check engine light MAZDA MODEL 3 HATCHBACK 2019 Owners Manual (in English)

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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CAUTION
Always use only a genuine Mazda
fuel-filler cap or an approved equivalent,
available at an Authorized Mazda
Dealer. The wrong cap can result in a
serious malfunction of the fuel and
emission control systems.
It may also cause the check engine light
in the instrument cluster to illuminate.
 When using an automatic car wash or a
high water pressure car wash, lock the
driver's door. Otherwise, the fuel lid may
open unexpectedly and could be
damaged.
▼ Refueling
Before refueling, close all the doors,
windows, and liftgate/trunk lid, and switch
the ignition OFF.
1. Unlock the driver’s door.
NOTE
When unlocking the driver's door,
the fuel lid is also unlocked at the
same time.
When locking the driver's door, the
fuel lid is locked after 90 seconds.
The time until the fuel lid is locked
after locking the driver's door can be
changed.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
However, when the driver's door is
locked using the following functions,
the fuel lid is also
locked at the same
time.
Auto lock/unlock function (page
3-16)
Auto re-lock function (page 3-5,
3-13)
2. Press the location shown in the
illustration and open the fuel lid.
3. To remove the fuel-filler cap, turn itcounterclockwise.
4. Attach the removed cap to the inner
side of the fuel-filler lid.

4–door
1. Fuel-filler lid
2. Fuel-filler cap

5–door
1. Fuel-filler lid
2. Fuel-filler cap

Before Driving
Fuel and Emission
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5. Insert the refueling nozzle all the wayand begin refueling. Pull out the
refueling nozzle a fter the refueling
stops automatically.
6. To close the fuel-filler cap, turn it
clockwise until a click is heard.
7. To close, press the fuel-filler lid until a click sound is heard.

4–door
5–door
8. Make sure to lock all the doors whenleaving the vehicle.
NOTE
Lock the doors after closing the
fuel-filler lid.
If the fuel-filler lid is closed after
locking the doors, the fuel-filler lid
cannot be locked.
CAUTION
If the check fuel cap warning light
illuminates, the fuel-filler cap may not be
properly installed. If the warning light
illuminates, park your vehicle safely off the
right-of-way, remove the fuel-filler cap and
reinstall it correctly. After the cap has been
correctly installed, the fuel cap warning
light may continue to illuminate until a
number of driving cycles have been
completed. A drive cycle consists of starting
the engine (after four or more hours with
the engine off) and driving the vehicle on
city and highway roads.
Continuing to drive with the check fuel cap
warning light illuminated could cause the
check engine light to illuminate as well.
Before Driving
Fuel and Emission
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NOTE
The keys carry a unique electronic code.
For this reason, and to assure your
safety, obtaining a replacement key
requires some waiting time. They are
only available through an Authorized
Mazda Dealer.
Always keep a spare key in case one is
lost. If a key is lost, consult an
Authorized Mazda Dealer as soon as
possible.
If you lose a key, an Authorized Mazda
Dealer will reset the electronic codes of
your remaining keys and immobilizer
system. Bring all the remaining keys to
an Authorized Mazda Dealer to reset.
Starting the vehicle with a key that has
not been reset is not possible.
▼Operation
NOTE
The engine may not start and security
indicator light may illuminate or flash if
the key is placed in an area where it is
difficult for the system to detect the
signal, such as on the dashboard or in
the glove compartment. Move the key to
a location within
the signal range,
switch the ignition off, and then restart
the engine.
Signals from a TV or radio station, or
from a transceiver or mobile telephone
could interfere with your immobilizer
system. If you are using the proper key
and the engine fails to start, check the
security indicator light.
Arming
The system is armed when the ignition is
switched from ON to off.
The security indicator light in the
instrument cluster fla shes every 2 seconds
until the system is disarmed.

Disarming
The system is disarmed when the ignition
is switched ON with the correct
programmed key. The security indicator
light illuminates for about 3 seconds and
then turns off. If the engine does not start
with the correct key, and the security
indicator light remains illuminated or
flashing, try the following:
Make sure the key is within the
operational range for signal transmission.
Switch the ignition off, and then restart the
engine. If the engine d oes not start after 3
or more tries, contact an Authorized
Mazda Dealer.
NOTE
If the security indicator light flashes
continuously while you are driving, do
not shut off the engine. Go to an
Authorized Mazda Dealer and have it
checked. If the engine is shut off while
the indicator light is flashing, you will
not be able to restart it.
Because the electronic codes are reset
when the immobilizer system is repaired,
the keys are needed. Make sure to bring
all the keys to an Authorized Mazda
Dealer so that they can be programmed.
Before Driving
Security System
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Winter Driving
▼Winter Driving
Carry emergency gear, including tire
chains, window scraper, flares, a small
shovel, jumper cables, and a small bag of
sand or salt.
Ask an Authorized Mazda Dealer to check
the following:
Have the proper ratio of antifreeze in the
radiator.
Refer to Engine Coolant on page 6-17.
Inspect the battery and its cables. Cold
reduces battery capacity.
Use an engine oil appropriate for the
lowest ambient temperatures that the
vehicle will be driven in (page 6-15).
Inspect the ignition system for damage
and loose connections.
Use washer fluid made with
antifreeze―but do not use engine
coolant antifreeze for washer fluid (page
6-19).
NOTE
Remove snow before driving. Snow left
on the windshield is dangerous as it
could obstruct vision.
Do not apply excessive force to a
window scraper when removing ice or
frozen snow on the mirror glass and
windshield.
Never use warm or hot water for
removing snow or ice from windows and
mirrors as it could result in the glass
cracking.
Drive slowly. Braking performance can
be adversely affected if snow or ice
adheres to the brake
components. If this
situation occurs, drive the vehicle
slowly, releasing the accelerator pedal
and lightly applying the brakes several
times until the brake performance
returns to normal.
▼ Snow Tires
Use snow tires on all four wheels
Do not go faster than 120 km/h (75 mph)
while driving with sno
w tires. Inflate snow
tires 30 kPa (0.3 kgf/cm
2, 4.3 psi) more
than recommended on the tire pressure
label (driver's door frame), but never more
than the maximum c old-tire pressure
shown on the tires.

Mexico
The vehicle is originally equipped with
summer tires designed for optimum
traction on wet and dry roads. If your
vehicle is to be used on snow and ice
covered roads, Mazda recommends that
you replace the tires originally equipped
on your vehicle with snow tires during the
winter months.
Except Mexico
The vehicle is originally equipped with all
season radials designed to be used all year
around. In some extreme climates you
may find it necessary t o replace them with
snow tires during the winter months to
further improve traction on snow and ice
covered roads.
Before Driving
Driving Tips
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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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▼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*17-26
ABS Warning Indication/Warning Light*1
Electronic Brake
Force Distribu‐ tion SystemWa r n i n g 7-27
ABS warning 7-29
Charging System Warning Indication/Warning Light*17-27
Engine Oil Warning Indication/Warning Light*17-27
High Engine Coolant Temperat ure Warning Indication 7-28
Power Steering Malfunction Indication/Indicator Light*17-28
Master Warning Indication 7-29
Brake Control System Warning Indication/Warning Light*17-29
Brake Override Warning Indication 7-30
Check Engine Indication/Light*17-30
*Automatic Transmission Warning Indication/Warning Light*17-30
*AWD Warning Indication/Warning Light*17-30
Air Bag/Front Seat Belt Pretensi oner System Warning Indication/ Wa r n i n g
Light*17-31
When Driving
Instrument Cluster and Display
4-22*Some models.
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SignalWarning Refer to
Tire Pressure Monitoring System (TPMS) Warning Indication/Warni ng
Light*1
Flashing 7-32
Turns on 7-36
(Red) KEY Warning Indication/Warning Light
*17-32
(Amber)
*High Beam Control System (HBC) Warning Indication/Warning Light*17-33
*i-ACTIVSENSE Warning Indication/Warning Light*17-33
Exterior Light Warning I
ndication/Warning Light*17-33
Low Fuel Warning Indication/Warning Light 7-33
Check Fuel Cap Warning Indication/Warning Light*17-34
Engine Oil Level Warning Indication/Warning Light*17-34
Seat Belt Warning Indication/Warning Light (Front seat) 7-34
(Red)Seat Belt Warning Light (Rear seat) 7-35
*Low Washer Fluid Level Warning Indication/Warning Light
7-35
Door-Ajar Warning Indication
7-36
*Trunk lid-Ajar Warning Indication 7-36
*Liftgate-Ajar Warning Indication 7-36
When Driving
Instrument Cluster and Display
*Some models.4-23
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SignalWarning Refer to
Door-Ajar Warning Light 7-36
*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.
▼ Indication/Indicator Lights
These lights turn on or flash to notify the user of the system
operation status or a system
malfunction.
Signal Indicator Refer to
(Green)Seat Belt Indicator Light (Rear seat) 2-27
*Front Passenger Air Bag Deactivation Indicator Light
2-72
Security Indicator Light
3-40
(Green)KEY Indicator Light 4-5
Wrench Indication/Indicator Light*14-27
*Shift Position Indication
4-35
Lights-On Indicator Light
4-43
Headlight High-Beam Indicator LightHeadlight
High-Low Beam 4-46
Flashing the Headlights 4-46
When Driving
Instrument Cluster and Display
4-24*Some models.
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▼Setting the System
The MRCC with Stop & Go function
system operates when all of the following conditions
are met.
Vehicle speed is 0 km/h (0 mph) to 145 km/h (90 mph)
The MRCC with Stop & Go function is turned on.
The brake pedal is not depressed.
The parking brake is released (E lectric Parking Brake (EPB) indicator light is turned off).
There is no problem with the DSC.
All the doors are closed.
The driver's seat belt is fastened.
The selector lever is in the drive (D) position or manual (M) p osition (manual mode).
NOTE
In the following cases, the MRCC with Stop & Go function system is canceled when the
vehicle is traveling at 30 km/h (20 mph) or less and “Mazda Radar Cruise Control
Disabled Under 30 km/h (20mph)” is displayed in the multi-information display.
The Forward Sensing Camera (FSC) cannot de tect target objects (There is problem
with the Forward Sensing Camera (FSC) or windshield is dirty).
There is a problem with the stop hold control function.
There is a problem with the Electric Parking Brake (EPB).
When the MRCC with Stop & Go function system is operating, Distance & Speed Alert
(DSA), and Smart Brake Support (SBS) also turns on automatically.
It may not be possible to set the MRCC with Stop & Go f unction system directly after
starting the engine, while the DSC operation is being checked.
Turning on the system
1. CANCEL switch
2. RES switch
3. MRCC switch

When Driving
i-ACTIVSENSE
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