2019 MAZDA MODEL 3 HATCHBACK Owners Manual (in English)

A rear passenger steps on the front
passenger seat rails with their feet.
 Luggage or other items are placed on the
seatback or hung on the head restraint.
 Heavy items are placed in the seatback
map pocket.
 The seat is washed.
 Liquids are spilled on the seat.
 The front passenger seat is moved
backward, pushing into luggage or other
items placed behind it.
 The front passenger seatback contacts
the rear seat.
 Luggage or other items are placed
between the front passenger seat and
driver seat.
 Any accessories which might increase the
total seated weight on the front
passenger seat are attached to the front
passenger seat.
CAUTION
To assure proper deployment of the front
air bag and to prevent damage to the
sensors in the front seat bottoms:
 Do not place sharp objects on the front
seat bottoms 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 properly,
always perform the following:
 Adjust the front seats as far back as
possible 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 front passenger seat as far
back as possible (page 2-47).
NOTE
The system requires about 10 seconds to
alternate between turning the front
passenger front and side air bags and
knee air bags, and seat belt pretensioner
system on or off.
The front passenger air bag deactivation
indicator light may illuminate
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
indicator light may illuminate for 10
seconds if the total seated weight on the
front passenger seat changes.
The air bag/front seat belt pretensioner
system warning light might illuminate if
the front passenger seat receives a
severe impact.
If the front passenger air bag
deactivation indicator light does not
illuminate 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
illuminate, install the child-restraint
system on the rear seat and consult an
Authorized Mazda Dealer as soon as
possible.
Essential Safety Equipment
SRS Air Bags
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If the front passenger air bag
deactivation indicator light illuminates
when an adult is seated in the front
passenger seat, have the passenger
re-adjust their posture by sitting with
their feet on the floor, and then
re-fastening the seat belt. If the front
passenger air bag deactivation indicator
light still illuminates, move the
passenger to the rear seat. If sitting in
the rear seat is not possible, slide the
front passenger seat as far back as
possible. Consult an Authorized Mazda
Dealer as soon as possible.
▼Driver and Front Passenger Buckle
Switches
The buckle switches on the front seat belts
detect whether or not the front seat belts
are securely fastened and further control
the deployment of the air bags.
Constant Monitoring
▼ Constant Monitoring
The following componen
ts 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 indi cation/warning light
Related wiring
(With Driver and Front Passenger
Occupant Classifi cation System)
Driver seat slide position sensor
Front passenger occupant classification
sensor
Front passenger occupant classification
module
Front passenger air bag deactivation
indicator light
Front passenger seat belt buckle switch

The diagnostic module continuously
monitors the system's readiness. This
begins when the igni tion is switched ON
and continues while the vehicle is being
driven.
Essential Safety Equipment
SRS Air Bags
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3Before Driving
Use of various features, including keys, doors, mirrors and windows.
Keys.................................................... 3-2 Keys.............................................. 3-2
Keyless Entry System................... 3-4
Advanced Keyless Entry
System.................................................3-9 Advanced Keyless Entry System
*.....
...................................................... 3-9
Operational Range...................... 3-10
Doors and Locks.............................. 3-11 Door Locks................................. 3-11
Liftgate/Trunk Lid...................... 3-18
Inside Trunk Release Lever (4-
door)
*.......................................... 3-23
Fuel and Emission........................... 3-24 Fuel and Engine Exhaust
Precautions................................. 3-24
Fuel-Filler Lid and Cap.............. 3-26
Mirrors............................................. 3-29 Mirrors........................................ 3-29
Windows........................................... 3-33 Power Windows..........................3-33
Moonroof
*.................................. 3-36
Security System............................... 3-39Modification and Add-On
Equipment...................................3-39
Immobilizer System....................3-39
Theft-Deterrent System
*.............3-41
Driving Tips..................................... 3-43 Break-In Period.......................... 3-43
Saving Fuel and Protection of the
Environment............................... 3-43
Hazardous Driving.... ..................3-44
Floor Mat.................................... 3-45
Rocking the Vehicle....................3-45
Winter Driving............................3-46
Driving In Flooded A rea............ 3-48
Overloading................................ 3-48
Driving on Uneven Road............ 3-49
Towing.............................................. 3-50 Trailer Towing............................ 3-50
Recreational Towing................... 3-50
*Some models.3-1
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Keys
▼Keys
WA R N I N G
Do not leave the key in your vehicle with
children and keep them in a place where
your children will not
find or play with
them:
Leaving children in a vehicle with the key is
dangerous. This could result in someone
being badly injured or even killed. Children
may find these keys to be an interesting toy
to play with and could cause the power
windows or other controls to operate, or
even make the vehicle move.
CAUTION
 Because the key (transmitter) uses
low-intensity radio waves, it may not
function correctly under the following
conditions:
 The key (transmitter) is carried with
communication devices such as
cellular phones.
 The key (transmitter) contacts or is
covered by a metal object.
 The key (transmitter) is near electronic
devices such as personal computers.
 Non-Mazda genuine electronic
equipment is installed in the vehicle.
 There is equipment which discharges
radio waves near the vehicle.
The key (transmitter) may consume
battery power excessively if it receives
high-intensity radio waves. Do not place
the key (transmitter) near electronic
devices such as tele visions or personal
computers.
 To avoid damage to the key
(transmitter), DO NOT:
 Drop the key (transmitter).
 Get the key (transmitter) wet.
 Disassemble the key (transmitter).
 Expose the key (transmitter) to high
temperatures on places such as the
dashboard or hood, under direct
sunlight.
 Expose the key (transmitter) to any
kind of magnetic field.
 Place heavy objects on the key
(transmitter).
 Put the key (transmitter) in an
ultrasonic cleaner.
 Put any magnetized objects close to
the key (transmitter).

NOTE
The driver must carry the key (transmitter)
to ensure the system functions properly.
Transmitter
Before Driving
Keys
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1. Transmitter (page 3-5)

Auxiliary key
There is a removable auxiliary key inside
the transmitter.

Removing the auxiliary key
1. Remove the lower cover whilepressing the knob in the direction of
the arrow.
2. Remove the auxiliary key.
Installing the auxiliary key
1. Install the auxiliary key as theillustration.
2. Insert the tabs of t he lower cover into
the slots of the transmitter and install
the lower cover.

Key code number plate
A code number is stamped on the plate
attached to the key set; detach this plate
and store it in a safe place (not in the
vehicle) for use if you need to make a
replacement key (auxiliary key).
Also write down the code number and
keep it in a separate safe and convenient
place, but not in the vehicle.
If your key (auxiliary key) is lost, consult
your Authorized Mazda Dealer and have
your code number ready.
1. Key code number plate
Before Driving
Keys
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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 7-32.
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
6-27).
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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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
1. Operation indicator light
2. Lock button (
)
3. Unlock button (
)
4. Trunk button (4–door) (
)
5. Panic button (
)
NOTE
The headlights turn on/off by operating
the transmitter. Refer to Leaving Home
Light on page 4-47.
(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
3-41.
(With the advanced keyless function)
A beep sound can be heard for
confirmation when the doors, fuel-filler
lid and liftgate 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 the Settings section in the
Mazda Connect Owner's Manual.
The operation indicator light flashes when
the buttons are pressed.
Lock button
To lock the doors, fuel-filler lid and
liftgate, 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 the doors, fuel-filler lid
and liftgate have been locked, press the
lock button again within 5 seconds. If they
are closed and locked, the horn will sound.
NOTE
If the lock button is pressed with any
door or liftgate/trunk lid open, any
closed door can be locked. Close any
open door and liftgate/trunk lid to lock.
Confirm that all the doors, fuel-filler lid
and liftgate are locked visually or
audibly by use of the double click.
Make sure all the doors, fuel-filler lid
and liftgate are locked after pressing the
button.
Before Driving
Keys
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(With theft-deterrent system)
If the lock button is pressed with all the
doors and liftgate closed, the hazard
warning lights will flash and the
theft-deterrent system is armed.
Unlock button
To unlock the driver's door and fuel-filler
lid, 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 the other doors and liftgate,
press the unlock button again within 5
seconds and two more beep sounds will be
heard.
NOTE
The system can be set to unlock all the
doors, fuel-filler lid and liftgate when
pressing the unlock button once.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
(Auto re-lock function)
After unlocking with the key, all the
doors, fuel-filler lid and liftgate 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 fo r the doors to lock
automatically can be changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
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.
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.
Before Driving
Keys
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