sensor MAZDA MODEL 3 HATCHBACK 2020 (in English) Owner's Guide

CAUTION
Always use only a genuine Mazda
fuel-filler cap or an approved equivalent,
available at an Authorized Mazda
Dealer. The wrong cap can result in a
serious malfunction of the fuel and
emission control systems.
(U.S.A. and Canada)
It may also cause the check engine light
in the instrument cluster to illuminate.
 When using an automatic car wash or a
high water pressure car wash, lock the
driver's door. Otherwise, the fuel-filler lid
may open unexpectedly and could be
damaged.
▼ Refueling
Before refueling, close all the doors,
windows, and liftgate/trunk lid, and switch
the ignition OFF.
1. Using the following, unlock the
driver’s door.
Transmitter (page 3-15)
Touch sensor (page 3-13)
Door-lock switch (page 3-15)
Auto lock/unlock function (page
3-17)
NOTE
When unlocking the driver's door,
the fuel lid is also unlocked at the
same time.
When locking the driver's door, the
fuel lid is locked after 90 seconds.
The time until the fuel lid is locked
after locking the driver's door can be
changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
However, when the driver's door is
locked using the following functions,
the fuel lid is also locked at the same
time.
Auto lock/unlock function (page
3-17)
Auto re-lock function (page 3-5,
3-13)
2. Press the locat ion shown in the
illustration and open the fuel lid.

3. To remove the fuel-filler cap, turn it counterclockwise.
4. Attach the removed cap to the inner
side of the fu el-filler lid.

4–door
1. Fuel-filler lid
2. Fuel-filler cap

Before Driving
Fuel and Emission
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To reactivate the auto-dimming function,
press the ON/OFF button (
). The
indicator light will illuminate.
1. ON/OFF button
2. 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.
1. 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 4-58.
The auto-dimming function is canceled
when the ignition is switched ON and
the shift lever/selector lever is in the R
position.
Before Driving
Mirrors
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Theft-Deterrent System*
▼Theft-Deterrent System
If the theft-deterrent system detects an
inappropriate entry int
o the vehicle, which
could result in the vehicle or its contents
being stolen, the alarm alerts the
surrounding area of an abnormality by
sounding the horn and flashing the hazard
warning lights.

The system will not function unless it's
properly armed. So when you leave the
vehicle, follow the arming procedure
correctly.
▼ Operation
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 30
seconds when the sys
tem is triggered by
any one of the following:
Unlocking a door with the auxiliary key,
door lock switch, or an inside door-lock
knob.
Forcing open a door, the hood or the
liftgate/trunk lid.
Opening the hood by operating the hood
release handle.
Switching the ignition ON without using
the push button start.
If the system is triggered again, the lights
and horn will activate until the driver's
door or the liftgate/trunk lid is unlocked
with the transmitter.
(With the advanced keyless function)
The lights and horn can also be
deactivated by touching the sensing area
of the door release touch sensor.
NOTE
If the battery goes dead while the
theft-deterrent system is armed, the horn
will activate and the hazard warning
lights will flash wh en the battery is
charged or replaced.
▼ How to Arm the System
1. Close the windows and the moonroof*
securely.
2. Switch the ignition OFF.
3. Make sure the hood, the doors, and the liftgate/trunk lid are closed.
4. Press the lock button on the
transmitter.
The hazard warning lights will flash
once.
The following method will also arm
the theft-deterrent system:
Press the door-lock switch “
” while
any door is open and then close all of
the doors.
(With the advanced keyless function)
Touch the sensing area of the door lock
touch sensor.

The security indicator light in the
instrument cluster flashes twice per
second for 20 seconds.
5. After 20 seconds, the system is fully armed.
Before Driving
Security System
3-42*Some models.
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NOTE
The theft-deterrent system can also be
armed by activating the auto relock
function with all the doors, the liftgate/
trunk lid and the hood closed.
Refer to Transmitter on page 3-5.
The system will disarm if one of the
following operations takes place within
20 seconds after pressing the lock
button:
Unlocking any door.
Opening any door.
Opening the hood.
Switching the ignition ON.
To rearm the system, do the arming
procedure again.
When the doors are locked by pressing
the lock button on the transmitter while
the theft-deterrent system is armed, the
hazard warning lights will flash once to
indicate that the system is armed.
▼ To Turn Off an Armed System
An armed system can be turned off using
any one of the following methods:
Pressing the unlock button on the
transmitter.
Starting the engine with the push button
start.
(With the advanced keyless function)
Touching the sensing area of the door
release touch sensor.
The hazard warning lights will flash twice.
NOTE
When the doors are unlocked by pressing
the unlock button on the transmitter while
the theft-deterrent system is turned off, the
hazard warning lights will flash twice to
indicate that the system is turned off.
▼ To S t o p t h e A l a r m
A triggered alarm can be turned off using
any one of the following methods:
Pressing the unlock button or the trunk
button (4–door) on the transmitter.
Starting the engine with the push button
start.
(With the advanced keyless function)
Touching the sensing area of the door
release touch sensor.
Pressing the electric liftgate/trunk lid
opener while the key is being carried.
The hazard warning lights will flash twice.
Before Driving
Security System
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Power Steering................................. 4-82Power Steering............................4-82
i-ACTIVSENSE............................... 4-83 i-ACTIVSENSE
*........................4-83
Adaptive Front Lighting System
(AFS)
*........................................ 4-88
High Beam Control System
(HBC)
*........................................4-88
Lane Departure Warning System
(LDWS)
*.................................... 4-90
Blind Spot Monitoring (BSM)
*.........
.................................................... 4-94
Traffic Sign Recognition System
(TSR)
*........................................ 4-99
Distance & Speed Alert (DSA)
*........
.................................................. 4-106
Driver Attenti on Alert (DAA)
*..........
.................................................. 4-107
Driver Monitoring (DM)
*.........4-109
Front Cross Traffic Alert
(FCTA)
*.................................... 4-111
Rear Cross Traffic Alert (RCTA)
*.....
.................................................. 4-114
Mazda Radar Cruise Control
(MRCC) (Manual Transmission)
*.....
.................................................. 4-118
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function) (Automatic
Transmission)
*.......................... 4-126
Traffic Jam Assist (TJA)
*.........4-137
Lane-keep Assist System (LAS)*......
.................................................. 4-151
Smart Brake Support (SBS)
*.... 4-155
Smart Brake Support [Rear] (SBS-
R)
*............................................ 4-157
Smart Brake Support [Rear
Crossing] (SBS-RC)
*............... 4-161
360° View Monitor
*................. 4-166
Forward Sensing Camera (FSC)
*......
.................................................. 4-200
Front Radar Sensor
*................. 4-204
Front Side Radar Sensor
*......... 4-206
Rear Side Radar Sensor
*.......... 4-208
Rear/Rear corner/Rear Side
Ultrasonic Sensor
*....................4-209
Front Camera/Side Cameras/Rear
Camera
*.................................... 4-210
Driver Monitoring Camera
*......4-211
Cruise Control............................... 4-212 Cruise Control
*.........................4-212
Tire Pressure Monitoring System
(TPMS)........................................... 4-216 Tire Pressure Monitoring System
(TPMS)..................................... 4-216
Rear View Monitor....................... 4-220 Rear View Monitor
*................. 4-220
Parking Sensor System................. 4-235 Parking Sensor System
*........... 4-235
4-2*Some models.
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If the low fuel warning light illuminates or
the fuel level is very low, refuel as soon as
possible.
If inconsistency in engine performance or
stalling occurs due to low fuel level
conditions, refuel the vehicle as soon as
possible and add at least 10 L (2.7 US gal,
2.2 Imp gal) of fuel.
Refer to Low Fuel Warning Indication/
Warning Light on page 7-34.
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 direction of the arrow ()
indicates that the fuel -filler lid is on the
left side of the vehicle.
▼ Dashboard Illumination
When the lights are turned on with the
ignition switched ON, the brightness of
the dashboard illumination is dimmed.
However, when the light sensor detects
that the surrounding area is bright such as
when the lights are turned on in the
daytime, the dashboard illumination does
not dim.
NOTE
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 dimming may cancel after
the brightness is detected.
When the lights are turned on, the
lights-on indicator light in the
instrument cluster turns on.
Refer to Headlights on page 4-44.
The brightness of the instrument panel and
dashboard illuminations can be adjusted
by pressing the dashboard illumination
switch while the dashbo ard illumination is
dimmed.
The brightness increases by pressing the
+ switch.
The brightness decreases by pressing
the - switch. If you press the - switch
while the instrument cluster is at
maximum dimness, a sound is activated
to notify you that the current dimmer
setting is at maximum dimness.

1. Bright
2. Dim
When Driving
Instrument Cluster and Display
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*8 If one of the following operations is done from the position while the vehicle is stopped, the daytime
running lights turn off.
Switch the light switch to the OFF position.
Switch the light switch to the AUTO position, and then to the position again.
Switch the light switch to the position.
When starting to drive the vehic le, the daytime running lights turn on again.
*9 When the ignition is switched from ON to ACC or OFF, the headl ights remain on if the auto headlight off
function has been canceled. If the auto headlight off function is enabled, the lights turn on for the set period
using the auto headlight off function, and then they turn off.
Auto-light control
When the headlight switch is in the AUTO position and the ignit ion is switched ON, the
light sensor senses the surrounding lightness or darkness and a utomatically turns the
headlights and other exterior lights on or off.
CAUTION
 Do not shade the light sensor by adhering a st icker 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 AUTO 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 when it is partic
ularly 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 minutes such as inside long
tunnels, traffic jams inside tunnels, or in indoor parking lots.
When Driving
Switches and Controls
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Variable-speed intermittent wipers
Set the lever to the intermittent position
and choose the interval timing by rotating
the switch.
Rotate the switch upward (FAST
direction) to shorten the interval time of
the wiper operation, and rotate the switch
downward (SLOW direction) to lengthen
it.

1. Switch
With auto-wiper control

1. Indicator light
Switch Posi‐tion Wiper operation
MIST Operation while pulling up lever OFF Stop
AUTO
*1Auto control
LO Low speed HI High speed
*1 When the wiper lever is switched to the AUTO
position, the indicator light turns on.
Auto-wiper control*
When the wiper lever is in the AUTO
position, the rain sen sor 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 (+ direction) for higher
sensitivity (faster response) or rotate it
downward (- direction) for less sensitivity
(slower response).

1. Switch
2. Higher sensitivity
3. Center position
4. Less sensitivity
When Driving
Switches and Controls
4-52*Some models.
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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 AUTO
position and the ignition 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
AUTO 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
OFF to the AUTO 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.
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 wi ll 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
AUTO 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 OFF position other
than when driving the vehicle under
rainy conditions.
When Driving
Switches and Controls
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i-ACTIVSENSE*
▼i-ACTIVSENSE
i-ACTIVSENSE is a collective term
covering a series of advanced safety and
driver support systems which make use of
cameras and sensors. T
he systems consist
of active safety and pre-crash safety
systems.
These systems are designed to assist the
driver in safer driving by reducing the load
on the driver and helping to avert
collisions or reduce their severity.
However, because each system has its
limitations, always dri ve carefully and do
not rely solely 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 4-88
High Beam Control System (HBC) ............
.....................................................page 4-88
Left/right side and rear side detection
Lane Departure Warning System
(LDWS).......................................page 4-90
Blind Spot Monitoring (BSM) ....................
.....................................................page 4-94
Road sign recognition
Traffic Sign Recognition System
(TSR)...........................................page 4-99
Inter-vehicle dist
ance recognition
Distance & Speed Alert (DSA)...................
...................................................page 4-106
Front obstruction detection when
passing cross
Front Cross Traffic Alert (FCTA) ...............
................................................... page 4-111
Rear obstruction detection when leaving
a parking space
Rear Cross Traffic Alert (RCTA)................
...................................................page 4-114
Full-surround recognition
360°View Monitor.................... page 4-166
Driver fatigue detection
Driver Attention Alert (DAA) ....................
...................................................page 4-107
Driver Monitoring (DM).......... page 4-109
Driver support systems
Inter-vehicle distance
Mazda Radar Cruise Control
(MRCC).................................... page 4-118
Mazda Radar Cruise Control with Stop &
Go function (MRCC with Stop & Go
function)....................................page 4-126
Lane departure
Lane-keep Assist System (LAS) .................
...................................................page 4-151
Inter-vehicle distan ce and lane keeping
Traffic Jam Assist (TJA).......... page 4-137
When Driving
i-ACTIVSENSE
*Some models.4-83
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