist system may have a
malfunction and they may not operate
correctly. Take your vehicle to an expert
repairer, we recommend an Authorised
Mazda Repairer.
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4–141
When Driving
i-ACTIVSENSE
WARNING
Turn off the Smart City Brake Support (SCBS) when the vehicle is running on a chassis
roller or being towed:
Turn off the Smart City Brake Support (SCBS) system to prevent mistaken operation
when the vehicle is running on a chassis roller or being towed. See the next page on
how to turn off the Smart City Brake Support (SCBS).
Refer to Stopping The Smart City Brake Support (SCBS) System Operation on page
4-144 .
CAUTION
  When driving off-road in areas where there is grass or forage, it is recommended that
the Smart City Brake Support (SCBS) system be turned off.
  Always use tyres for all wheels that are of the specifi ed size, and the same
manufacturer, brand, and tread pattern. In addition, do not use tyres with signifi cantly
different wear patterns on the same vehicle as the Smart City Brake Support (SCBS)
system may not operate normally.
  The laser sensor (front) includes a function for detecting a soiled windscreen and
informing the driver, however, depending on the conditions, it may not detect plastic
shopping bags, ice or snow on the windscreen. In such cases, the system cannot
accurately determine a vehicle ahead and may not be able to operate normally. Always
drive carefully and pay attention to the road ahead.
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4–152
When Driving
i-ACTIVSENSE
NOTE
  In the following cases, the radar sensor (front) may not be able to detect vehicles ahead
or obstructions.
 


 The rear surface of a vehicle ahead does not refl ect radio waves effectively, such as
an unloaded trailer or an automobile with a loading platform covered by a soft top,
vehicles with a hard plastic tailgate, and round-shaped vehicles.
 


 Vehicles ahead with low vehicle height and thus less area for refl ecting radio waves.



 Visibility is reduced due to a vehicle ahead casting off water, snow, or sand from its
tyres and onto your windscreen.
 


 The boot/luggage compartment is loaded with heavy objects or the rear passenger
seats are occupied.
 


 Ice, snow, or soiling is on the front surface of the front emblem.



 During inclement weather such as rain, snow, or sand storms.



 When driving near facilities or objects emitting strong radio waves. 

 In the following cases, the radar sensor (front) may detect vehicles in the opposite
lane or surrounding obstructions, or it may not be able to detect vehicles ahead or
obstructions.
 


 The beginning and end of a curve.



 Roads with continuous curves.



 Narrow lane roads due to road construction or lane closures.



 The vehicle ahead enters the radar sensor's blind spot.



 The vehicle ahead is running abnormally due to accident or vehicle damage. 



 Roads with repeated up and down slopes



 Driving on poor roads or unpaved roads.



 The distance between your vehicle and the vehicle ahead is extremely short.



 A vehicle suddenly comes close such as by cutting into the lane. 

 To prevent incorrect operation of the system, use tyres of the same specifi ed size,
manufacturer, brand, and tread pattern on all four wheels. In addition, do not use
tyres with signifi cantly different wear patterns or tyre pressures on the same vehicle.
(Including the temporary spare tyre)
  If the battery power is weak, the system may not operate correctly. 
 When driving on roads with little traffi c and few vehicles ahead or obstructions for the
radar sensor (front) to detect, Smart Brake Support/Smart City Brake Support (SBS/
SCBS) warning light (amber) temporarily illuminates, however, this does not indicate
a problem.
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4–162
When Driving
Tyre Pressure Monitoring System
CAUTION
  Each tyre, including the spare (if provided), should be checked monthly when cold
and infl ated to the infl ation pressure recommended by the vehicle manufacturer on the
vehicle placard or tyre infl ation pressure label. (If your vehicle has tyres of a different
size than the size indicated on the vehicle placard or tyre infl ation pressure label, you
should determine the proper tyre infl ation pressure for those tyres.)
 As an added safety feature, your vehicle has been equipped with a tyre pressure
monitoring system (TPMS) that illuminates a low tyre pressure telltale when one or
more of your tyres is signifi cantly under-infl ated. Accordingly, when the low tyre
pressure telltale illuminates, you should stop and check your tyres as soon as possible,
and infl ate them to the proper pressure. Driving on a signifi cantly under-infl ated tyre
causes the tyre to overheat and can lead to tyre failure. Under-infl ation also reduces
fuel effi ciency and tyre tread life, and may affect the vehicle's handling and stopping
ability.
 Please note that the TPMS is not a substitute for proper tyre maintenance, and it is the
driver's responsibility to maintain correct tyre pressure, even if under-infl ation has not
reached the level to trigger illumination of the TPMS low tyre 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 tyre pressure telltale.
When the system detects a malfunction, the telltale will fl ash 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 tyre pressure as intended. TPMS malfunctions may occur for a variety of reasons,
including the installation of replacement or alternate tyres or wheels on the vehicle that
prevent the TPMS from functioning properly. Always check the TPMS malfunction
telltale after replacing one or more tyres or wheels on your vehicle to ensure that the
replacement or alternate tyres and wheels allow the TPMS to continue to function
properly.
  To avoid false readings, the system samples for a little while before indicating a
problem. As a result it will not instantaneously register a rapid tyre defl ation or blow
out.
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6–45
Maintenance and Care
Owner Maintenance
CAUTION
  Be careful not to allow the rubber
ring shown in the fi gure to be
scratched or damaged.
  If the rubber ring detaches, reattach it
before inserting a new battery.
Rubber ring
Ty r e s
For reasons of proper performance, safety,
and better fuel economy, always maintain
recommended tyre infl ation pressures and
stay within the recommended load limits
and weight distribution.
WARNING
Using Different Tyre Types:
Driving your vehicle with different
types of tyres is dangerous. It could
cause poor handling and poor braking;
leading to loss of control.
Except for the limited use of the
temporary spare tyre, use only the same
type tyres (radial, bias-belted, bias-type)
on all four wheels.
Using Wrong-Sized Tyres:
Using any other tyre size than what is
specifi ed for the vehicle (page 9-13 )
is dangerous. It could seriously affect
ride, handling, ground clearance,
tyre clearance, and speedometer
calibration. This could cause you to
have an accident. Use only tyres that
are the correct size specifi ed for the
vehicle.
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*Some models.6–48
Maintenance and Care
Owner Maintenance
If a tyre wears evenly, a wear indicator
will appear as a solid band across the
tread.
Replace the tyre when this happens.
New treadTread wear indicator
Worn tread
You should replace the tyre before the
band crosses the entire tread.
After adjusting the tyre pressure,
initialization of the tyre pressure
monitoring system is necessary to make
the system operate normally.
Refer to Tyre Pressure Monitoring System
Initialization on page 4-164 .
Temporary Spare Tyre *
Inspect the temporary spare tyre at least
monthly to make sure it is properly
infl ated and stored.
NOTE
The temporary spare tyre condition
gradually deteriorates even if it has not
been used.
The temporary spare tyre is easier to
handle because of its construction which
is lighter and smaller than a conventional
tyre. This tyre should be used only for an
emergency and only for a short distance. Use the temporary spare tyre only until
the conventional tyre is repaired, which
should be as soon as possible.
Refer to Tyre on page 9-13 .
CAUTION
  Do not use your temporary spare
tyre rim with a snow tyre or a
conventional tyre. Neither will
properly fi t and could damage both
tyre and rim.
  The temporary spare tyre has a tread
life of less than 5,000 km (3,000
miles). The tread life may be shorter
depending on driving conditions.
  The temporary spare tyre is for
limited use, however, if the tread
wear solid-band indicator appears,
replace the tyre with the same type of
temporary spare (page 6-48 ).
Replacing a Wheel
WARNING
Always use wheels of the correct size
on your vehicle:
Using a wrong-sized wheel is
dangerous. Braking and handling
could be affected, leading to loss of
control and an accident.
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6–49
Maintenance and Care
Owner Maintenance
CAUTION
A wrong-sized wheel may adversely
affect:
 
 Tyre fi t 
 Wheel and bearing life 
 Ground clearance 
 Snow-chain clearance 
 Speedometer calibration 
 Headlight aim 
 Bumper height 
 Tyre Pressure Monitoring System
When replacing a wheel, make sure the
new one is the same as the original factory
wheel in diameter, rim width, and offset
(inset/outset).
Proper tyre balancing provides the best
riding comfort and helps reduce tread
wear. Out-of-balance tyres can cause
vibration and uneven wear, such as
cupping and fl at spots.
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