sensor MAZDA MODEL 3 HATCHBACK 2018 (in English) Owner's Manual

(Without Homelink wireless control
system)
Press the ON/OFF button
to cancel the
auto-dimming function. The indicator light
will turn off.
To reactivate the auto -dimming function,
press the ON/OFF button
. The indicator
light will illuminate.

ON/OFF button
Indicator light
NOTE
Do not use glass cleaner or suspend
objects on or around the light sensor.
Otherwise, light sensor sensitivity will
be affected and may not operate
normally.
(With Homelink wireless control
system)

Light sensor
(Without Homelink wireless control
system)

Light sensor
(With Homelink wireless control
system)
For information regarding the 3 buttons
(
,,) on the auto-dimming
mirror.
Refer to HomeLink Wireless Control
System on page 4-56.
The auto-dimming function is canceled
when the ignition is switched ON and
the shift lever is in reverse (R).
Before Driving
Mirrors
3-34
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Drive Selection................................. 4-74Drive Selection
*..........................4-74
Power Steering................................. 4-76 Power Steering............................4-76
i-ACTIVSENSE............................... 4-77 i-ACTIVSENSE......................... 4-77
Adaptive Front Lighting System
(AFS)
*........................................ 4-80
High Beam Control System
(HBC)
*........................................4-81
Blind Spot Monitoring (BSM)
*.........
.................................................... 4-84
Traffic Sign Recognition System
(TSR)
*........................................ 4-90
Distance Recognition Support
System (DRSS)
*......................... 4-96
Rear Cross Traffic Alert (RCTA)
*.....
.................................................... 4-98
Mazda Radar Cruise Control
(MRCC)
*.................................. 4-102
Lane-keep Assist System (LAS) &
Lane Departure Warning System
(LDWS)
*...................................4-113
Smart City Brake Support
(SCBS)
*.................................... 4-124
Smart Brake Support (SBS)
*.... 4-128
Forward Sensing Camera
(FSC)........................................ 4-131
Radar Sensor (Front)................ 4-136
Radar Sensors (Rear)............... 4-139
Cruise Control............................... 4-141
Cruise Control
*.........................4-141
Tire Pressure Monitoring
System.............................................4-146 Tire Pressure Monitoring System
*.....
.................................................. 4-146
Rear View Monitor....................... 4-150 Rear View Monitor
*................. 4-150
4-2*Some models.
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Type C instrument cluster

Full1/4 Full
Empty
If the low fuel warnin g light illuminates or
the fuel level is very low, refuel as soon as
possible.
Refer to Taking Action on page 7-32 .
NOTE
After refueling, it may require some time
for the indicator to stabilize. In addition,
the indicator may deviate while driving
on a slope or curve since the fuel moves
in the tank.
The display indicating a quarter or less
remaining fuel has more segments to
show the remaining fuel level in greater
detail.
The direction of the arrow () indicates
that the fuel-filler lid is on the left side
of the vehicle.
▼ Dashboard Illumination
(Without auto-light control)
When the position lights are turned on
with the ignition switched ON, the
brightness of the dash
board illumination is
dimmed.
(With auto-light control)
When the position lights are turned on
with the ignition switched ON, the
brightness of the dash board illumination is
dimmed. However, when the light sensor
detects that the surrounding area is bright
such as when the position lights are turned
on in the daytime, the dashboard
illumination does not dim.
NOTE
(With auto-light control)
When the ignition is switched ON in the
early evening or at dusk, the dashboard
illumination is dimmed for several
seconds until the light sensor detects the
brightness of the surrounding area,
however, the dimmer may cancel after
the brightness is detected.
When the position lights are turned on,
the position lights i ndicator light in the
instrument cluster turns on.
Refer to Headlights on page 4-43.
The brightness of the instrument cluster
and dashboard illuminations can be
adjusted by rotating the knob.
The brightness decreases by rotating the
knob to the left. A beep sound will be
heard when the knob has been rotated to
the maximum dim position.
When Driving
Instrument Cluster and Display
4-16
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Active Driving Display*
Optical receiver
Mirror
Combiner
WA R N I N G
Always adjust the display brightness and position with the vehicle stopped:
Adjusting the display brightness and position wh
ile driving the vehicle is dangerous as doing
so could distract your attention from the road ahead and lead to an accident.
CAUTION
 Do not try to adjust the angle or open/c lose the active driving display manually.
Fingerprints on the display will make it difficult to view and using excessive force when
operating it could cause damage.
 Do not place objects in the vicinity of the active driving display. The active driving display
may not operate or any interference with its operation could cause damage.
 Do not place beverages near the active driving display. If water or other liquids are splashed
on the active driving display, it could cause damage.
 Do not place objects above the active driving display or apply stickers to the dust-proof
sheet/optical receiver as they will cause interference.
 A sensor is integrated to control the display's luminosity. If the optical receiver is covered,
the display's luminosity will lower making the display difficult to view.
 Do not allow intense light to hit the optical receiver. Otherwise, it could cause damage.
When Driving
Instrument Cluster and Display
4-20*Some models.
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▼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-
16.
▼Low Engine Coolant Temperature
Indicator Light (Blue)
The light illuminates continuously when
the engine coolant temperature is low and
turns off after th
e engine is warm.
If the low engine coolant temperature
indicator light remains illuminated after
the engine has been sufficiently warmed
up, the temperature sensor could have a
malfunction. Consult an Authorized
Mazda Dealer.
When Driving
Instrument Cluster and Display
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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 automat ically turns the headlights
and other exterior lights on or off.
CAUTION
 Do not shade the light sensor by adhering a sticker or a label on the windshield. Otherwise
the light sensor will not operate correctly.
The light sensor also works as a rain sensor for the auto-wiper control. Keep hands and
scrapers clear of the windshield when the wiper lever is in the
position and the ignition
is switched ON as fingers could be pinched or the wipers and wiper blades could be
damaged when the wipers activate automaticall y. If you are going to clean the windshield,
be sure the wipers are turned off completely wh en it is particularly tempting to leave the
engine running. This is particularly important when clearing ice and snow.
NOTE
The headlights and other exterior lights may not turn off immediately even if the
surrounding area becomes well-lit because the light sensor determines that it is night time
if the surrounding area is continuously dark for several minute s such as inside long
tunnels, traffic jams inside tunn els, or in indoor parking lots.
In this case, the lights turn off if the light switch is turned to the
position.
The sensitivity of the auto-light control may be changed.
Refer to Personalization Features on page 9-12.
When Driving
Switches and Controls
*Some models.4-45
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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 upward for higher sensitivity
(faster response) or rotate it downward for
less sensitivity (slower response).

Higher sensitivity
Less sensitivitySwitch
Center
position
CAUTION
Do not shade the rain sensor by adhering
a sticker or a label on the windshield.
Otherwise the rain sensor will not
operate correctly.
When the wiper lever is in the
position and the igniti on is switched ON,
the wipers may move automatically in
the following cases:
 If the windshield above the rain sensor
is touched or wiped with a cloth.
 If the windshield is struck with a hand
or other object from either outside or
inside the vehicle.
Keep hands and scrapers clear of the
windshield when the wiper lever is in the
position and the ignition is
switched ON as fingers could be pinched
or the wipers and wiper blades damaged
when the wipers activate automatically.
If you are going to clean the windshield,
be sure the wipers are turned off
completely (when it is most likely that the
engine is left running) this is particularly
important when clearing ice and snow.
NOTE
Switching the auto-wiper lever from the
to the position while driving
activates the windshield wipers once,
after which they operate according to
the rainfall amount.
The auto-wiper control may not operate
when the rain sensor temperature is
about
－10 °C (14 °F) or lower, or
about 85 °C (185 °F) or higher.
If the windshield is coated with water
repellent, the rain sensor may not be
able to sense the amount of rainfall
correctly and the auto-wiper control
may not operate properly.
When Driving
Switches and Controls
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If dirt or foreign matter (such as ice or
matter containing salt water) adheres to
the windshield above the rain sensor, or
if the windshield is iced, it could cause
the wipers to move automatically.
However, if the wipers cannot remove
this ice, dirt or foreign matter, the
auto-wiper control will stop operation.
In this case, set the wiper lever to the
low speed position or high speed
position for manual operation, or
remove the ice, dirt or foreign matter by
hand to restore the auto-wiper
operation.
If the auto-wiper lever is left in the
position, the wipers could operate
automatically from the effect of strong
light sources, electromagnetic waves, or
infrared light because the rain sensor
uses an optical sensor. It is
recommended that the auto-wiper lever
be switched to the
position other
than when driving the vehicle under
rainy conditions.
The auto-wiper control functions can be
turned off. Refer to Personalization
Features on page 9-12.
▼ Windshield Washer
Pull the lever toward you and hold it to
spray washer fluid.

Washer
OFF
NOTE
If the windshield wash
er is turned on when
the windshield wipers are not operating,
the windshield wipers operate a few times.
If the washer does no t work, inspect the
fluid level (page 6-27). If the fluid level
is normal, consult a n Authorized Mazda
Dealer.
When Driving
Switches and Controls
4-52
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i-ACTIVSENSE
i-ACTIVSENSE is a collective term covering a series of advanced safety and driver support
systems which make use of a Forward Sensing Camera (FSC) and radar sensors. These
systems consist of active safety and pre-crash safety systems.
These systems are designed to assist the driver in safer drivin g by reducing the load on the
driver and helping to avert collisions or reduce their severity . However, because each system
has its limitations, always drive carefully and do not rely sol ely on the systems.
▼Active Safety Technology
Active Safety Technology supports safer driving by helping the
driver to recognize potential
hazards and avert accidents.
Driver awareness support systems
Nighttime visibility
Adaptive Front Lighting System (AFS)..................................................................... page 4-80
High Beam Control System (HBC)............................................................................ page 4-81
Left/right side and rear side detection
Lane Departure War ning System (LDWS)........................... .................................... page 4-113
Blind Spot Monitoring (BSM).................................... ............................................... page 4-84
Road sign recognition
Traffic Sign Recognition System (TSR).......................... .......................................... page 4-90
Inter-vehicle distance recognition
Distance Recogniti on Support System (DRSS)..................... .................................... page 4-96
Rear obstruction detection wh en leaving a parking space
Rear Cross Traffic Alert (RCTA)................................ ............................................... page 4-98
Driver support systems
Inter-vehicle distance
Mazda Radar Cruise Control (MRCC).............................. ...................................... page 4-102
Lane departure
Lane-keep Assist System (LAS).................................. .............................................page 4-113
When Driving
i-ACTIVSENSE
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▼Pre-Crash Safety Technology
Pre-crash safety technology is designed to assist the driver in
averting collisions or reduce
their severity in situations where they cannot be avoided.
Collision damage reduction in low vehicle speed range
Forward driving
Smart City Brake Support (SCBS).......................................................................... page 4-124
Collision damage reduction in medium/high speed range
Smart Brake Support (SBS)..................................................................................... page 4-128
▼Camera and Sensors
Forward Sensing Camera (FSC)
The Forward Sensing Camera (FSC) detects lane indications and r
ecognizes headlights,
taillights and city lights during nighttime driving. In addition, it also detects the vehicle
ahead, pedestrians, or obstructions. The following systems also use the Forward Sensing
Camera (FSC).
High Beam Control system (HBC)
Lane-keep Assist System (LAS) & Lane Departure Warning System ( LDWS)
Traffic Sign Recognition System (TSR)
Smart City Brake Support (SCBS)
Smart Brake Support (SBS)
The Forward Sensing Camera (FSC) is installed at the top of the windshield near the
rearview mirror.
Refer to Forward Sensing Camera (FSC) on page 4-131.
Radar sensor (front)
The radar sensor (front) function s by detecting the radio waves reflected off a vehicle ahead
sent from the radar sensor. The following systems also use the radar sensor (front).
Mazda Radar Cruise Control (MRCC)
Distance Recognition Support System (DRSS)
Smart Brake Support (SBS)
The radar sensor (front) is moun ted behind the radiator grille.
Refer to Radar S ensor (Front) on page 4-136.
When Driving
i-ACTIVSENSE
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