sensor MAZDA MODEL 3 HATCHBACK 2014 (in English) Owner's Guide

4–73
When Driving
Brake
Do not rely completely on the Smart City Brake Support (SCBS) system:
 


¾ The Smart City Brake Support (SCBS) system is only designed to reduce damage in the
event of a collision. Over reliance on the system leading to the accelerator pedal or
brake pedal being mistakenly operated could result in an accident.
 


¾ The Smart City Brake Support (SCBS) is a system which operates in response to a
vehicle ahead. The system may not be able to detect or react to 2-wheeled vehicles or
pedestrians.
 


¾ The laser sensor for the Smart City Brake Support (SCBS) system is installed near the
rearview mirror. To assure the correct operation of the Smart City Brake Support
(SCBS), heed the following cautions.
 

¾
 Do not apply stickers to the surface of the windshield near the laser sensor
(including transparent stickers). Otherwise, the laser sensor may not be able to
detect vehicles or obstructions ahead which could result in an accident.
 

¾
 Do not disassemble the laser sensor.


¾
 If cracks or damage caused by fl ying gravel or debris is visible near the laser sensor,
stop using the Smart City Brake Support (SCBS) system immediately and have your
vehicle inspected by an Authorized Mazda Dealer. If the vehicle continues to be
driven with cracks or scratch marks left on the windshield near the laser sensor, the
system may operate unnecessarily and cause an unexpected accident.
  Refer to Stopping The Smart City Brake Support (SCBS) System Operation on page
4-78 .
 

¾
 When replacing the windshield wipers or windshield, consult an Authorized Mazda
Dealer.

Do not modify the suspension:
If the vehicle height or inclination is changed, the system will not be able to correctly
detect vehicles or obstructions ahead. This will result in the Smart City Brake Support
(SCBS) system not operating normally or mistakenly operating, which could cause a
serious accident.

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 4-78 .
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4–74
When Driving
Brake
CAUTION
 


¾ 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 .




¾ Always use tires for all wheels that are of the specifi ed size, and the same manufacturer,
brand, and tread pattern. In addition, do not use tires with signifi cantly diff erent wear
patterns on the same vehicle as the Smart City Brake Support (SCBS) system may not
operate normally.
 


¾ The laser sensor includes a function for detecting a soiled windshield and informing the
driver, however, depending on the conditions, it may not detect plastic shopping bags, ice
or snow on the windshield. In such cases, the system cannot accurately determine a vehicle
or obstruction ahead and may not be able to operate normally. Always drive carefully and
pay attention to the road ahead.
NOTE
 


y The Smart City Brake Support (SCBS) system will operate under the following
conditions.
 


y The engine is running.



y The Smart City Brake Support (SCBS) indicator light does not illuminate.



y The vehicle speed is between about 4 to 30 km/h (2 to 18 mph).



y The Smart City Brake Support (SCBS) system is not turned off.



y The DSC operation is not turned off using the DSC OFF switch.



y The DSC is not malfunctioning.



y The driver is not deliberately performing driving operations (accelerator pedal,
steering wheel, and braking operations).
 


y The Smart City Brake Support (SCBS) detects a vehicle ahead by emitting a near-infrared
laser beam and receiving the beam refl ected off the refl ector of the vehicle ahead, and
then using it for the measurement. Consequently, the Smart City Brake Support (SCBS)
may not operate under the following conditions:
 


y Refl ection of the laser is poor due to the shape of the vehicle ahead.



y The vehicle ahead is signifi cantly dirty.



y Under bad weather condition, such as rain, fog and snow.



y The window washer is being used or the windshield wipers are not used when it's
raining.
 


y The windshield is dirty.



y The steering wheel is turned completely left or right, or the vehicle is accelerated
rapidly and comes close to the vehicle ahead.
 


y Trucks with low loading platforms, vehicles traveling at extremely low speeds, and
vehicles with a high profi le.
 


y Vehicles with certain shapes such as a vehicle carrier.
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*Some models.4–75
When Driving
Brake
 


y Under the following conditions, the Smart City Brake Support (SCBS) system may not
operate normally.
 


y Heavy luggage is loaded in the luggage compartment or on the rear seat.



y When there is the possibility of partial contact with a vehicle or obstruction ahead.



y When driving on continuously curving roads, entering and exiting curves, and unstable
driving due to a vehicle accident or breakdown in a driving lane.
 


y Elongated luggage or cargo is loaded onto installed roof rails and covers the laser
sensor.
 


y Exhaust gas from the vehicle in front, sand, snow, and water vapor rising from
manholes and grating, and water splashed into the air.
 


y When towing a malfunctioning vehicle.




y In the following cases, the laser sensor may inadvertently determine that there is a
vehicle ahead and the Smart City Brake Support (SCBS) system may operate.
 


y Objects on the road at the entrance to a curve.



y Vehicles passing in the opposite lane while making a curve.



y Metal objects, bumps, or protruding objects on the road.



y When passing through a toll gate.



y When passing under a vinyl curtain or fl ag.



y Plastic objects such as pylons.



y Two-wheeled vehicles, pedestrians, animals or standing trees.




y If the vehicle is driven with some of the tires having signifi cant wear, the system may not
operate correctly. If the tires are returned to a normal state and the Smart City Brake
Support (SCBS) indicator light still illuminates, have your vehicle inspected by an
Authorized Mazda Dealer.
 


y When the system operates, the user is notifi ed by the fl ashing warning light and the active
driving display * . 


y The indicator light turns on when the system has a malfunction.
 Refer to Warning Lights on page 4-22 .
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4–76
When Driving
Brake
Laser Sensor Handling
The Smart City Brake Support (SCBS) laser sensor is installed at the top of the windshield
near the rearview mirror.
Always keep the surface of the windshield around the laser sensor clean to assure proper
operation of the Smart City Brake Support (SCBS) system.
WARNING
As there is the possibility of eye damage occurring from the laser, always heed the
following precautions:
 


¾ Never remove the sensor.



¾ A removed sensor will not meet the conditions for a class 1M laser under the IEC
60825-1 specifi cation and therefore eye safety cannot be assured.
 


¾ Do not peer into the sensor using optical instruments with a magnifi cation function
such as magnifying glasses, and microscopic and objective lenses within a distance of
100 mm (3.94 in) from the sensor.
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4–77
When Driving
Brake
Laser sensor radiation data
Maximum average power: 45 mW
Pulse duration: 33 ns
Wavelength: 905 nm
Divergence angle (horizontal×vertical): 28 degrees×12 degrees
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4–91
When Driving
Mazda Radar Cruise Control (MRCC)
Mazda Radar Cruise Control (MRCC)
The Mazda Radar Cruise Control (MRCC) system is designed to maintain headway control *1
according to the vehicle speed using a radar sensor to detect the distance to a vehicle ahead,
and by presetting the vehicle speed between 30 km/h (19 mph) and 145 km/h (90 mph) the
driver is freed from having to constantly use the accelerator or brake pedals.
*1 Headway Control: Control of the distance between your vehicle and the vehicle ahead
detected by the Mazda Radar Cruise Control (MRCC) system.
Additionally, if your vehicle starts closing in on the vehicle ahead because, for example, the
vehicle ahead brakes suddenly, a warning sound and a warning indication in the display are
activated simultaneously to alert you to maintain a suffi cient distance between the vehicles.
Use the Mazda Radar Cruise Control (MRCC) system on expressways and other highways
which do not require a lot of repeated acceleration and deceleration.
WARNING
Do not rely completely on the Mazda Radar Cruise Control (MRCC) system and always
drive carefully:
The Mazda Radar Cruise Control (MRCC) system is designed to reduce load on the
driver, and although it maintains a constant vehicle speed, or specifi cally, it maintains
a constant distance between your vehicle and the detected vehicle ahead according to
the vehicle speed, the system has detection limitations depending on the type of vehicle
ahead and its conditions, the weather conditions, and the road conditions. Additionally,
the system may be unable to decelerate suffi ciently to avoid hitting the vehicle ahead
if the vehicle ahead applies the brakes suddenly or another vehicle cuts into the driving
lane, which could result in an accident. Always verify the safety of the surrounding area
and depress the brake pedal or accelerator pedal while keeping a safe distance from
vehicles ahead or on-coming vehicles.

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4–99
When Driving
Mazda Radar Cruise Control (MRCC)
NOTE
 


y The Mazda Radar Cruise Control
(MRCC) system may be canceled
during rain, fog, snow or other
inclement weather conditions, or the
front surface of the radiator grille is
dirty.
 


y If the Mazda Radar Cruise Control
(MRCC) system has been temporarily
canceled, you can return to the
previously set vehicle speed by pressing
the RESUME switch after the following
conditions have been met.
 


y All of the Mazda Radar Cruise
Control (MRCC) operation
conditions have been met.
 


y A certain period of time has elapsed
since the system was automatically
canceled while driving for a long
time on a down slope.
 


y If the SET / SET or RESUME switch
is pressed before a certain period of
time has elapsed since the system was
automatically canceled while driving
for a long time on a down slope,
“MRCC Not available” is displayed in
the display.
 


y If the OFF switch is pressed to cancel
the Mazda Radar Cruise Control
(MRCC), the system does not return
to the previously set speed even if the
RESUME switch is pressed.
Shift-up/Shift-down Request
Display (Manual Transaxle)
The shift-up or shift-down request display
in the display of the instrument cluster
may be displayed while the Mazda
Radar Cruise Control (MRCC) system
is operating. When this occurs, shift
gears because the gear position is not
appropriate.
Request Indication on display
Shift up
Shift down
NOTE
 


y If the gears are not shifted up even
though the shift-up request indication
is displayed, load will be applied
to the engine and the Mazda Radar
Cruise Control (MRCC) system may
be automatically canceled or engine
damage could occur.
 


y If the gears are not shifted down
even though the shift-down request
indication is displayed, the Mazda
Radar Cruise Control (MRCC) system
may be automatically canceled or
engine stalling could occur.
Radar Sensor Handling
The Mazda Radar Cruise Control (MRCC)
radar sensor is installed on the backside of
the radiator grille.
Refer to Radar Sensor on page 4-65 .
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*Some models.4–104
When Driving
Tire Pressure Monitoring System
Tire Pressure Monitoring System *
The Tire Pressure Monitoring System (TPMS) monitors the air pressure of all four tires. If
the air pressure of one or more tires is too low, the system warns the driver by indicating the
tire pressure monitoring system warning light in the instrument cluster and operating a beep
sound. The system monitors the tire pressures indirectly using the data sent from the ABS
wheel speed sensors.
To allow the system to operate correctly, the system needs to be initialized with the specifi ed
tire pressure (value on the tire pressure label). Follow the procedure and perform the
initialization.
Refer to Tire Pressure Monitoring System Initialization on page 4-107 .
The warning light fl ashes when the system has a malfunction.
Refer to Warning Lights on page 4-22 .
ABS wheel speed sensor
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4–10 8
When Driving
Blind Spot Monitoring (BSM) System
Blind Spot Monitoring (BSM) System
The Blind Spot Monitoring (BSM) system is designed to assist the driver by monitoring
blind spots on both sides of the vehicle to the rear in certain situations such as when
changing lanes on roads and freeways or reversing the vehicle from a parking garage.
The Blind Spot Monitoring (BSM) System consists of the Blind Spot Monitoring (BSM)
and Rear Cross Traffi c Alert (RCTA).
WARNING
Do not rely completely on the Blind Spot Monitoring (BSM) system. Always look over
your shoulder before changing lanes or reversing the vehicle from a parking garage:
The Blind Spot Monitoring (BSM) system can assist the driver in confi rming the safety of
the surroundings but is not a complete substitute. The driver is responsible for assuring
lane changes and other maneuvers. Always pay attention to the direction in which the
vehicle is traveling and the vehicle's surroundings.
NOTE
 


y The detectability of the radar sensors has its limitations. The Blind Spot Monitoring
(BSM) System may not operate properly under the following conditions:
 


y Ice, snow, or soil adheres to the rear bumper surface around the radar sensors.



y During adverse weather conditions such as rain or snow, or under conditions where
water is sprayed.
 


y The rear bumper area around the radar sensors is blocked by foreign material (such as
stickers or a bicycle carrier).
 


y The radar sensors do not detect human, animal, shopping cart, bicycle, or static objects
such as fences.
 


y The radar sensors may not detect all types of vehicles around your vehicle, especially the
following types of vehicles:
 


y Motorcycles



y Vehicles with body shapes that radar may not refl ect such as a fl atbed trailer with no
cargo.
 


y Vehicles with lower body height such as sports cars.




y Although the system may detect objects on the road side such as parked vehicles or
guardrails and operate the warning light/beep, it does not indicate a malfunction.
 


y If the vehicle is driven on a road with less traffi c and few vehicles that the radar sensors
can detect, the system may pause (the Blind Spot Monitoring (BSM) OFF indicator light
in the instrument cluster fl ashes). However, it does not indicate a malfunction.
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4–109
When Driving
Blind Spot Monitoring (BSM) System
 


y The following conditions may affect the visibility of the Blind Spot Monitoring (BSM)
warning lights on the outside mirror, making it diffi cult to confi rm the illumination of the
lights:
 


y Ice or snow adheres to the surface of the outside mirrors.



y The door window glass is tinted.




y The radar sensors are equipped inside the rear bumper (page 4-114 ).



y Have the radar sensors inspected at an Authorized Mazda Dealer if any shock is applied
to the rear bumper, even in a minor accident. If the vehicle is driven with a damaged
radar sensor, the system may not operate properly resulting in an accident.
 


y For repairs or paintwork around the radar sensors, or replacement of the bumper,
consult an Authorized Mazda Dealer.
 


y The radar sensors of the Blind Spot Monitoring (BSM) system may be regulated under
the radio wave related laws of the country where the vehicle is driven. The sensors in this
system are approved for use in the U.S.A. (including territories), Canada, and Mexico.
If a vehicle with a Blind Spot Monitoring (BSM) system is driven in a country other
than the U.S.A., Canada, or Mexico, the system has to be turned off using the Blind Spot
Monitoring (BSM) OFF switch.
Blind Spot Monitoring (BSM)
The Blind Spot Monitoring (BSM) system monitors the detection areas on both sides of
the vehicle to the rear and when there are vehicles in the detection area it notifi es the driver
by illuminating the Blind Spot Monitoring (BSM) warning light while the vehicle speed is
about 10 km/h (6.2 mph) or faster and driving forward.
If the turn signal lever is operated to the side the Blind Spot Monitoring (BSM) warning
light is illuminated, the Blind Spot Monitoring (BSM) warning light fl ashes and the system
warns the driver of the vehicle in the detection area using a BSM warning beep sound.
Detection areas
Your vehicle
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