sensor MAZDA MODEL 3 4-DOOR 2015 Owner's Manual

*Some models.4–1
4When Driving
Information concerning safe driving and stopping.


Start/Stop Engine ................................ 4-4 Ignition Switch ............................... 4-4
Starting the Engine ......................... 4-5
Turning the Engine Off ................ 4-10
Instrument Cluster and Display ...... 4-11 Meters and Gauges ....................... 4-11
Active Driving Display
* ............... 4-18
Warning/Indicator Lights ............. 4-20
Transaxle ............................................ 4-26 Manual Transaxle Operation ........ 4-26
Automatic Transaxle Controls ...... 4-29
Switches and Controls ...................... 4-40 Lighting Control ........................... 4-40
High Beam Control System
(HBC)
*.......................................... 4-47
Fog Lights* ................................... 4-50
Turn and Lane-Change Signals ...... 4-50
Windshield Wipers and Washer ...... 4-51
Rear Window Wiper and
Washer
*......................................... 4-55
Rear Window Defogger ............... 4-56
Horn ............................................. 4-57
Hazard Warning Flasher ............... 4-58
HomeLink Wireless Control
System
* ......................................... 4-58
Forward Sensing Camera ................. 4-62 Forward Sensing Camera
* ............ 4-62 Radar Sensor ..................................... 4-64
Radar Sensor ................................ 4-64
Brake .................................................. 4-67 Brake System ............................... 4-67
Hill Launch Assist (HLA) ............ 4-69
Smart City Brake Support
(SCBS)
* ........................................ 4-71
ABS/TCS/DSC ................................... 4-78
Antilock Brake System (ABS) ...... 4-78
Traction Control System (TCS) ...... 4-79
Dynamic Stability Control
(DSC) ........................................... 4-80
i-ELOOP ............................................ 4-82 i-ELOOP
* ..................................... 4-82
Fuel Economy Monitor ..................... 4-85 Fuel Economy Monitor
* ............... 4-85
Drive Selection ................................... 4-87 Drive Selection
* ........................... 4-87
Power Steering................................... 4-89 Power Steering ............................. 4-89
Mazda Radar Cruise Control
(MRCC) ............................................. 4-90 Mazda Radar Cruise Control
(MRCC)
* ...................................... 4-90
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4–25
When Driving
Instrument Cluster and Display
Wrench Indicator Light
When the ignition is switched ON, the
wrench indicator light is illuminated and
then turns off after a few seconds.
The wrench indicator light is illuminated
when the preset maintenance period
arrives. Verify the content and perform
maintenance.
Refer to Maintenance Monitor on page
6-20 .
Low Engine Coolant Temperature Indicator Light (Blue)
The light illuminates continuously when
the engine coolant temperature is low and
turns off after the engine is warm.
If the low engine coolant temperature
indicator light remains illuminated after
the engine has been suffi ciently warmed
up, the temperature sensor could have
a malfunction. Consult an Authorized
Mazda Dealer.
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4–41
When Driving
Switches and Controls
With auto-light control
Switch Position
Ignition Position ON OFF ON OFF ON OFF ON OFF
Headlights Off Off Auto *1 Off Off Off On On
Daytime running lights On Off Auto *1 Off On Off Off Off
Taillights
Parking lights
License lights
Side-marker lights
Dashboard illumination Off Off Auto
*1 Off On On On On
*1 The headlight and other light settings switch automatically depending on\
the surrounding brightness detected by the sensor.
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4–42
When Driving
Switches and Controls
Auto-light control
When the headlight switch is in the
position and the ignition is switched ON, the light
sensor senses the surrounding lightness or darkness and automatically tu\
rns the headlights,
other exterior lights and dashboard illumination on or off (see chart above).
CAUTION


4–53
When Driving
Switches and Controls
Variable-speed intermittent wipers
Set the lever to the intermittent position
and choose the interval timing by rotating
the ring.
INT ringFast
Slow
With auto-wiper control
Switch
Position Wiper operation
Single wipe cycle (mist)
Auto control
Low speed
High speed
Auto-wiper control
When the wiper lever is in the
position, the rain sensor senses the amount
of rainfall on the windshield and turns the
wipers on or off automatically (off—
intermittent—low speed—high speed).
The sensitivity of the rain sensor can be
adjusted by turning the switch on the
wiper lever.
From the center position (normal), rotate
the switch downward for higher sensitivity
(faster response) or rotate it upward for
less sensitivity (slower response).
Higher sensitivity
Less sensitivitySwitch
Center
position
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4–64
When Driving
Radar Sensor
Radar Sensor
Your vehicle is equipped with a radar sensor.
The following systems also use the radar sensor.
 y Mazda Radar Cruise Control (MRCC) y Forward Obstruction Warning (FOW)
The radar sensor functions by detecting the radio waves refl ected off a vehicle ahead or an
obstruction sent from the radar sensor.
The radar sensor is mounted behind the front emblem.
Radar Sensor
If the Forward Obstruction Warning (FOW) warning light (amber) is illuminated, the area
around the radar sensor may be dirty. Refer to “Warning Guidance” in the center display
(Type B audio).
Refer to If a Warning Light Turns On or Flashes on page 7-24 .
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4–65
When Driving
Radar Sensor
CAUTION
Heed the following precautions to assure correct operation of each system.


4–66
When Driving
Radar Sensor
NOTE
 y In the following cases, the radar sensor may not be able to detect vehic\
les ahead or
obstructions.
 y 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.
 y Vehicles ahead with low vehicle height and thus less area for refl ecting radio waves. y Visibility is reduced due to a vehicle ahead casting off water, snow, or sand from its
tires and onto your windshield.
 y The trunk/luggage compartment is loaded with heavy objects or the rear passenger
seats are occupied.
 y Ice, snow, or soiling is on the front surface of the front emblem. y During inclement weather such as rain, snow, or sand storms. y When driving near facilities or objects emitting strong radio waves.
 y In the following cases, the radar sensor may detect vehicles in the oppo\
site lane or
surrounding obstructions, or it may not be able to detect vehicles ahead or \
obstructions.
 y The beginning and end of a curve. y Roads with continuous curves. y Narrow lane roads due to road construction or lane closures. y The vehicle ahead enters the radar sensor's blind spot. y The vehicle ahead is running abnormally due to accident or vehicle damag\
e.  y Roads with repeated up and down slopes y Driving on poor roads or unpaved roads. y The distance between your vehicle and the vehicle ahead is extremely short. y A vehicle suddenly comes close such as by cutting into the lane.
 y To prevent incorrect operation of the system, use tires of the same specifi ed size,
manufacturer, brand, and tread pattern on all four wheels. In addition, do not use tires
with signifi cantly different wear patterns or tire pressures on the same vehicle. (Including
the temporary spare tire)
 y If the battery power is weak, the system may not operate correctly. y When driving on roads with little traffi c and few vehicles ahead or obstructions for the
radar sensor to detect, Forward Obstruction Warning/Smart City Brake Support (FOW/
SCBS) warning light (amber) temporarily illuminates, however, this does not indicate a
problem.
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*Some models.4–71
When Driving
Brake
Smart City Brake Support (SCBS) *
The Smart City Brake Support (SCBS) system is designed to reduce damag\
e in the event
of a collision by operating the brake control (SCBS brake) when the sy\
stem's laser sensor
detects a vehicle ahead and determines that a collision with a vehicle a\
head is unavoidable.
It may also be possible to avoid a collision if the relative speed betwe\
en your vehicle and a
vehicle ahead is less than about 15 km/h (9.3 mph).
In addition, when the driver depresses the brake pedal while the system \
is in the operation
range at about 4 to 30 km/h (2 to 18 mph), the brakes are applied fi\
rmly and quickly to
assist. (Brake Assist (SCBS brake assist))
Laser sensor
WARNING
Do not rely on the Smart City Brake Support System (SCBS) as a substitute for safe
driving: The Smart City Brake Support (SCBS) system cannot compensate for unsafe and reckless
driving, excessive speed, tailgating (following another vehicle too closely), and driving on
slippery roads such as wet, snowy, and icy roads (reduced tire friction and road contact
because of water on the road surface). You can still have an accident.

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*Some models.4–74
When Driving
Brake
 y Under the following conditions, the Smart City Brake Support (SCBS) sy\
stem may not
operate normally.
 y Heavy luggage is loaded in the luggage compartment or on the rear seat. y If there is the possibility of partial contact with a vehicle ahead. y When driving on continuously curving roads, and entering and exiting exits. 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 tha\
t 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 Vehicle is driven with some of the tires having signifi cant wear.
 y When the system operates, the user is notifi ed by the fl ashing Smart City Brake Support
(SCBS) indicator light (red) and the active driving display * . y The Smart City Brake Support (SCBS) warning light (amber) turns on w\
hen the system
has a malfunction.
 Refer to Warning Lights on page 4-21 .
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