Page 1 MAZDA MAZDA 2021 Owners Manual

▼DSC OFF Indicator Light
This indicator light stays on for a few
seconds when the ignition is switched
ON.
It also illuminates when the DSC OFF
switch is pressed and TCS/DSC is
switched off.
Refer to DSC OFF Switch on page
4-80.

If the light remains illuminated and the
TCS/DSC is not switched off, take your
vehicle to an Authorized Mazda
Dealer. The DSC may have a
malfunction.
▼DSC OFF Switch
Press the DSC OFF switch to turn off
the TCS/DSC. The DSC OFF indicator
light in the instrument cluster will
illuminate.

Press the switch again to turn the
TCS/DSC back on. The DSC OFF
indicator light will turn
off.
NOTE
When DSC is on and you attempt to
free the vehicle when it is stuck, or
drive it out of freshly fallen snow, the
TCS (part of the DSC system) will
activate. Depressing the accelerator
will not increase engine power and
freeing the vehicle may be difficult.
When this happens, turn off the
TCS/DSC.
If the TCS/DSC is off when the
engine is turned off, it automatically
activates when the ignition is
switched ON.
Leaving the TCS/DSC on will provide
the best traction.
If the DSC OFF switch is pressed and
held for 10 seconds or more, the
DSC OFF switch malfunction
detection function operates and the
DSC system activates automatically.
The DSC OFF indicator light turns off
while the DSC system is operative.
(Vehicles with Smart Brake Support
(SBS))
If the Smart Brake Support (SBS)
operates with the TCS/DSC turned
off, the TCS/DSC becomes
operational automatically.
When Driving
ABS/TCS/DSC
4-80
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07

i-ACTIV AWD Operation*
▼i-ACTIV AWD Operation
AWD provides excellent drivability on
snow-covered and ice-packed roads,
sand and mud, as well as on steep
slopes and other slippery surfaces.
A system malfunction or operation
conditions are indicated by a warning.
Refer to AWD Wa
rning Indication/
Warning Light on page 7-31.
WARNING
Never spin a wheel that is off the
ground:
Spinning a wheel that is off the ground
as a result of the vehicle being stuck or
in a ditch is dangerous. The drive
assembly could be seriously damaged
which could lead to an accident or
could even lead to overheating, oil
leakage, and a fire.
▼AWD Driving
This vehicle has not been designed for
the purpose of off-road driving or
rallies. Do not attempt to drive over
uneven or rocky surfaces, or across
rivers.
Although this vehicle is equipped with
AWD, acceleration, steering and
braking operations should be
conducted in the same manner as with
a non-AWD vehicle, with the emphasis
placed on safe driving.
▼
Tires and Tire Chains
The condition of the tires plays a large
role in the performance of the vehicle.
Moreover, to prevent adverse effects to
the drive assembly, please note the
following:
Tires
When replacing tires, always replace
all front and rear tires at the same
time.
All tires must be of the same size,
manufacture, brand and tread
pattern. Pay particular attention
when equipping snow or other types
of winter tires.
Do not mix tread-worn tires with
normal tires.
Inspect tire
inflation pressures at the
specified periods adjust to the
specified pressures.
NOTE
Check the tire
inflation pressure label
attached to driver's door frame for the
correct tire inflation pressure.
Make sure to equip the vehicle with
genuine tires of the specified size, on
all wheels. With AWD, the system is
calibrated for all 4 wheels being of
the same dimensions.
Tire chains
Install tire chains to the front tires.Do not use tire chains on the rear
wheels.
Do not drive the vehicle faster than
30 km/h (19 mph) with the tire
chains installed.
Do not drive the vehicle with tire
chains on road conditions other than
snow or ice.
▼ To w i n g
If the vehicle requires towing, have it
towed with all 4 wheels completely
off
the ground.
Refer to Towing Description on page
7-23.
When Driving
i-ACTIV AWD
*Some models.4-83
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07

Powe r Ste er i n g
▼Power Steering
Power steering is only operable when
the engine is running. If the engine is
off or if the power steering system is
inoperable, you can still steer, but it
requires more physical effort.
If the steering feels stiffer than usual
during normal driving or the steering
vibrates, consult an Authorized
Mazda Dealer.
The malfunction indication notifies
the driver of system abnormalities
and operation conditions.
Refer to Power Steering Malfunction
Indication/Indicator Light on page
7-29.
When Driving
Powe r Ste er in g
4-84
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07

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. The
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 drive 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 4-90
High Beam Control System
(HBC).................................page 4-90
Left/right side and rear side detection
Lane Departure Warning System
(LDWS).............................. page 4-92
Blind Spot Monitoring (BSM)...............
.......................................... page 4-96
Road sign recognition
Traffic Sign Recognition System
(TSR)................................ page 4-101
Inter-vehicle distance recognition
Distance & Speed Alert (DSA) .............
........................................ page 4-108
Front obstruction detection when
approaching a crosswalk
Front Cross Traffic Alert (FCTA) ............
........................................ page 4-113
Rear obstruction detection when
leaving a parking space
Rear Cross Traffic Alert (RCTA) .............
........................................ page 4-116
Full-surround recognition
360°View Monitor............ page 4-168
Driver fatigue detection
Driver Attention Alert (DAA) ...............
........................................ page 4-109
Driver Monitoring (DM).... page 4-111
Driver support systems
Inter-vehicle distance
Mazda Radar Cruise Control
(MRCC)........................... page 4-120
Mazda Radar Cruise Control with Stop
& Go function (MRCC with Stop & Go
function).......................... page 4-128
Lane departure
Lane-keep Assist System (LAS) .............
........................................ page 4-154
Inter-vehicle distance and lane
keeping
Traffic Jam Assist (TJA)........ page 4-139
When Driving
i-ACTIVSENSE
*Some models.4-85
Mazda3_8JM2-EA-20H_Edition2_new
2020-8-19 13:13:07

▼Pre-Crash Safety Technology
Pre-crash safety technology is designed
to assist the driver in averting collisions
or reducing their severity in situations
where they cannot be avoided.
Collision damage reduction
Forward driving
Smart Brake Support (SBS) ..................
........................................ page 4-158
Reverse driving
Smart Brake Support [Rear]
(SBS-R).............................page 4-160
Smart Brake Support [Rear Crossing]
(S
BS-RC)............................. page 4-164
▼ Camera and Sensors
Forward Sensing Camera (FSC)
The Forward Sensing Camera (FSC)
detects lane indications and recognizes
headlights, taillights and city lights
during nighttime driving. In addition, it
also detects the vehicle ahead,
pedestrians, or obstructions. The
following systems use the Forward
Sensing Camera (FSC).
High Beam Control system (HBC)Lane Departure Warning System
(LDWS)
Tra ffi c
Sign Recognition System (TSR)Distance & Speed Alert (DSA)Driver Attention Alert (DAA)Mazda Radar Cruise Control
(MRCC)
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function)
Lane-keep Assist System (LAS)Tra ffi c Ja m A s s i s t ( TJ A )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 4-203.
Front radar sensor
The front radar sensor detects radio
waves reflected off a vehicle ahead
sent from the radar sensor. The
following systems use the front radar
sensor.
Distance & Speed Alert (DSA)Mazda Radar Cruise Control
(MRCC)
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function)
Traffic Jam Assist (TJA)Smart Brake Support (SBS)
The front radar sensor is mounted
behind the radiator grille.
Refer to Front Radar Sensor on page
4-207.
Front side radar sensor
The front side radar sensors detects
radio waves reflected off a vehicle
ahead sent from the radar sensor. The
following systems use the front side
radar sensor.
Front Cross Traffic Alert (FCTA)
The front side radar sensors are
installed inside the front bumper, one
on the left side and one on the right
side.
Refer to Front Side Radar Sensor on
page 4-209.
When Driving
i-ACTIVSENSE
4-86
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07

Rear side radar sensor
The rear side radar sensors emit radio
waves and detect the radio waves
reflected off a vehicle approaching
from the rear or an obstruction. The
following systems use the rear side
radar sensor.
Blind Spot Monitoring (BSM)Rear Cross Traffic Alert (RCTA)Smart Brake Support [Rear Crossing]
(SBS-RC)
The rear side radar sensors are installed
inside the rear bumper, one on the left
side and one on the right side.
Refer to Rear Side Radar Sensor on
page 4-211.
Rear/rear corner/rear side ultrasonic
sensor
The ultrasonic sensor detects ultrasonic
waves reflected
off obstructions at the
rear sent from the ultrasonic sensors.
The following systems use the
ultrasonic sensor.
Smart Brake Support [Rear] (SBS-R)Smart Brake Support [Rear Crossing]
(SBS-RC)
The ultrasonic sensors are mounted in
the rear bumper.
Refer to Rear/Rear corner/Rear Side
Ultrasonic Sensor on page 4-212.
Front camera/side cameras/rear
camera
The front camera, side cameras, and
rear camera shoot images of the area
surrounding the vehicle. The 360°View
Monitor uses each camera.
Cameras are installed to the front
bumper, door mirrors, and rear
bumper.
Refer to Front Camera/Side Cameras/
Rear Camera on page 4-213.
Driver monitoring camera
The driver monitoring camera detects
changes in the driver's facial features
and estimates the amount of
accumulated fatigue and sleepiness of
the driver. The following systems use
the driver monitoring camera.
Driver Monitoring (DM)
The driver monitoring camera is
mounted in the center display.
Refer to Driver Monitoring Camera on
page 4-214.
▼ i-ACTIVSENSE Status Symbol
(Warning/Risk Avoidance Support
System)
*
The system notifies the driver of any of
the following system status using the
color or OFF indication of the
i-ACTIVSENSE status symbol
(Warning/risk avoidance support
system).
Lane Departure Warning System
(LDWS)
Blind Spot Monitoring (BSM)Distance & Speed Alert (DSA)Front Cross Traffic Alert (FCTA)Rear Cross Traffic Alert (RCTA)Lane-keep Assist System (LAS)
NOTE
The status of the system turned on
using the personalization feature is
displayed.
i-ACTIVSENSE status symbol
(warning/risk avoidance support
system) (white)
When Driving
i-ACTIVSENSE
*Some models.4-87
Mazda3_8JM2-EA-20H_Edition2_new
2020-8-19 13:13:07

Adaptive Front LightingSystem (AFS)
*
▼Adaptive Front Lighting System
(AFS)
The adaptive front lighting system
(AFS) automatically adjusts the
headlight beams to the left or right in
conjunction with the operation of the
steering wheel after the headlights
have been turned on and the vehicle
speed is about 2 km/h (2 mph) or
higher.
A system malfunction or operation
conditions are indicated by a warning.
Refer to Exterior Light Warning
Indication/Warning Light on page
7-34.
NOTE
The Adaptive Front Lighting System
(AFS) can be switched to on/off using
the personalization function.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
High Beam Control
System (HBC)
*
▼ High Beam Control System (HBC)
The HBC determines the conditions in
front of the vehicle using the Forward
Sensing Camera (FSC) while driving in
darkness to automatically switch the
headlights between high and low
beams.
Refer to Forward Sensing Camera
(FSC) on page 4-203.
While driving the vehicle at a speed of
about 30 km/h (19 mph) or more, the
headlights are switched to high beams
when there are no vehicles ahead or
approaching in the opposite direction.
The system switches the headlights to
low beams when one of the following
occurs:
The system detects a vehicle or the
headlights/lights of a vehicle
approaching in the opposite
direction.
The vehicle is driven on roads lined
with streetlamps or on roads in
well-lit cities and towns.
The vehicle is driven at less than
about 20 km/h (12 mph).
The headlight high-beam indicator
light turns on while the high beams
are on.
1. Forward Sensing Camera (FSC)*1
When Driving
i-ACTIVSENSE
4-90*Some models.
Mazda3_8JM2-EA-20H_Edition2_new
2020-8-19 13:13:07

*1 The recognition distance of the ForwardSensing Camera (FSC) varies according to
the surrounding conditions.
The warning light turns on when the
system has a malfunction.
Refer to High Beam Control System
(HBC) Warning Indication/Warning
Light (Amber) on page 7-34.
CAUTION
Do not adjust the vehicle height,
modify the headlight units, or
remove the camera, otherwise the
system will not operate normally.
 Do not rely excessively on the HBC
and drive the vehicle while paying
sufficient attention to safety. Switch
the headlights between the high
beams and low beams manually if
necessary.
NOTE
The timing in which the system
switches the headlights changes under
the following conditions. If the system
does not switch the headlights
appropriately, manually switch
between high and low beams
according to the visibility as well as
road and traffic conditions.
When there are sources of light in
the area such as street lamps,
illuminated signboards, and traffic
signals.
When there are reflective objects in
the surrounding area such as
reflective plates and signs.
When visibility is reduced under rain,
snow and foggy conditions.
When driving on roads with sharp
turn or hilly terrain.
When the headlights/rear lamps of
vehicles in front of you or in the
opposite lane are dim or not
illuminated.
When there is insufficient darkness
such as at dawn or dusk.
When the trunk/luggage
compartment is loaded with heavy
objects or the rear passenger seats
are occupied.
When visibility is reduced due to a
vehicle in front of you spraying water
from its tires onto your windshield.
▼ To Operate the System
The HBC operates to switch the
headlights automatically between high
and low beams after the ignition is
switched ON and the headlight switch
is in the AUTO and low beam position.
The HBC determines that it is dark
based on the brightness of the
surrounding area. At the same time,
the HBC indicator light (green) in the
instrument cluster illuminates.

NOTE
Operation of the HBC function can be
disabled.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
When Driving
i-ACTIVSENSE
4-91
Mazda3_8JM2-EA-20H_Edition2_new
2020-8-19 13:13:07

▼Manual Switching
Switching to low beams
Switch the headlight switch to the
position, or press the high beam
control switch.
The HBC indicator light (green) turns
off.
1. High beam control switch

If the HBC is turned off using the high
beam control switch, press the high
beam control switch again to turn the
HBC back on.
Switching to high beams
Shift the lever to the high beam
position.
The HBC indicator light (green) turns
off and the headlight high-beam
indicator light is illuminated.
Lane Departure Warning
System (LDWS)
*
▼Lane Departure Warning System
(LDWS)
The LDWS alerts the driver that the
vehicle may be deviating from its lane.
The system detects the white (yellow)
lines on the traffic lane using the
forward sensing camera (FSC) and if it
determines that the vehicle might be
deviating from its lane, it
notifies the
driver by the LDWS.
Refer to Forward Sensing Camera
(FSC) on page 4-203.
Use the LDWS when you drive the
vehicle on roads with white (yellow)
lines.
1. Forward sensing camera (FSC)
2. Multi-information display
When Driving
i-ACTIVSENSE
4-92*Some models.
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07

System malfunction
If there is a problem with the system,
the i-ACTIVSENSE status symbol
(warning/risk avoidance support
system) (white) and the i-ACTIVSENSE
warning indication/warning light on
the multi-information display turns on
and a message is indicated.
Refer to i-ACTIVSENSE Status Symbol
(Warning/Risk Avoidance Support
System) on page 4-87.
▼LDWS Warning
If the system determines that the
vehicle may deviate from its lane, a
warning (beep sound, steering wheel
vibration) is activated and the direction
in which the system determines that
the vehicle may deviate is indicated on
the multi-information display.
NOTE
The LDWS settings can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
You may not be able to hear the
LDWS warning sound depending on
the surrounding conditions such as
outside noise.
If you set the LDWS to vibrate the
steering wheel, you may not feel the
vibrations depending on the road
surface conditions.
▼Canceling the System
The LDWS can be set to inoperable.
(If only the LDWS is turned
off)
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(If the LDWS is turned off by
operating the i-ACTIVSENSE OFF
switch)
Refer to i-ACTIVSENSE OFF Switch
on page 4-89.
NOTE
If the ignition is switched OFF while
you have canceled the system using the
i-ACTIVSENSE OFF switch, the system
is automatically enabled the next time
the ignition is switched ON. However,
if the system is canceled using the
personalization features, the system is
not automatically enabled.
When Driving
i-ACTIVSENSE
4-95
Mazda3_8JM2-EA-20H_Edition2_new 2020-8-19 13:13:07