2020 MAZDA MODEL 3 HATCHBACK stop start

ON
This is the normal running position after
the engine is started. The indicator light
(amber) turns off. (The indicator light
(amber) illuminates when the ignition is
switched ON and the engine is not
running.)
Some indicator lights/warning lights
should be inspected before the engine is
started.
Refer to Warning/Indicator Lights on page
4-23.
Refer to Indication/Indicator Lights on
page 4-25.
NOTE
When the push button start is pressed to
ON, the sound of the fuel pump motor
operating near the fuel tank can be heard.
This does not indi cate an abnormality.
Starting the Engine
▼Starting the Engine
WA R N I N G
Radio waves from the key may affect
medical devices such as pacemakers:
Before using the key near people who use
medical devices, ask the medical device
manufacturer or your physician if radio
waves from the key w
ill affect the device.
NOTE
The key must be carried because the key
carries an immobilizer chip that must
communicate with the engine controls at
short range.
The engine can be started when the push
button start is pressed from off, ACC, or
ON.
The push button start system functions
(function which can start the engine by
only carrying the key) can be
deactivated to prevent any possible
adverse effect on a user wearing a
pacemaker or other medical device. If
the system is deactivated, you will be
unable to start the engine by carrying
the key. Consult an Authorized Mazda
Dealer for details. If the push button
start system functions have been
deactivated, you can start the engine by
following the procedure indicated when
the key battery goes dead.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
When Driving
Start/Stop Engine
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After starting a cold engine, the engine
speed increases and a whining sound
from the engine compartment can be
heard.
This is for improved exhaust gas
purification and does not indicate any
parts defect.
Engine-starting is controlled by the
spark ignition system.
This system meets all Canadian
Interference-Causing Equipment
Standard requirements regulating the
impulse electrical field strength of radio
noise.
1. Make sure you are carrying the key.
2. Occupants should fasten their seat belts.
3. Make sure the parking brake is on.
4. Continue to depress the brake pedal firmly until the engine has completely
started.
5. (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).
NOTE
(Manual transmission)
The starter will not operate if the
clutch pedal is not depressed
sufficiently.
(Automatic transmission)
The starter will not operate if the
selector lever is not in P or N
position and the brake pedal is not
depressed sufficiently.
6. Make sure that the push button start
indicator light (green) turns on.
1. Indicator light
2. Push button start
NOTE
If the push button start indicator
light (green) flashes, make sure that
the key is being carried.
If the push button start indicator
light (green) flashes with the key
being carried, touch the key to the
push button start and start the
engine.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
CAUTION
If the KEY warning indication (red) is
displayed, or the push button start
indicator light (amber) flashes, this
could indicate a problem with the
engine starting system. This may
prevent the engine from starting or
from switching the ignition to ACC or
ON.
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-33.
When Driving
Start/Stop Engine
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Have your vehicle inspected at an
Authorized Mazda Dealer as soon as
possible.
NOTE
Under the following conditions, the
KEY warning indication (red) is
displayed after the push button start
is pressed. This informs the driver
that the push button start will not
switch to ACC, even if it is pressed
from off (page 7-33).
The key battery is dead.
The key is out of operational
range.
The key is placed in areas where it
is difficult for the system to detect
the signal (page 3-7).
A key from another manufacturer
similar to the key is in the
operational range.
(Forced engine starting method)
If the KEY warning indication (red)
is displayed, or the push button start
indicator ligh t (amber) flashes, this
could indicate that the engine may
not start using the usual starting
method (page 7-33). 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 the engine is force-started, the
KEY warning indication (red)
remains displayed and the push
button start indicator light (amber)
remains flashing.
(Automatic transmission)
When the selector lever is in the
neutral (N) position, the push button
start indicator light (green) does not
turn on.
7. Press the push button start after the
push button start indi cator light (green)
turns on.
NOTE
After starting the engine, the push
button start indicator light (amber)
turns off and the ignition switches to
the ON position.
After pressing the push button start
and before the engine starts, the
operation sound of the fuel pump
motor from near the fuel tank can be
heard, however, this does not
indicate a malfunction.
8. After starting the engine, let it idle for about 10 seconds.
NOTE
Whether the engine is cold or warm,
it should be started without the use
of the accelerator.
If the engine does not start the first
time, refer to Starting a Flooded
Engine under Emergency Starting. If
the engine still does not start, have
your vehicle inspected by an
Authorized Mazda Dealer (page
7-20).
When Driving
Start/Stop Engine
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▼Engine Start Fun
ction 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 t he center area of
the push button st art 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 butt on start to start the
engine.
NOTE
The engine cannot be started unless
the clutch pedal is fully depressed
(manual transmission) or the brake
pedal is fully depressed (automatic
transmission).
When Driving
Start/Stop Engine
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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 igni tion 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 poss
ible. 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 transmi ssion) 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
WA R N I N G
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 an d 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 off.
CAUTION
When leaving the vehicle, make sure the
push button start is off.
NOTE
The cooling fan in the engine
compartment could turn on for a few
minutes after the i gnition is switched
from ON to OFF, whether or not the A/C
is on or off, 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 6-28.
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 pressi
ng it any number of
times while the engin e is running or the
vehicle is being drive n will turn the engine
off immediately. The ignition switches to
ACC.
When Driving
Start/Stop Engine
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Cylinder Deactivation*
▼Cylinder Deactivation
The cylinder deactivation is a function
designed to reduce fuel consumption and
improve fuel economy by deactivating 2
out of the 4 cylinders while driving. The
function constantly determines which is
better for driving; 4 cylinders or 2
cylinders, regardless of the driver's
operations, and it performs the switching
automatically.
When the cylinder de
activation function
does not operate
The cylinder deactivation function does
not operate under the following
conditions.
The selector lever is in the P, N, or R
position (automatic transmission), or 1st
gear (manual transmission).
The engine oil temperature or engine
coolant temperature is low.
After disconnecting the battery
terminals for some reason, such as for
battery replacement.
When Driving
Start/Stop Engine
*Some models.4-11
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SignalIndicator Refer to
(Green)
*High Beam Control System (HBC) Indicator Light 4-89
(White)
*Mazda Radar Cruise Control (MRCC) Standby Indication
4-122
*Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) Standby Indication 4-131
*Traffic Jam Assist (TJA) Standby Indication
4-143
(Green)
*Mazda Radar Cruise Control (MRCC) Set Indication4-122
*Mazda Radar Cruise Control with
Stop & Go function (MRCC with Stop
& Go function) Set Indication 4-131
*Traffic Jam Assist (TJA) Set Indication
4-143
*Smart Brake Support (SBS) OFF Indicator Light*1
Smart Brake
Support (SBS) 4-157
Smart Brake
Support [Rear] (SBS-R)
4-160
Smart Brake
Support [Rear Crossing]
(SBS-RC) 4-165
(White)
*Cruise Standby Indication 4-212
(Green)
*Cruise Set Indication4-212
*1 The light turns on when the ignition is switched on for an ope
ration 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 De aler.
*2 The light turns on continuously when the parking brake is appl ied.
When Driving
Instrument Cluster and Display
*Some models.4-27
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