Parking sensor MAZDA MODEL 3 HATCHBACK 2021 Owner's Manual

Parking Sensor System*
▼Pa r k i n g S e n s o r Sys t e m
The parking sensors use ultrasonic sensor
s which detect obstructions around the
vehicle when the vehicle is driven at low speeds, such as during garage or parallel
parking , and a buzzer sound and detection indicator notify the driver of the
approximate distance from the vehicle to the surrounding obstruction.

1. Front ultrasonic sensor*
2. Front corner ultrasonic sensor*
3. Rear ultrasonic sensor
4. Rear corner ultrasonic sensor
5. Rear side ultrasonic sensor
*
WARNING
Do not rely completely on the parking sensor system and be sure to con firm the
safety around your vehicl e visually when driving:
This system can assist the driver in operating the vehicle in the forward and
backward directions while parking. The detection ranges of the sensors are limited,
therefore, driving the vehicle while relying only on the system may cause an
accident. Always con firm the safety around your vehicle visually when driving.
When Driving
Pa r k i n g S e n s o r Sys te m
4-238*Some models.
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CAUTION
Do not install any accessories within the detection ranges of the sensors. It may
a ff ect the system operation.
 Depending on the type of obstruction and the surrounding conditions, the
detection range of a sensor may narrow, or the sensors may not be able to detect
obstructions.
NOTE
When the ignition is switched OFF, the system status before it was turned off is
maintained. For example, if the ignition is switched OFF while the parking sensor
is activated, the system will be activate d when the ignition is switched ON the
next time.
The system may not operate normally under the following conditions:
Mud, ice, or snow is adhering to the sensor area (Returns to normal operation
when removed).
The sensor area is frozen (Returns to normal operation when the ice is thawed).The sensor is covered by a hand.The sensor is excessively shocked.The vehicle is excessively tilted.Under extremely hot or cold weather conditions.The vehicle is driven on bumps, inclines, gravel, grating, or grass covered roads.Anything which generates ultrasonic wave s such as another vehicle's horn, the
engine sound of a motorcycle, the air brake sound of a large-sized vehicle, or
another vehicle's sensors approaches the vehicle.
The vehicle is driven in heavy rain or in road conditions causing water-splash.A commercially-available fender pole or an antenna for a radio transmitter is
installed to the vehicle.
The vehicle is moving towards a tall or square curbstone, or a steep grade.An obstruction is too close to the sensor.The vehicle is moving towards an uneven wall or stairs.There are multiple obstructions.The vehicle is driven in a place with low ceilings.Obstructions under the bumper cannot be detected. Obstructions which are
lower than the sensor or thin may not be detected even though they were
detected once.
The following types of obstructions may not be detected:
Thin objects such as wire, rope or polesThings which absorb sonic waves easily such as cotton or snowAngular shaped objectsVery tall objects, and those which are wide at the topSmall, short objectsAlways have the system inspected at an Authorized Mazda Dealer if any shock is
applied to the bumpers, even in a minor accident. If the sensors are deviated, they
cannot detect obstructions.
When Driving
Pa r k i n g S e n s o r Sys te m
4-239
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The system may have a malfunction if a sound is not activated or the detection
indication is not displayed even when the parking sensor OFF switch is pressed
and the parking sensor is operable. Have your vehicle inspected by an Authorized
Mazda Dealer.
The system may have a malfunction if th e indicator light does not turn on even
when the parking sensor OFF switch is turned on. Have your vehicle inspected by
an Authorized Mazda Dealer.
The system may have a malfunction if a message indicating a system malfunction is
displayed. Have your vehicle inspected by an Authorized Mazda Dealer.
A message may be displayed even when the ambient temperature is extremely
cold, or mud, ice, or snow adheres to the sensor area. Remove any foreign matter
from the sensor area.
▼ Sensor Detection Range
The sensors detect obstructions within the following range.

1. Front ultrasonic sensor detection range
2. Rear corner/Rear side ultrasonic sensor detection range
3. Rear ultrasonic sensor detection range
4. Front corner ultrasonic sensor detection range
A
: About 55.0 cm (About 21.6 in)
B : About 150 cm (About 59.0 in)
C : About 100 cm (About 39.3 in)

When Driving
Pa r k i n g S e n s o r Sys te m
4-240
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DisplayDistance between vehicle and obstruc-
tion
Without 360° view monitor
With 360° viewmonitor Front ultrasonic
sensor
*/Front cor-
ner ultrasonic sen-
sor
*
Rear ultrasonic sen-sor/Rear corner ul- trasonic sensor/
Rear side ultrasonic
sensor
*
Without front ul-trasonic sensor
and front corner
ultrasonic sensor With front ultra-
sonic sensor and
front corner ultra-
sonic sensor
RedFront ultrasonic sen-
sor:
Within approx. 35.0
cm (13.7 in)
Front corner ultra- sonic sensor:
Within approx. 25 cm (9.8 in) Rear ultrasonic sen-
sor:
Within approx. 35.0 cm (13.7 in)
Rear corner ultra-
sonic sensor/Rear
side ultrasonic sen-
sor:
Within approx. 25
cm (9.8 in)
▼Parking Sensor OFF Switch
When the switch is pressed, the
parking sensor is stopped and the
indicator light turns on.
If the switch is pressed again, the
parking sensor becomes operational
and the indicator light turns o
ff.
1. Indicator light
NOTE
(Automatic vehicle)
The detection indicator and buzzer
of the front ultrasonic sensors/front
corner ultrasonic sensors do not
operate when the selector lever is in
the P position.
The detection indicator and buzzer
sound do not activate when the
parking brake is applied.
When Driving
Pa r k i n g S e n s o r Sys te m
4-242*Some models.
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▼Parking Sensor Warning Beep
Informs the driver of the approximate dist
ance from the vehicle to the obstruction
using warning beeps depending on the distance. If multiple obstructions are
detected at the same time, warning beeps are activated according to the distance to
the nearest obstruction. The warning beeps are activated as follows while the system
is operating. However, the warning beeps are not activated while the seat belt
reminder is operating.
Front ultrasonic sensor
*, Rear ultrasonic sensor
Distance De-
tection area Distance between vehicle and obstruction
Beeper sound*1Front ultrasonic sensor Rear ultrasonic sensor
Farthest dis- tance Approx. 100―
60.0 cm
(39.3 ―23.6 in)
Approx. 150― 60.0 cm
(59.0 ―23.6 in)
Slow intermittent
sound
Far distance Approx. 60.0
―45.0 cm
(23.6 ―17.7 in)
Approx. 60.0― 45.0 cm
(23.6 ―17.7 in)
Medium intermit-
tent sound
Middle dis- tance Approx. 45.0
―35.0 cm
(17.7 ―13.7 in)
Approx. 45.0― 35.0 cm
(17.7 ―13.7 in)
Fast intermittent
sound
When Driving
Pa r k i n g S e n s o r Sys te m
*Some models.4-245
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▼Low Fuel Warning Beep
When the low fuel warning light
fl
ashes, a warning beep is activated
once at the same time.
▼ Brake Override Warning Beep
A warning beep is activated when the
accelerator pedal and brake pedal are
depressed at the same time while
driving. Only depress the brake pedal.
▼Shift Position Warning Beep
A sound is activated when the push
button start is pressed while the
selector lever is in a position other
than P, and the ignition is switched to
ACC. Check the selector lever
position.
▼Electric Parking Brake (EPB)
War n in g Be ep
The warning buzzer is activated under
the following conditions:
The vehicle is driven with the parking
brake applied.
The Electric Parking Brake (EPB)
switch is pulled while the vehicle is
driven.
You attempt to start driving the
vehicle while the conditions for
releasing the Electric Parking Brake
(EPB) automatically have not been
met.
▼
AUTOHOLD Warning Beep
Warning light
flashes/message is
displayed and beep sound is activated
simultaneously for about 5 seconds
when using AUTOHOLD function or
when AUTOHOLD switch is operated.
Because a problem with AUTOHOLD
function has occurred, AUTOHOLD
function does not operate even if
AUTOHOLD switch is operated.

If the warning light flashes/message is
displayed and the beep sound is
activated simultaneously, have your
vehicle inspected at an Authorized
Mazda Dealer.
▼ Vehicle Problem Warning Beep
If any of the following problems occur,
a warning beep is activated. Check the
information regarding the warning
indication in the instrument cluster or
on the center display.
Automatic transmission problemIncrease in automatic transmission
internal temperature
Brake
fluid amount decreaseEngine oil level sensor problemElectric Parking Brake (EPB) problemEngine hydraulic pressure decreaseEngine coolant temperature increaseEngine system problem
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-45
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Index
Display indication............... 4-131
Setting the system...............4-133
Stop hold control............... 4-138
Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) System
Warnings.................................. 7-46
Mazda Radar Cruise Control
(MRCC).................................. 4-120 Close proximity warning...... 4-123
Display indication............... 4-122
Setting the system...............4-124
Shift-up/shift-down request
display............................... 4-128
Mazda Radar Cruise Control (MRCC)
System Warnings....................... 7-46
Message Indicated on Multi-
information Display................... 7-39
Meters...................................... 4-12
Mirrors Outside mirrors.................... 3-30
Rearview mirror.................... 3-32
Mirror Defogger........................ 4-59
Moonroof................................. 3-37
Multi-information Display.......... 4-14
O
Outside Mirrors.........................3-30
Overhead Console.................... 5-46
Overhead Lights........................ 5-39
Overheating.............................. 7-21
Overloading.............................. 3-49
Owner Maintenance Closing the hood..................6-14
Engine compartment
overview.............................. 6-15
Key battery replacement........6-31
Opening the hood................ 6-13
Owner maintenance
precautions.......................... 6-12
P
Parking Brake............................ 4-66
Parking Sensor System............. 4-238Parking Sensor OFF Switch... 4-242
Sensor detection range........4-240
Power Steering.......................... 4-84
Power Windows........................ 3-34
R
Rearview Mirror........................ 3-32
Rear Coat Hooks....................... 5-45
Rear Cross Tra ffic Alert (RCTA) ...........
.............................................. 4-116
Rear Cross Traffic Alert (RCTA)
Warning Beep........................... 7-46
Rear Door Child Safety Locks..... 3-19
Rear Side Radar Sensor............ 4-211
Rear View Monitor.................. 4-223 Displayable range on the
screen................................ 4-225
Rear view monitor
operation........................... 4-228
Rear view parking camera
location............................. 4-224
Switching to the rear view monitor
display............................... 4-225
Variance between actual road
conditions and displayed
image................................ 4-235
Viewing the display.............4-226
Rear Window Defogger............. 4-58
Rear Window Washer................ 4-57
Rear Window Wiper.................. 4-57
Recommended Oil.................... 6-17
Recording of Vehicle Data..........8-20
Recreational Towing.................. 3-51
Registering Your Vehicle in A Foreign
Country.................................... 8-16
Replacement
10-7
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Index
Horn.................................... 4-59
Storage Compartments.............. 5-45 Center console..................... 5-46
Glove compartment..............5-46
Overhead console................ 5-46
Storage pocket..................... 5-46
Storage Pocket.......................... 5-46
Sunshade.................................. 3-39
Sunvisors.................................. 5-38
T
Theft-Deterrent System.............. 3-42
Three- flash Turn Signal...............4-52
Tiedown Hook.......................... 7-24
Tires......................................... 6-33 Replacing a tire.................... 6-35
Replacing a wheel................ 6-37
Snow tires............................ 3-47
Speci fications....................... 9-10
Temporary spare tire............. 6-36
Tire chains............................3-48
Tire in flation pressure............6-34
Tire rotation......................... 6-34
Uniform tire quality grading
system (UTQGS)................... 8-21
Tire Information Location of the tire label
(placard).............................. 8-27
Steps for determining the correct
load limit............................. 8-34
Tire labeling......................... 8-23
Tire maintenance.................. 8-29
Vehicle loading.....................8-31
Tire Pressure Monitoring
System.................................... 4-219
Touch Sensor Inoperable Warning
Beep (With the advanced keyless
function)...................................7-44
To w i n g Recreational towing.............. 3-51
Trailer towing....................... 3-51
Towing Description................... 7-23
Traction Control System (TCS).... 4-78 TCS/DSC indicator light........4-78
Tra ffic Jam Assist (TJA).............. 4-139
Close proximity warning...... 4-145
Display indication............... 4-143
Setting the system...............4-146
Shift-up/shift-down request
display............................... 4-153
Stop hold control............... 4-153
Tra ffic Sign Recognition System
(TSR)...................................... 4-101
Trouble Battery runs out.................... 7-17
Emergency starting................7-20
Flat tire.................................. 7-7
Overheating......................... 7-21
Parking in an emergency......... 7-2
When liftgate/trunk lid cannot be
opened................................ 7-48
Trunk Lid...................................3-19 Inside trunk release lever....... 3-24
When liftgate/trunk lid cannot be
opened................................ 7-48
Trunk Light................................ 5-39
Turn and Lane-Change Signals.... 4-52
Turn Signals.............................. 4-52
U
Ultrasonic Sensor.................... 4-212
V
Vehicle Information Labels Chassis number...................... 9-2
Engine number....................... 9-3
Motor vehicle safety standard
label...................................... 9-2
Tire pressure label.................. 9-2
10-9
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Index
Vehicle emission control
information label.................... 9-2
Vehicle identification
number..................................9-2
Vehicle Problem Warning Beep... 7-45
W
Warning Sound is Activated AUTOHOLD warning beep.... 7-45
Blind Spot Monitoring (BSM)
warning beep....................... 7-46
Brake override warning
beep.................................... 7-45
Collision warning..................7-47
Door-ajar warning beep........ 7-47
Electric Parking Brake (EPB)
warning beep....................... 7-45
Excessive speed warning........7-47
Front Cross Tra ffic Alert (FCTA)
Warning Beep...................... 7-46
Ignition not switched o ff (STOP)
warning beep....................... 7-43
Key left-in-luggage compartment/
trunk warning beep (With the
advanced keyless function).... 7-44
Key left-in-vehicle warning beep
(With the advanced keyless
function).............................. 7-44
Key removed from vehicle warning
beep.................................... 7-43
Lane departure warning
sound.................................. 7-46
Liftgate Door-lock Switch
Inoperable Warning Beep...... 7-44
Lights-on reminder............... 7-42
Low fuel warning beep..........7-45
Mazda Radar Crui se Control with
Stop & Go function (MRCC with
Stop & Go function) system
warnings.............................. 7-46
Mazda Radar Cruise Control
(MRCC) system warnings...... 7-46
Rear Cross Tra ffic Alert (RCTA)
Warning Beep...................... 7-46
Seat belt warning beep......... 7-42
Shift position warning beep... 7-45
Touch sensor inoperable warning
beep (With the advanced keyless
function).............................. 7-44
Vehicle problem warning
beep.................................... 7-45
Warranty................................... 8-15
Weights...................................... 9-7
Windows Power windows.................... 3-34
Windshield Washer................... 4-56
Windshield Wipers.................... 4-53
Windshield Wipers Operate at High
Speed....................................... 7-51
Windshield Wiper De-icer..........4-58
Winter Driving...........................3-47
Wiper Replacing Rear Window Wiper
Blade (5-Door).....................6-27
Replacing windshield wiper
blades..................................6-24
0-9
360°View Monitor.................. 4-168How to use the system........ 4-178
Margin of error between road
surface on screen and actual road
surface............................... 4-197
Side view........................... 4-187
Top view/front view............4-182
Top view/front wide view.... 4-185
Top view/rear view............. 4-190
Top view/rear wide view..... 4-195
Types of images displayed on the
screen................................ 4-173
10-10
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