2021 MAZDA MODEL 3 HATCHBACK brake

▼Engine Start Function When Key
Battery is Dead
CAUTION
When starting the engine by holding
the transmitter over the push button
start due to a dead key battery or a
malfunctioning key, be careful not to
allow the following, otherwise the
signal from the key will not be received
correctly and the engine may not start.

Metal parts of other keys or metal
objects touch the key.
Spare keys or keys for other vehicles
equipped with an immobilizer
system touch or come near the key.
Devices for electronic purchases, or
security passage touch or come near
the key.
If the engine cannot be started due to
a dead key battery, the engine can be
started using the following procedure:
1. Continue to depress the brake
pedal firmly until the engine has
completely started.
2. (Manual transmission)
Continue to depress the clutch
pedal firmly until the engine has
completely started.
(Automatic transmission)
Put the vehicle in park (P). If you
must restart the engine while the
vehicle is moving, shift into neutral
(N).
3. Make sure that the push button start indication light (green) flashes.
4. Align the center area of the emblem on the transmitter with the
center area of the push button start
while the push button start
indicator light (green) flashes.

1. Indicator light
2. Push button start
3. Transmitter
4. Emblem

5. Make sure that the push button start indicator light (green) turns
on.
6. Press the push button start to start the engine.
When Driving
Start/Stop Engine
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NOTE
The engine cannot be started
unless the clutch pedal is fully
depressed (manual transmission)
or the brake pedal is fully
depressed (automatic
transmission).
If there is a malfunction with the
push button start function, the
push button start indicator light
(amber) flashes. In this case, the
engine may start, however, have
the vehicle checked at an
Authorized Mazda Dealer as
soon as possible.
If the push button start indicator
light (green) does not illuminate,
perform the operation from the
beginning again. If it does not
illuminate, have the vehicle
checked at an Authorized Mazda
Dealer.
To switch the ignition position
without starting the engine,
perform the following operations
after the push button start
indicator light (green) turns on.
1. Release the clutch pedal (manual transmission) or
brake pedal (automatic
transmission).
2. Press the push button start to switch the ignition position.
The ignition switches in the
order of ACC, ON, and off
each time the push button
start is pressed. To switch the
ignition position again,
perform the operation from
the beginning.
▼ Emergency Operation for Starting
the Engine
If the KEY warning indication (red) is
displayed, or the push button start
indicator light (amber)
flashes, this
could indicate that the engine may not
start using the usual starting method.
Have your vehicle inspected at an
Authorized Mazda Dealer as soon as
possible. If this occurs, the engine can
be force-started. Press and hold the
push button start until the engine
starts. Other procedures necessary for
starting the engine such as having the
key in the cabin, and depressing the
clutch pedal (manual transmission) or
the brake pedal (automatic
transmission) are required.
When Driving
Start/Stop Engine
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Turning the Engine Off
▼Turning the Engine
Off
WARNING
Do not stop the engine while the
vehicle is moving:
Stopping the engine while the vehicle
is moving for any reason other than in
an emergency is dangerous. Stopping
the engine while the vehicle is moving
will result in reduced braking ability
due to the loss of power braking ,
which could cause an accident and
serious injury.
1. Stop the vehicle completely.
2. (Manual transmission)
Shift into neutral and set the
parking brake.
(Automatic transmission)
Shift the selector lever to the P
position and set the parking brake.
3. Press the push button start to turn
off the engine. The ignition position
is o ff.
CAUTION
 When leaving the vehicle, make sure
the push button start is o ff.
NOTE
(SKYACTIV -G 2.0, SKYACTIV -G 2.5)
The cooling fan in the engine
compartment could turn on for a few
minutes after the ignition is switched
from ON to OFF, whether or not the
A/C is on or o ff, to cool the engine
compartment quickly.
If the system detects that the
remaining battery power of the key is
low when the ignition is switched
from ON to ACC or OFF, the
following is indicated.
Replace with a new battery before
the key becomes unusable.
Refer to Key Battery Replacement on
page 6-31.
A message is indicated in the display
of the instrument cluster.
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-33.
(Automatic transmission)
If the engine is turned off while the
selector lever is in a position other
than P, the ignition switches to ACC.
▼ Emergency Engine Stop
Continuously pressing the push button
start or quickly pressing it any number
of times while the engine is running or
the vehicle is being driven will turn the
engine
off immediately. The ignition
switches to ACC.
When Driving
Start/Stop Engine
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NOTE
Indicates the 0 position when the
vehicle speed is about 5 km/h (3
mph) or slower.
The red arrow on the scale indicates
the average fuel economy.
▼i-ACTIVSENSE Display*
Displays the system status.

Refer to Lane Departure Warning
System (LDWS) on page 4-95.
Refer to Blind Spot Monitoring
(BSM) on page 4-99.
Refer to Tra
ffic Sign Recognition
System (TSR) on page 4-104.
Refer to Distance & Speed Alert
(DSA) on page 4-109.
Refer to Driver Attention Alert (DAA)
on page 4-111.
Refer to Driver Monitoring (DM) on
page 4-112.
Refer to Front Cross Tra ffic Alert
(FCTA) on page 4-113.
Refer to Mazda Rada r Cruise Control
(MRCC) on page 4-122.
Refer to Mazda Rada r Cruise Control
with Stop & Go function (MRCC
with Stop & Go function) on page
4-131.
Refer to Tra ffic Jam Assist (TJA) on
page 4-143.
Refer to Lane-keep Assist System
(LAS) on page 4-157.
Refer to Smart Brake Support (SBS)
on page 4-159.
Refer to Smart Brake Support [Rear] (SBS -R) on page 4-163.
Refer to Smart Brake Support [Rear
Crossing] (SBS -RC) on page 4-167.
Refer to Cruise Control on page
4-216.
▼Compass Display
The direction the vehicle is moving is
displayed in one of eight directions
while the vehicle is being driven.

Display
Direction
NN orth
SS outh
EE ast
WW est
NE Northeast
NW Northwest
SE Southeast
SW Southwest
When Driving
Instrument Cluster and Display
*Some models.4-21
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▼Warning Indication/Warning Lights
These lights turn on or
flash to notify the user of the system operation status or a
system malfunction.
Signal Warning Refer to
Brake System Warning Indication/Warning Light*17-27
ABS Warning Indication/Warning Light*1
Electronic
Brake Force
Distribution
System Warn- ing
7-28
ABS warning 7-30
Charging System Warning Indication/Warning Light*17-28
Engine Oil Warning Indication/Warning Light*17-28
High Engine Coolant Temperature Warning Indication 7-29
Power Steering Malfunction Indication/Indicator Light*17-29
Master Warning Indication7-30
Brake Control System Warning Indication/Warning Light*17-30
Brake Override Warning Indication7-31
Check Engine Indication/Light*17-31
*Automatic Transmission Warning Indication/Warning Light*17-31
*AWD Warning Indication/Warning Light*17-31
When Driving
Instrument Cluster and Display
*Some models.4-23
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SignalIndicator Refer to
Headlight High-Beam Indicator Light Headlight
High-Low Beam
4-49
Flashing the Headlights 4-49
Turn Signal/Hazard Warning Indicator Lights Tu r n a n d
Lane-Change
Signals4-52
Hazard Warn- ing Flasher 4-60
Electric Parking Brake (EPB) Indication/Indicator Light*1*27-30
AUTOHOLD Active Indicator Light*14-73
*Mazda Radar Cruise Control with Stop & Go function (MRCC with
Stop & Go function) indicator Light 4-138
*Tra
ffic Jam Assist (TJA) indicator Light 4-153
TCS/DSC Indication/Indicator Light*1
Tra c t i o n C o n -
trol System (TCS)4-78
Dynamic Sta- bility Control
(DSC)4-79
Tu r n s o n 7-32
DSC OFF Indicator Light*14-80
*Select Mode Indicator Light 4-82
When Driving
Instrument Cluster and Display
4-26*Some models.
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SignalIndicator Refer to
(White)
i-ACTIVSENSE Status Symbol (Warning/Risk Avoidance Support Sys-
tem) 4-87
(Green)
(Amber)
i-ACTIVSENSE OFF Symbol (Warning/Risk Avoidance Support Sys-
tem)
4-87
(Green)
*High Beam Control System (HBC) Indicator Light
4-91
(White)
*Mazda Radar Cruise Control (MRCC) Standby Indication
4-124
*Mazda Radar Cruise Control with Stop & Go function (MRCC with
Stop & Go function) Standby Indication 4-133
*Tra
ffic Jam Assist (TJA) Standby Indication 4-146
(Green)
*Mazda Radar Cruise Control (MRCC) Set Indication 4-124
*Mazda Radar Cruise Control with Stop & Go function (MRCC with
Stop & Go function) Set Indication 4-133
*Tra
ffic Jam Assist (TJA) Set Indication 4-146
*Smart Brake Support (SBS) OFF Indicator Light*1
Smart Brake
Support (SBS)
4-160
Smart Brake
Support [Rear] (SBS- R)
4-163
Smart Brake
Support [Rear Crossing]
(SBS -RC)
4-168
(White)
*Cruise Standby Indication 4-215
When Driving
Instrument Cluster and Display
*Some models.4-27
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SignalIndicator Refer to
(Green)
*Cruise Set Indication 4-215
*1 The light turns on when the ignition is switched on for an operation check, and
turns off a few seconds later or when the engine is started. If the light does not
turn on or remains turned on, have the vehicle inspected at an Authorized
Mazda Dealer.
*2 The light turns on continuously when the parking brake is applied.
When Driving
Instrument Cluster and Display
4-28*Some models.
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