warning MAZDA MODEL 3 HATCHBACK 2018 (in English) User Guide

The front passenger front and side air bags and seat belt pretensioner systems will deactivate
if the front passenger air bag deactivation indicator light turns on.
CAUTION
To assure proper deployment of the front air bag and to prevent damage to the sensor in
the front seat cushion:
 Do not place sharp objects on the front seat cushion or leave heavy luggage on them.
 Do not spill any liquids on the front seats or under the front seats.
 To allow the sensors to function pr operly, always perform the following:
 Adjust the front seats as far back as possibl e and always sit upright against the seatbacks
with seat belts worn properly.
 If you place your child on the front passenger seat, secure the child-restraint system
properly and slide the fron t passenger seat as far back as possible (page 2-33).
NOTE
The system requires about 10 seconds to alte rnate between turning the front passenger
front and side air bags and seat belt pretensioner system on or off.
The front passenger air bag deactivation indicato r light may turn on repeatedly if luggage
or other items are put on the front passenger seat, or if the temperature of the vehicle's
interior changes suddenly.
The front passenger air bag deactivation indicato r light may turn on for 10 seconds if the
electrostatic capacity on the front passenger seat changes.
The air bag/front seat belt pretensioner system warning light might turn on if the front
passenger seat receives a severe impact.
If the front passenger air bag deactivation indicator light does not turn on after installing
a child-restraint system on the front passenger seat, first, re-install your child-restraint
system according to the procedure in this owner's manual. Then, if the front passenger air
bag deactivation indicator light still does not tu rn on, install the child-restraint system on
the rear seat and consult an Authorized Mazda Dealer as soon as possible.
If the front passenger air bag deactivation i ndicator light turns on when an occupant is
seated directly in the front passenger seat, have the passenger re-adjust their posture by
sitting with their feet on the floor, and th en re-fastening the seat belt. If the front
passenger air bag deactivation i ndicator light remains turned on, move the passenger to
the rear seat. If sitting in the rear seat is no t possible, slide the front passenger seat as far
back as possible. Consult an Authorized Mazda Dealer as soon as possible.
Essential Safety Equipment
SRS Air Bags
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Constant Monitoring
The following components of the air bag systems are monitored by a diagnostic system:

Front air bag sensors
Crash sensors, and diagnostic module (SAS unit)
Side crash sensors
Air bag modules
Front seat belt pretensioners
Air bag/Front seat belt pretensioner system warning light
Related wiring
(With Front Passenger Occupa nt Classification System)
Front passenger occupant classification sensor
Front passenger occupant classification module
Front passenger air bag deactivation indicator light

The diagnostic module continuously monitors the system's readin ess. This begins when the
ignition is switched ON and contin ues while the vehicle is being driven.
Essential Safety Equipment
SRS Air Bags
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To use the auxiliary key, pull out the
auxiliary key from th e transmitter while
pressing the knob.
Knob
Keyless Entry System
This system uses the key buttons to
remotely lock and unlock the doors and
the liftgate/trunk 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 signal 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 following warning lights
or beeps.
KEY Warning Light (Red)
Refer to Warning/Indicator Lights on
page 4-23.
Ignition Not Switched Off (STOP)
Warning Beep
Refer to Ignition Not Switched Off
(STOP) Warning Beep on page 7-39.
Key Removed from Vehicle Warning
Beep
Refer to Key Removed from Vehicle
Warning Beep on page 7-39.
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 k ey inoperative.
Before Driving
Keys
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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 (door/liftgate/trunk lid lock/
unlock) 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
6-35).
Battery life is about one year. Replace
the battery with a new one if the KEY
indicator light (green) flashes in the
instrument cluster. Replacing the battery
about once a year is recommended
because the KEY warning light/
indicator light may not illuminate or
flash depending on the rate of battery
depletion.
Additional keys can be obtained at an
Authorized Mazda Dealer. Up to 6 keys
can be used with the keyless functions
per vehicle. Bring all keys to an
Authorized Mazda Dealer when
additional keys are required.
▼Tr a n s m i t t e r
Operation b
uttons
Operation indicator light
NOTE
(With theft-deterrent system)
The hazard warning lights flash when
the theft-deterrent system is armed or
turned off.
Refer to Theft-Deterrent System on page
3-43.
(With the advanced keyless function)
A beep sound can be heard for
confirmation when the doors and the
liftgate/trunk lid are locked/unlocked
using the key. If you prefer, the beep
sound can be turned off.
The volume of the beep sound can also
be changed.
Refer to Personalization Features on
page 9-12.
Use the following procedure to change the
setting.
1. Switch the ignition off and close all of the doors and the liftgate/trunk lid.
2. Open the driver's door.
Before Driving
Keys
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3. Within 30 seconds of opening thedriver's door, press and hold the LOCK
button on the key for 5 seconds or
longer (All of the doors and the liftgate
are locked and unlocked when the
LOCK button on the key is pressed and
held for 5 seconds.).
The beep sound activates at the
currently set volume. The setting
changes each time the LOCK button on
the key is pressed and the beep sound
activates at the set volume. (If the beep
sound has been set to not activate, it
will not activate.)
4. The setting change is completed by doing any one of the following:
Switching the ign ition to ACC or
ON.
Closing the driver's door.
Opening the liftgate/trunk lid.
Not operating the key for ten
seconds.
Pressing any button except the
LOCK button on the key.
Pressing a request switch.
The operation indicator light flashes when
the buttons are pressed.
Lock button
To lock the doors and the liftgate/trunk lid,
press the lock button and the hazard
warning lights will flash once.
(With the advanced k eyless function)
A beep sound will be heard once.

To confirm that all doors and the liftgate/
trunk lid have been locked, press the lock
button again within 5 seconds. If they are
closed and locked, the horn will sound.
NOTE
The doors and the liftgate/trunk lid can
be locked by pressing the lock button
while any other door or the liftgate/
trunk lid is open. The hazard warning
lights will not flash.
When the lock button is pressed while
any door is open and then the door is
closed, all the doors and the liftgate/
trunk lid are locked.
Confirm that all doors and the liftgate/
trunk lid are locked visually or audibly
by use of the double click.
Make sure all doors and the liftgate/
trunk lid are locked after pressing the
button.
(With theft-deterrent system)
When the doors are locked by pressing
the lock button on the key while the
theft-deterrent system is armed, the
hazard warning lights will flash once to
indicate that the system is armed.
Before Driving
Keys
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Unlock button
To unlock the driver's door, press the
unlock button and the hazard warning
lights will flash twice.
(With the advanced keyless function)
A beep sound will be heard twice.

To unlock all doors and the liftgate/trunk
lid, press the unlock button again within
three seconds and two more beep sounds
will be heard.
NOTE
The system can be set to unlock all
doors by performing a single operation.
Refer to Personalization Features on
page 9-12.
Use the following procedure to change
the setting.
1. Switch the ignition off and close allof the doors and the liftgate/trunk
lid.
2. Open the driver's door.
3. Within 30 seconds of opening the
driver's door, press and hold the
UNLOCK button on the key for 5
seconds or longer (the sound of the
doors locking/unlocking can be
heard).
After this, the system switches the
setting each time the UNLOCK
button is pressed (the sound of the
doors locking/unlocking can be
heard).
4. The setting change is completed bydoing any one of the following:
Switching the igni tion to ACC or
ON.
Closing the driver's door.
Opening the liftgate/trunk lid.
Not operating the key for ten
seconds.
Pressing any button except the
UNLOCK button on the key.
Pressing a request switch.
(Auto re-lock function)
After unlocking with the key, all doors
and the liftgate/trunk lid will
automatically lock if any of the
following operations are not performed
within about 60 seconds. If your vehicle
has a theft-deterrent system, the hazard
warning lights will flash for
confirmation.
The time required for the doors to lock
automatically can be changed.
Refer to Personalization Features on
page 9-12.
A door or the liftgate/trunk lid is
opened.
The ignition is switched to any
position other than off.
(With theft-deterrent system)
When the doors are unlocked by
pressing the unlock button on the key
while the theft-deterrent system is turned
off, the hazard warning lights will flash
twice to indicate that the system is
turned off.
Before Driving
Keys
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Trunk button (4–door)
To open the trunk lid, press and hold the
trunk button until the trunk lid opens.
Panic button
If you witness from a distance someone
attempting to break into or damage your
vehicle, press and hold the panic button to
activate the vehicle's alarm. Call
emergency services if necessary.
NOTE
The panic button will work whether any
door or the liftgate/trunk lid is open or
closed.
(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.
▼ 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.
With the advanced keyless function

Interior antenna
Operational range
Before Driving
Keys
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Advanced Keyless EntrySystem
*
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 will affect the device.
The advanced keyless function allows you
to lock/unlock the door and the liftgate, or
open the liftgate/trunk lid while carrying
the key.

System malfunctions or warnings are
indicated by the foll owing warning beeps.
Request switch Inoperable Warning
Beep
Refer to Request Switch Inoperable
Warning Beep (With the advanced
keyless function) on page 7-39.
Key Left-in-luggage Compartment/
Trunk Warning Beep
Refer to Key Left-in-luggage
Compartment/Trunk Warning Beep
(With the advanced keyless function) on
page 7-40.
Key Left-in-vehicle Warning Beep
Refer to Key Left-in-vehicle Warning
Beep (With the advanced keyless
function) on page 7-40.
NOTE
The advanced keyless entry system
functions 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 advanced
keyless entry system has 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.
Before Driving
Advanced Keyless Entry System
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▼Locking, Unlocking with Auxiliary
Key
Turn the auxiliary key
toward the front to
lock, toward the back to unlock.
To l o c k
All doors and the liftgate/trunk lid lock
automatically when th e driver's door is
locked using the auxiliary key.
To u n l o c k
The driver’s door unlocks when the
auxiliary key is turned briefly to the
unlock position and then immediately
returned to the center position.
All doors and the liftgate/trunk lid unlock
when the driver's door is unlocked and the
auxiliary key is held i n the unlock position
for one second or longer.
Lock Unlock
▼
Locking, Unlocking with Request
Switch (With the advanced keyless
function)
All doors and the liftgate/trunk lid can be
locked/unlocked by pressing the request
switch on the front d
oors while the key is
being carried.
(5–door)
The request switch on the liftgate can only
be used to lock all doors and the liftgate.
Front doors
Request switch
Liftgate (5-door Lock only)
Request switch
To l o c k
To lock the doors and the liftgate/trunk lid,
press the request switch and the hazard
warning lights will flash once.
A beep sound will be heard once.
To unlock
Driver's door request switch
To unlock the driver's door, press the
request switch. A beep sound will be heard
twice and the hazard warning lights will
flash twice.
To unlock all doors and the liftgate/trunk
lid, press the reques t switch again within
three seconds and two more beep sounds
will be heard.
Before Driving
Doors and Locks
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Front passenger door request switch
To unlock all doors and the liftgate/trunk
lid, press the request switch. A beep sound
will be heard twic e and the hazard
warning lights will flash twice.
NOTE
The system can be set to unlock all
doors by performing a single operation.
Refer to Personalization Features on
page 9-12.
Use the following procedure to change
the setting.
1. Switch the ignition off and close all
of the doors and the liftgate/trunk
lid.
2. Open the driver's door.
3. Within 30 seconds of opening the driver's door, press and hold the
UNLOCK button on the key for 5
seconds or longer (the sound of the
doors locking/unlocking can be
heard).
After this, the system switches the
setting of pressing the driver's
request switch once or twice to
unlock all doors and the liftgate/
trunk lid each time the UNLOCK
button is pressed (the sound of the
doors locking/unlocking can be
heard).
4. The setting change is completed by
doing any one of the following:
Switching the igni tion to ACC or
ON.
Closing the driver's door.
Opening the liftgate/trunk lid.
Not operating the key for ten
seconds.
Pressing any button except the
UNLOCK button on the key.
Pressing a request switch.
Confirm that all doors and the liftgate/
trunk lid are securely locked.
For the liftgate/trunk lid, move it
without pressing the electric liftgate/
trunk lid opener to verify that the
liftgate/trunk lid has not been left ajar.
All doors and the liftgate/trunk lid
cannot be locked when any door or the
liftgate is open.
It may require a few seconds for the
doors to unlock after the request switch
is pressed.
A beep sound is heard for confirmation
when the doors and the liftgate/trunk lid
are locked/unlocked using the request
switch. If you prefer, the beep sound can
be turned off.
The volume of the beep sound can also
be changed. Refer to Personalization
Features on page 9-12.
Use the following procedure to change
the setting.
1. Switch the ignition off and close all
of the doors and the liftgate/trunk
lid.
2. Open the driver's door.
Before Driving
Doors and Locks
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