2021 MAZDA MODEL 3 HATCHBACK brakes

If a Warning Light TurnsOn or Flashes
▼If a Warning Light Turns On or
Flashes
If any warning light turns on/
flashes,
take appropriate action for each light.
There is no problem if the light turns
o ff, however if the light does not turn
o ff or turns
on/flashes again, consult
an Authorized Mazda Dealer.
The details for some warnings can be
viewed on the center display or
multi-information display in the
instrument cluster.
Center display
1. Select “Information” on the home screen.
2. Select “Vehicle Status Monitor”.
3. Select the applicable warning to view the warning details.
NOTE
You can also display the currently
occurring warning by sliding the
commander knob to the left while on
the home screen of the center display.
Multi-information display
1. Press the INFO switch on thesteering switch to display the
warning indication screen.
Refer to Multi-information Display
on page 4-14.
▼Brake System Warning Indication/
Warning Light
This warning has the following
functions:
Warning light inspection
For an operation check, make sure that
the light turns on when the ignition is
switched on, and turns o
ff a few
seconds later or when the engine is
started.
When the light turns on
If the brake system warning light
remains illuminated the brake fluid
may be low or there could be a
problem with the brake system. Park
the vehicle in a safe place immediately
and contact an Authorized Mazda
Dealer.
Refer to Inspecting Brake/Clutch Fluid
Level on page 6-21.
WARNING
Do not drive with the brake system
warning light illuminated. Contact an
Authorized Mazda Dealer to have the
brakes inspected as soon as possible:
Driving with the brake system warning
light illuminated is dangerous. It
indicates that your brakes may not
work at all or that they could
completely fail at any time. If this light
remains illuminated, after checking
that the parking brake is fully released,
have the brakes inspected
immediately.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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CAUTION
In addition, the
eff ectiveness of the
braking may diminish so you may
need to depress the brake pedal
more strongly than normal to stop
the vehicle.

▼ Electronic Brake Force Distribution
System Warning
If the electronic brake force
distribution control unit determines
that some components are operating
incorrectly, the control unit may
illuminate the brake system warning
light and the ABS warning light
simultaneously. The problem is likely to
be the electronic brake force
distribution system.
WARNING
Do not drive with both the brake
system warning light and ABS warning
light illuminated. Have the vehicle
towed to an Authorized Mazda
Dealer to have the brakes inspected as
soon as possible:
Driving when the brake system warning
light and ABS warning light are
illuminated simultaneously is
dangerous.
When both lights are illuminated, the
rear wheels could lock more quickly in
an emergency stop than under normal
circumstances.
▼
Charging System Warning
Indication/Warning Light
If the warning light illuminates while
driving , it indicates a malfunction of
the alternator or of the charging
system.
Drive to the side of the road and park
o
ff the right-of-way. Consult an
Authorized Mazda Dealer.
CAUTION
Do not continue driving when the
charging system warning light is
illuminated because the engine could
stop unexpectedly.
▼ Engine Oil Warning Indication/
Warning Light
This warning light indicates low engine
oil pressure.
CAUTION
Do not run the engine if the oil
pressure is low. Otherwise, it could
result in extensive engine damage.
If the light illuminates or the warning
indication is displayed while driving:
1. Drive to the side of the road and
park off the right-of-way on level
ground.
2. Turn off the engine and wait 5
minutes for the oil to drain back
into the oil pan.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼ABS Warning Indicat ion/Warning
Light
If the ABS warning light stays on while
you're driving , the ABS control unit has
detected a system malfunction. If this
occurs, your brakes will function
normally as if the
vehicle had no ABS.
Should this happen, consult an
Authorized Mazda Dealer as soon as
possible.
NOTE
When the engine is jump-started to
charge the battery, uneven rpm
occurs and the ABS warning light
may illuminate. If this occurs, it is the
result of the weak battery and does
not indicate an ABS malfunction.
Recharge the battery.
The brake assist system does not
operate while the ABS warning light
is illuminated.
▼ Master Warning Indication
The indication displays if the system
has a malfunction.
Check the reason for the indication
displaying on the center display or
multi-information display.
Refer to If a Warning Light Turns On or
Flashes on page 7-27.
▼
Brake Control System Warning
Indication/Warning Light
The warning light illuminates when the
system has a malfunction. Have your
vehicle inspected at an Authorized
Mazda Dealer.
▼Electric Parking Brake (EPB)
Indication/Indicator Light
This warning has the following
functions:
Parking brake warning/Indicator light
inspection
The light illuminates when the parking
brake is applied with the ignition
switched to START or ON. It turns
off
when the parking brake is released.
When the light is flashing
The light flashes if the Electric Parking
Brake (EPB) has a malfunction. If the
light remains flashing even if the
Electric Parking Brake (EPB) switch is
operated, consult an Authorized
Mazda Dealer as soon as possible.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Tire Pressure Monitoring System
(TPMS) Warning Indication/
Warning Light (Flashing)
If there is a problem with the TPMS or
the voltage of a tire pressure sensor
decreases, the TPMS warning light
fl
ashes and a message is displayed on
the multi-information display. Have
your vehicle inspected by an
Authorized Mazda Dealer.
WARNING
Do not drive the vehicle at high
speeds if the TPMS warning light turns
on or fl ashes:
Driving the vehicle at high speeds
while the TPMS warning light is turned
on or fl ashing is dangerous because
the brake performance and the
steering wheel operability will be
reduced. If the vehicle is driven at high
speeds or the brakes are suddenly
applied, it could lead to an accident.
Gradually apply the brakes to lower the
vehicle's speed.
Do not ignore the TPMS warning light
when it is turned on or flashing:
Continuing to drive the vehicle while
ignoring the illumination/ flashing of
the TPMS warning light is dangerous
because a tire may burst which could
lead to an accident. Take appropriate
measures as soon as possible.
▼ KEY Warning Indication/Warning
Light (Red)
“Keyless Entry System Malfunction.
Have the Vehicle Inspected” is
displayed
This message is displayed if the
advanced keyless entry & push button
start system has a problem.
Contact an Authorized Mazda Dealer.
CAUTION
If the message is indicated, or the push
button start indicator light (amber)
fl
ashes, the engine may not start. If the
engine cannot be started, try starting it
using the emergency operation for
starting the engine, and have the
vehicle inspected at an Authorized
Mazda Dealer as soon as possible.
Refer to Emergency Operation for
Starting the Engine on page 4-9.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Door-Ajar/Trunk lid-Ajar/
Liftgate-Ajar Warning Indication/
Warning Light
The light turns on if any door/trunk
lid/liftgate is not closed securely.
Action to be taken
Close the door/trunk lid/liftgate
securely.
▼Tire Pressure Monitoring System
(TPMS) Warning Indication/
Warning Light (Turns on)
If a tire pressure decreases below the
speci
fied air pressure, the TPMS
warning light turns on.
At the same time, a message and the
tire pressure of each tire are displayed
on the multi-information display
alternately. In addition, the tire (s) with
low air pressure is displayed in yellow.
WARNING
Do not drive the vehicle at high
speeds if the TPMS warning light turns
on or flashes:
Driving the vehicle at high speeds
while the TPMS warning light is turned
on or fl ashing is dangerous because
the brake performance and the
steering wheel operability will be
reduced. If the vehicle is driven at high
speeds or the brakes are suddenly
applied, it could lead to an accident.
Gradually apply the brakes to lower the
vehicle's speed.
Do not ignore the TPMS warning light
when it is turned on or flashing:
Continuing to drive the vehicle while
ignoring the illumination/ flashing of
the TPMS warning light is dangerous
because a tire may burst which could
lead to an accident. Take appropriate
measures as soon as possible.
NOTE
While the TPMS is learning the tire
positions, such as immediately after a
tire position has been changed, the tire
pressure at the tire position prior to it
being changed is displayed until the
system completes the learning. For this
reason, the tire pressures displayed for
the tire positions may be di fferent from
the actual tire pressures at the tire
positions.
Action to be taken
Adjust the tire pressures to the
appropriate pressures.
Refer to Tire In flation Pressure on page
6-34.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Display*1*2ContentAction to be taken
Mazda Radar Cruise
Control Canceled. Drive
Safely This message is indicated when the
Mazda Radar Cruise Control
(MRCC), Mazda Radar Cruise Con-
trol with Stop & Go function (MRCC
with Stop & Go function), and the
Tra
ffic Jam Assist (TJA) have been can-
celed other than by the driver. Have your vehicle inspected by an
Authorized Mazda Dealer.
Distance & Speed Alert
Operation Canceled
Drive Safely This message is indicated when the
Distance & Speed Alert (DSA) have
been canceled other than by the driv-
er.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Cruise Control Opera-
tion Canceled. Drive
Safely This message is indicated when the
Cruise Control have been canceled
other than by the driver.
Have your vehicle inspected by an
Authorized Mazda Dealer.
Emergency Braking Acti-
vated. Depress Brake
Pedal to Hold Stop This message is indicated after the
Smart Brake Support (SBS) brakes op-
erate and when the Smart Brake Sup-
port (SBS) is canceled.
Depress the brake pedal.
Touch Key Fob to Push
Button Start Switch This message is indicated when the
key battery is weak (battery dead or
damaged key). Touch the key against push button
start to start the engine.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
Depress Brake Pedal to
Start Vehicle This message is indicated when the
push button start is pressed without
depressing the brake pedal. When starting the engine, press the
push button start with the brake ped-
al depressed.
Depress Clutch Pedal to
Start Vehicle This message is indicated when the
push button start is pressed without
depressing the clutch pedal. When starting the engine, press the
push button start with the clutch
pedal depressed.
Check Gear Selector
Lever Position This message is indicated when the
selector lever is shifted to the P or R
position while driving.
Check the selector lever position.
Close Door and Fasten
Seat Belt This message is indicated when AU
-
TOHOLD is about to operate and a
door is opened or a seat belt is unfas-
tened. When the AUTOHOLD is turned on,
close the doors and fasten seat belts.
Wiper Blades Must Be
on Windshield Before
Operating This message is indicated when the
ignition is switched ON with the wip-
er arms at the service positions.
Return the wiper arms to the initial
positions.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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7. Repeat with each tire, including thespare.
NOTE
Some spare tires require higher
inflation pressure.
8. Visually inspect the tires to make sure there are no nails or other
objects embedded that could poke
a hole in the tire and cause an air
leak.
9. Check the sidewalls to make sure there are no gouges, cuts, bulges,
cracks or other irregularities.
▼Glossary of Terms
Tire Placard:
A label indicating the OE
tire sizes, recommended inflation
pressure, and the maximum weight the
vehicle can carry.
Tire Identi fication Number (TIN):
A
number on the sidewall of each tire
providing information about the tire
brand and manufacturing plant, tire
size, and date of manufacture.
In flation Pressure:
A measure of the
amount of air in a tire.
kPa: Kilopascal, the metric unit for air
pressure.
psi: Pounds per square inch, the
English unit for air pressure.
B -pillar: The structural member at the
side of the vehicle behind the front
door.
Original Equipment (OE): Describes
components originally equipped on
the vehicle.
Vehicle Load Limit: The maximum
value of the combination weight of
occupants and cargo.
Bead Area of the Tire: Area of the tire
next to the rim.
Sidewall Area of the Tire: Area
between the bead area and the tread.
Tread Area of the Tire: Area on the
perimeter of the tire that contacts the
road when it's mounted on the
vehicle.

Seating capacity means the total
allowable number of vehicle
occupants. Seating capacity is
described on the tire label.

Production options weight is the
combination weight of installed regular
production options weighing over 2.3
kilograms in excess of the standard
items which they replace, and not
previously considered in the curb
weight or accessory weight, including
heavy duty brakes, ride levelers, roof
rack, heavy duty battery, and special
trim.

Rim is the metal support (wheel) for a
tire or a tire and tube assembly upon
which the tire beads are seated.
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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Ve h i c l e L o a d i n g
▼Ve h i c l e L o a d i n g
WARNING
Do not tow a trailer with this vehicle:
Towing a trailer with this vehicle is
dangerous because it has not been
designed to tow a trailer and doing so
will
aff ect the drive system which could
result in vehicle damage.
This section will guide you in the
proper loading of your vehicle, to keep
your loaded vehicle weight within its
design rating capability. Properly
loading your vehicle will provide
maximum return of vehicle design
performance. Before loading your
vehicle, familiarize yourself with the
following terms for determining your
vehicle's weight ratings, from the
vehicle's Safety Certi fication Label and
Tire and Load Information Label:
WARNING
Overloaded Vehicle:
Overloading a vehicle is dangerous.
The results of overloading can have
serious consequences in terms of
passenger safety. Too much weight on
a vehicle's suspension system can
cause spring or shock absorber failure,
brake failure, handling or steering
problems, irregular tire wear, tire
failure or other damage.
Overloading makes a vehicle harder to
drive and control. It also increases the
distance required for stopping. In cases
of serious overloading, brakes can fail
completely, particularly on steep
grades. The load a tire will carry safely
is a combination of the size of the tire,
its load range, and corresponding
in flation pressure.
Never overload the vehicle and always
observe the vehicle's weight ratings
from the vehicle's Safety Certi fication
and Tire and Load Information labels.
Base Curb Weight is the weight of the
vehicle including a full tank of fuel
and all standard equipment. It does
not include passengers, cargo, or
optional equipment.

Vehicle Curb Weight is the weight of
your new vehicle when you picked it
up from your dealer plus any
aftermarket equipment.

PAY LOA D
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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