2021 MAZDA MODEL CX-3 sensor

SignalWarning Action to be taken
Seat Belt Warning
Light Mexico
The seat belt warning lig
ht turns on if the
driver or front passenger's seat is occupied
and the seat belt is not fastened with the ig ‐
nition switched ON.
If the driver or front passenger's seat belt is
unfastened (only when the front passenger's
seat is occupied) and the vehicle is driven at
a speed faster than ab out 20 km/h (12 mph),
the warning light flashes. After a short time,
the warning light stops flashing, but re ‐
mains illuminated. If a seat belt remains un ‐
fastened, the warning light flashes again for
a given period of time.
NOTE
Placing heavy items on the front pas ‐
senger's seat may cause the front pas ‐
senger's seat belt warning function to op ‐
erate depending on the weight of the
item.
To allow the front passenger seat weight
sensor to function properly, do not place
and sit on an additio nal seat cushion on
the front passenger's seat. The sensor
may not function prop erly because the
additional seat cushion could cause sen ‐
sor interference.
If a small child is seated on the front pas ‐
senger's seat, the warning light may not
operate. Fasten the seat belts.
Door-Ajar Warning
Light The light turns on if any door/liftgate is not
closed securely.
Close the door/liftgate securely.
Low Washer Fluid
Level Warning Light*
This warning light indicates that little wash ‐
er fluid remains. Add washer fluid (page 6-27).
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-35
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SignalWarning Action to be taken
(Amber)
Smart Brake Support/
Smart City Brake Sup ‐
port (SBS/SCBS)
Warning Light
*
The light turns on if the windshield or the
radar sensor are dirty, or there is a malfunc ‐
tion in the system. (Vehicles with type B audio)
Verify the reason why the warning light is
illuminated on the center display (page
7-26).
If the reason why th
e warning light is illu ‐
minated is due to a dirty windshield, clean
the windshield.
If the warning light is illuminated because
of a dirty radar sensor, clean the front em ‐
blem.
For any other reasons, have the vehicle in ‐
spected at an Authorized Mazda Dealer.
(Vehicles without type B audio)
If the reason why th e warning light is illu ‐
minated is due to a dirty windshield, clean
the windshield. For any other reasons,
have the vehicle inspected at an Author ‐
ized Mazda Dealer.

Tire Pressure Monitoring System Warning Light (Turns on)
*
Take the appropriate action and verify that the warning light turns off.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-36*Some models.
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NOTE
To allow the front passenger occupant
classification sensor to function
properly, do not place and sit on an
additional seat cushion on the front
passenger's seat. The sensor may not
function properly because the additional
seat cushion could cause sensor
interference.
If a small child is seated on the front
passenger's seat, the warning beep may
not operate.
Mexico
If the vehicle speed exceeds about 20
km/h (12 mph) with the driver or front
passenger's seat belt unfastened, a warning
beep sounds continuously. If the seat belt
remains unfastened, the beep sound stops
once and then cont inues for about 90
seconds. The beep stops after the driver or
front passenger's seat belt is fastened.
Until a seat belt is fastened or a given
period of time has elapsed, the beep sound
will not stop even if the vehicle speed falls
below 20 km/h (12 mph).
NOTE
Placing heavy items on the front
passenger's seat may cause the front
passenger's seat belt warning function
to operate depending on the weight of
the item.
To allow the front passenger seat weight
sensor to function properly, do not place
and sit on an additional seat cushion on
the front passenger's seat. The sensor
may not function properly because the
additional seat cushion could cause
sensor interference.
If a small child is seated on the front
passenger's seat, the warning beep may
not operate.
▼ Ignition Not Switched Off (STOP)
Warning Beep
If the driver's door is opened with the
ignition switched to ACC, a beep will be
heard continuously in the cabin to notify
the driver that the ignition has not been
switched OFF (STOP). Under this
condition, the keyless entry system will
not operate, the vehicle cannot be locked,
and the battery voltage will be depleted.
▼Key Removed from Vehicle Warning
Beep
Vehicles with advanced keyless function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, the beep which
sounds outside of the vehicle will be heard
6 times, the beep which sounds inside the
vehicle will be
heard 6 times.
Vehicles without advanced keyless
function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, a beep will be heard
in the cabin 6 times.
NOTE
Because the key utilizes low-intensity
radio waves, the Key Removed From
Vehicle Warning may activate if the key is
carried together with a metal object or it
is placed in a poor si gnal reception area.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Index
Coming home light......................4-44
Control......................................... 4-40
Flashing....................................... 4-44
High-low beam............................ 4-44
Leaving home light..................... 4-45
Leveling....................................... 4-45
Head Restraint................................... 2-17
High Beam Control System
(HBC)................................................ 4-79
Hill Launch Assist (H LA)................ 4-63
Hood Release.................................... 6-19
Horn...................................................4-53
I
If a Warning Light Turns On or
Flashes............................................... 7-26
If the Active Driving Display does not
operate............................................... 7-48
Ignition Switch............................................ 4-4
Ignition not switched off (STOP)
warning beep..................................... 7-43
Illuminated Entry System............... 5-143
Immobilizer System.......................... 3-36
Indicator Lights................................. 4-23 Low engine coolant
temperature.................................. 4-26
Wrench......................................... 4-25
Inspecting Brake/Clutch Fluid
Level.................................................. 6-27
Inspecting Coolant Leve l.................. 6-25
Inspecting Engine Oil Level............. 6-24
Inspecting Washer Fluid Level......... 6-27
Instrument Cluster... .......................... 4-11
Interior Care...................................... 6-59 Active driving display
maintenance................................. 6-61
Cleaning the floor mats............... 6-61
Cleaning the window interiors.....6-61
Instrument panel top
maintenance................................. 6-60
Leather upholstery
maintenance................................. 6-60
Panel maintenance....................... 6-61
Plastic part maintenance.............. 6-60
Seat belt maintenance..................6-59
Upholstery and synthetic leather
maintenance................................. 6-59
Vinyl upholstery maintenance..... 6-59
Interior Lights................................. 5-142 Luggage Compartment Light.....5-142
Map Lights................................ 5-142
Overhead Lights........................ 5-142
i-ACTIVSENSE................................ 4-75 Active Safety Technology........... 4-75
Adaptive Front Lighting System
(AFS)........................................... 4-78
Advanced Smart City Brake Support
(Advanced SCBS)..................... 4-116
Blind Spot Monitoring (BSM).....4-87
Camera and sensors..................... 4-76
Distance Recognition Support System
(DRSS).........................................4-99
Forward Sensing Camera
(FSC)......................................... 4-126
High Beam Control System
(HBC).......................................... 4-79
Lane Departure Warning System
(LDWS)....................................... 4-82
Mazda Radar Cruise Control with
Stop & Go function (MRCC with
Stop & Go function)..................4-104
Pre-Crash Safety Technology...... 4-75
Radar Sensors (Rear).................4-134
Radar sensor (front)...................4-131
Rear Cross Traffic Alert
(RCTA)...................................... 4-101
Smart Brake Support (SBS)...... 4-123
Smart City Brake Support
(SCBS)....................................... 4-120
10-5
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Index
Key battery replacement..............6-34
Opening the Hood....................... 6-19
Owner Maintenance
Precautions...................................6-17
P
Parking Brake....................................4-55
Personalization Features..................... 9-9
Power Steering.................................. 4-74
Power steering warning buzzer......... 7-44
Power Windows............. ................... 3-30
R
Radar Sensors (Rear)...................... 4-134
Radar Sensor (Front).......................4-131
Rearview Mirror........ ........................3-29
Rear Coat Hooks............................. 5-150
Rear Cross Traffic Alert (RCTA).... 4-101
Rear Door Child Safe ty Locks.......... 3-19
Rear Seat........................................... 2-14
Rear View Monitor......................... 4-144 Displayable range on the
screen......................................... 4-146
Picture quality adju stment......... 4-150
Rear view monitor operation..... 4-147
Rear view parking camera
location...................................... 4-145
Switching to the rear view monitor
display........................................4-145
Variance between actual road
conditions and displayed
Image......................................... 4-149
Viewing the display................... 4-147
Rear Window Defogger .................... 4-52
Rear Window Washer....................... 4-51
Rear Window Wiper.... ..................... 4-51
Recommended Oil.............................6-22
Recording of Vehicle Data................ 8-22
Recreational Towing......................... 3-47
Registering Your Vehicle in A Foreign
Country.............................................. 8-18
Replacement Fuse..............................................6-47
Key battery.................................. 6-34
Light Bulbs.................................. 6-40
Tires............................................. 6-38
Wheel........................................... 6-39
Wiper........................................... 6-29
Request switch inoperable warning beep
(With the advanced keyless
function)............................................ 7-44
Rocking the Vehicle.......................... 3-42
S
Safety Defects, Reporting................. 8-14
Saving Fuel and Protection of the
Environment...................................... 3-40
Scheduled Maintenance...................... 6-4
Seats.................................................... 2-5
Driver's seat................................... 2-5
Driving position memory............ 2-10
Front passenger's seat.................. 2-13
Front seat....................................... 2-5
Head restraint.............................. 2-17
Rear seat...................................... 2-14
Seat warmer................................. 2-19
Seat Belt System Automatic locking....................... 2-23
Emergency locking...................... 2-23
Extender....................................... 2-28
Pregnant women.......................... 2-22
Seat belt precautions................... 2-21
Seat belt warning beep...................... 7-42
Security System Immobilizer system..................... 3-36
Theft-deterrent system................. 3-38
Smart Brake Support (SBS)............ 4-123 Collision warning...................... 4-125
10-7
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