2020 MAZDA MODEL 3 HATCHBACK start stop button

Keyless Entry System
▼Keyless Entry System
This system uses the key buttons to
remotely lock and unlock the doors,
liftgate, and fuel-fill
er lid, and opens the
trunk lid.
The system can start the engine without
having to take the key out of your purse or
pocket.
It can also help you s ignal for attention or
help.
Operating the theft-deterrent system is
also possible on theft-deterrent
system-equipped vehicles.

System malfunctions or warnings are
indicated by the fo llowing warning lights
or beeps.
Check the displaye d message for more
information and, if necessary, have the
vehicle inspected at an Authorized Mazda
Dealer, according to the indication.
KEY Warning Indicat ion/Warning Light
(Red)
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-33.
Ignition Not Switched Off (STOP)
Warning Beep
Refer to Ignition Not Switched Off
(STOP) Warning Beep on page 7-42.
Key Removed from Vehicle Warning
Beep
Refer to Key Removed from Vehicle
Warning Beep on page 7-42.
If you have a problem with the key,
consult an Authorized Mazda Dealer.

If your key is lost or stolen, consult an
Authorized Mazda Dealer as soon as
possible for a replacement and to make the
lost or stolen key inoperative.
CAUTION
Radio equipment like this is governed by
laws in the United States.
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user's authority
to operate the equipment.
NOTE
The keyless entry system operation may
vary due to local conditions.
The keyless entry system is fully
operational when the ignition is
switched off. The system does not
operate if the ignition is switched to any
position other than off.
If the key does not operate when
pressing a button or the operational
range becomes too small, the battery
may be weak. To install a new battery,
refer to Key Battery Replacement (page
6-28).
Battery life is about 1 year. Replace the
battery with a new one if the messages
are displayed in the instrument cluster.
Replacing the battery about once a year
is recommended because the KEY
warning indication may not display
depending on the rate of battery
depletion.
Before Driving
Keys
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(Turning on the alarm)
Pressing the panic button for 1 second or
more will trigger the alarm for about 2
minutes and 30 seconds, and the following
will occur:
The horn sounds intermittently.
The hazard warning lights flash.
(Turning off the alarm)
The alarm stops by pressing any button on
the key.
Power saving function
By turning on the transmitter power saving
function, the advan ced keyless entry
*1 and
push button start system functions turn off
and the battery power consumption of the
transmitter is restricted.
The remote control function is operational
by operating the transmitter switch even
while the power saving function is turned
on. However, the operation indicator light
of the transmitter does not turn on/flash.
Turning on the power saving function
After you have turned on the power saving
function according to the following
procedure, the hazard warning lights and
sound operate
*1 one time.
1. Press the lock button on the transmitter 4 times within 3 seconds to turn on the
operation indicator light.
2. Press the lock button continuously for 1.5 seconds or longer while the
operation indicator light turns on (for 5
seconds).
3. Press any of the buttons on the
transmitter to make sure that the
operation indicator light does not turn
on/flash.
Turning off the power saving function
After you have turned off the power
saving function according to the following
procedure, the hazard warning lights and
sound operate
*1 one time.
1. Press any of the buttons on the
transmitter to make sure that the
operation indicator light does not turn
on/flash.
2. Press the lock button on the transmitter 4 times within 3 seconds to turn on the
operation indicator light.
3. Press the lock button continuously for 1.5 seconds or longer while the
operation indicator light turns on (for 5
seconds).
*1 With the advanced keyless function
▼Operational Range
The system operates only when the driver
is in the vehicle or
within operational
range while the key is being carried.
Starting the Engine
NOTE
Starting the engine may be possible even
if the key is outside of the vehicle and
extremely close to a door and window,
however, always start the engine from
the driver's seat.
If the vehicle is started and the key is not
in the vehicle, the vehicle will not restart
after it is shut off and the ignition is
switched to off.
The luggage compartment/trunk is out of
the assured operational range, however,
if the key (transmitter) is operable the
engine will start.
Before Driving
Keys
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Ignition Switch
▼Push Button Start Positions
The system operates only when the key is
within operational range.
Each time the push button start is pressed,
the ignition switches
in the order of off,
ACC, and ON. Pressing the push button
start again from ON switches the ignition
off.
1. Indicator light
2. Push button start
NOTE
The engine starts by pressing the push
button start while depressing the clutch
pedal (manual transmission) or the
brake pedal (automatic transmission).
To switch the ignition position, press the
push button start without depressing the
pedal.
Do not leave the ignition switched ON
while the engine is not running. Doing
so could result in the battery going
dead. If the ignition is left in ACC (For
automatic transmission, the selector
lever is in the P position, and the
ignition is in ACC), the ignition switches
off automatically af ter about 25 minutes.
Off
The power supply to electrical devices
turns off and the indicator light (amber)
also turns off.
WA R N I N G
Before leaving the driver's seat, always
switch the ignition off, set the parking
brake, and make sure the selector lever is in
P (automatic transmission) position or in
1st gear or R (manual transmission):
Leaving the driver's seat without switching
the ignition off, setting the parking brake,
and shifting the selector lever to P
(automatic transmission) position or to 1st
gear or R (manual transmission) is
dangerous. Unexpected vehicle movement
could occur which could result in an
accident.
In addition, if your intention is to leave the
vehicle for even a short period, it is
important to switch the ignition off, as
leaving it in another position will disable
some of the vehicle's security systems and
run the battery down.
ACC (Accessory)
Some electrical accessories will operate
and the indicator light (amber) illuminates.
NOTE
The keyless entry system does not function
while the push button start has been
pressed to ACC, and the doors will not
lock/unlock even if they have been locked
manually.
When Driving
Start/Stop Engine
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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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