Mazda 3 (2018 year). Instruction

Overheating

If the high engine coolant temperature
warning light turns on, the vehicle loses
power, or you hear a loud knocking or
pinging noise, the engine is probably too
hot.

WARNING

Pull over to a safe location, then switch

the ignition off and make sure the fan is not
running before attempting to work near
the cooling fan:
Working near the cooling fan when it is
running is dangerous. The fan could
continue running indefinitely even if the
engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.

Do not remove either cooling

system cap when the engine and radiator
are hot:
When the engine and radiator are hot,
scalding coolant and steam may shoot out
under pressure and cause serious injury.

Open the hood ONLY after steam is no
longer escaping from the engine:
Steam from an overheated engine is
dangerous. The escaping steam could
seriously burn you.

If the high engine coolant temperature
warning light turns on:

1. Drive safely to the side of the road and

park off the right-of-way.

2. Put a vehicle with an automatic

transaxle in park (P), a manual
transaxle in neutral.

3. Apply the parking brake.
4. Turn off the air conditioner.
5. Check whether coolant or steam is

escaping from the engine
compartment.

If steam is coming from the engine
compartment:
Do not go near the front of the vehicle.
Stop the engine.
Wait until the steam dissipates, then
open the hood and start the engine.

If neither coolant nor steam is
escaping:
Open the hood and idle the engine
until it cools.

CAUTION

If the cooling fan does not operate
while the engine is running, the engine
temperature will increase. Stop the
engine and call an Authorized Mazda
Dealer.

6. Make sure the cooling fan is operating,

then turn off the engine after the
temperature has decreased.

7. When cool, check the coolant level.

If it is low, look for coolant leaks from
the radiator and hoses.

If Trouble Arises

Overheating

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If you find a leak or other damage, or if
coolant is still leaking:
Stop the engine and call an Authorized
Mazda Dealer.

Cooling system cap

Coolant reservoir

Cooling fan

If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required (page
6-25).

CAUTION

If the engine continues to overheat or
frequently overheats, have the cooling
system inspected. The engine could be
seriously damaged unless repairs are
made. Consult an Authorized Mazda
Dealer.

If Trouble Arises

Overheating

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Towing Description

We recommend that towing be done only
by an Authorized Mazda Dealer or a
commercial tow-truck service.

Proper lifting and towing are necessary to
prevent damage to the vehicle.
Government and local laws must be
followed.

A towed vehicle usually should have its
drive wheels (front wheels) off the ground.
If excessive damage or other conditions
prevent this, use wheel dollies.

Wheel dollies

When towing with the rear wheels on the
ground, release the parking brake.
Refer to Parking Brake on page 4-61.
Refer to Electric Parking Brake (EPB) on
page 4-61.

CAUTION

Do not tow the vehicle pointed backward

with driving wheels on the ground. This
may cause internal damage to the
transaxle.

Do not tow with sling-type equipment.

This could damage your vehicle. Use
wheel-lift or flatbed equipment.

If Trouble Arises

Emergency Towing

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(With Electric Parking Brake (EPB))

If the electric parking brake (EPB) cannot
be released when towing the vehicle,
transport the vehicle with all front and
rear wheels raised off the ground as
shown in the figure. If the vehicle is
towed without raising the wheels off the
ground, the brake system could be
damaged.

Wheel dollies

Tiedown Hooks

CAUTION

Do not use the front and rear tiedown
eyelets for towing the vehicle.
They have been designed only for securing
the vehicle to a transport vessel during
shipping.
Using the eyelets for any other purpose
could result in the vehicle being damaged.

▼ Tiedown Hooks

1. Remove the tiedown eyelet and the lug

wrench from the luggage compartment
(page 7-3).

2. Wrap a flathead screwdriver or similar

tool with a soft cloth to prevent
damage to a painted bumper, and open
the cap located on the front or rear
bumper.
Front

Rear

If Trouble Arises

Emergency Towing

*Some models.

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(4–Door)

(5–Door)

CAUTION

Do not use excessive force as it may
damage the cap or scratch the painted
bumper surface.

NOTE
Remove the cap completely and store it
so as not to lose it.

3. Securely install the tiedown eyelet

using the lug wrench.
Front

Tiedown eyelet

Lug wrench

Rear

Lug wrench

Tiedown eyelet

4. Hook the tying rope to the tiedown

eyelet.

CAUTION

If the tiedown eyelet is not securely
tightened, it may loosen or disengage
from the bumper when tying the
vehicle. Make sure that the tiedown
eyelet is securely tightened to the
bumper.

If Trouble Arises

Emergency Towing

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If a Warning Light Turns On or Flashes

If any warning light turns on/flashes, take appropriate action for each light. There is no
problem if the light turns off, however if the light does not turn off or turns on/flashes again,
consult an Authorized Mazda Dealer.
(Vehicles with type B audio)
The details for some warnings can be viewed on the center display.
1. If the warning light is turned on, select icon on the home screen to display the

application screen.

2. Select “Vehicle Status Monitor”.
3. Select “Warning Guidance” to display the current warnings.
4. Select the applicable warning to view the warning details.

▼ Stop Vehicle in Safe Place Immediately

If any of the following warning lights turns on, the system may have a malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.

Signal

Warning

Brake System Warning

Light

Without Electric Parking Brake (EPB)

This warning has the following functions:
Parking brake warning/Warning light inspection
The light illuminates when the parking brake is applied with the ignition switched to
START or ON. It turns off when the parking brake is fully released.
Low brake fluid level warning
If the brake warning light remains illuminated even though the parking brake is re-
leased, the brake fluid may be low or there could be a problem with the brake system.
Park the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.

WARNING

Do not drive with the brake system warning light illuminated. Contact an Authorized
Mazda Dealer to have the brakes inspected as soon as possible:
Driving with the brake system warning light illuminated is dangerous. It indicates that
your brakes may not work at all or that they could completely fail at any time. If this
light remains illuminated, after checking that the parking brake is fully released, have
the brakes inspected immediately.

CAUTION

In addition, the effectiveness of the braking may diminish so you may need to depress
the brake pedal more strongly than normal to stop the vehicle.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Brake System Warning

Light

With Electric Parking Brake (EPB)

This warning has the following functions:
Parking brake warning/Warning light inspection
The light illuminates when the electric parking brake (EPB) is applied with the igni-
tion switched to START or ON. It turns off when the electric parking brake (EPB) is
released.
When the light turns on
If the brake system warning light remains turned on even though the electric parking
brake (EPB) is released, the brake fluid may be low or there could be a problem with
the brake system. Park the vehicle in a safe place immediately and contact an Author-
ized Mazda Dealer.
When the light is flashing
The light flashes if the electric parking brake (EPB) has a malfunction.
If the light remains flashing even if the electric parking brake (EPB) switch is operat-
ed, consult an Authorized Mazda Dealer as soon as possible.

WARNING

CAUTION

In addition, the effectiveness of the braking may diminish so you may need to depress
the brake pedal more strongly than normal to stop the vehicle.

Electronic Brake Force

Distribution System

Warning

If the electronic brake force distribution control unit determines that some compo-
nents are operating incorrectly, the control unit may illuminate the brake system
warning light and the ABS warning light simultaneously. The problem is likely to be
the electronic brake force distribution system.

WARNING

Do not drive with both the ABS warning light and brake warning light illuminated.
Have the vehicle towed to an Authorized Mazda Dealer to have the brakes inspected as
soon as possible:
Driving when the brake system warning light and ABS warning light are illuminated si‐
multaneously is dangerous.
When both lights are illuminated, the rear wheels could lock more quickly in an emer‐
gency stop than under normal circumstances.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Charging System Warn-

ing Light

If the warning light illuminates while driving, it indicates a malfunction of the alter-
nator or of the charging system.
Drive to the side of the road and park off the right-of-way. Consult an Authorized
Mazda Dealer.

CAUTION

Do not continue driving when the charging system warning light is illuminated be‐
cause the engine could stop unexpectedly.

Engine Oil Warning

Light

This warning light indicates low engine oil pressure.

CAUTION

Do not run the engine if the oil pressure is low. Otherwise, it could result in extensive
engine damage.

If the light illuminates or the warning indication is displayed while driving:
1. Drive to the side of the road and park off the right-of-way on level ground.
2. Turn off the engine and wait 5 minutes for the oil to drain back into the oil pan.
3. Inspect the engine oil level (page 6-24). If it's low, add the appropriate amount of

engine oil while being careful not to overfill.

CAUTION

Do not run the engine if the oil level is low. Otherwise, it could result in extensive
engine damage.

4. Start the engine and check the warning light.

If the light remains illuminated even though the oil level is normal or after adding oil,
stop the engine immediately and have your vehicle towed to an Authorized Mazda
Dealer.

(Red)

High Engine Coolant

Temperature Warning

Light

The light flashes when the engine coolant temperature is extremely high, and illumi-
nates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine load until you can find a safe place to stop the vehicle
and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place immedi-
ately and stop the engine.
Refer to Overheating on page 7-20.

CAUTION

Do not drive the vehicle with the high engine coolant temperature warning light illumi‐
nated. Otherwise, it could result in damage to the engine.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Power Steering Mal-

function Indicator Light

The light illuminates/flashes if the electric power steering has a malfunction.
If the light illuminates/flashes, stop the vehicle in a safe place and do not operate the
steering wheel. There is no problem if the light turns off after a while. Contact an Au-
thorized Mazda Dealer if the light illuminates/flashes continuously.

NOTE



If the indicator light illuminates/flashes, the power steering will not operate normal-
ly. In this happens, the steering wheel can still be operated, however, the operation
may feel heavy compared to normal, or the steering wheel could vibrate when turn-
ing.



Repeatedly jerking the steering wheel left and right while the vehicle is stopped or
moving extremely slowly will cause the power steering system to go into protective
mode which will make the steering feel heavy, but this does not indicate a problem. If
this occurs, park the vehicle safely and wait several minutes for the system to return
to normal.

▼ Contact Authorized Mazda Dealer and Have Vehicle Inspected

If any of the following warning lights or the indicator light turns on/flashes, the system may
have a malfunction. Contact an Authorized Mazda Dealer to have your vehicle inspected.

Signal

Warning

ABS Warning Light

If the ABS warning light stays on while you're driving, the ABS control unit has detected
a system malfunction. If this occurs, your brakes will function normally as if the vehicle
had no ABS.
Should this happen, consult an Authorized Mazda Dealer as soon as possible.

NOTE



When the engine is jump-started to charge the battery, uneven rpm occurs and the ABS
warning light may illuminate. If this occurs, it is the result of the weak battery and does
not indicate an ABS malfunction.



The brake assist system does not operate while the ABS warning light is illuminated.

Master Warning

Light



(Vehicles with type B audio)
The light turns on when the system has a malfunction.
Operate the center display and verify the content.
Refer to If a Warning Light Turns On or Flashes on page 7-25.



(Vehicles without type B audio)
The light illuminates continuously if any one of the following occurs. Consult an Au-
thorized Mazda Dealer.



There is a malfunction in the battery management system.



There is a malfunction in the brake switch.

Electric Parking

Brake (EPB) Warn-

ing Light

The warning light illuminates when the system has a malfunction. Have your vehicle in-
spected at an Authorized Mazda Dealer.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Check Engine Light

If this light illuminates while driving, the vehicle may have a problem. It is important to
note the driving conditions when the light illuminated and consult an Authorized Mazda
Dealer.
The check engine light may illuminate in the following cases:



The fuel tank level being very low or approaching empty.



The engine's electrical system has a problem.



The emission control system has a problem.



The fuel-filler cap is missing or not tightened securely.

If the check engine light remains on, or it flashes continuously, do not drive at high speeds
and consult an Authorized Mazda Dealer as soon as possible.

Automatic Trans-

axle Warning Light

The indication/light illuminates when the transaxle has a problem.

CAUTION

If the automatic transaxle warning indication/light illuminates, the transaxle has an electri‐
cal problem. Continuing to drive your Mazda in this condition could cause damage to your
transaxle. Consult an Authorized Mazda Dealer as soon as possible.

(Turns on)

TCS/DSC Indicator

Light

If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and
they may not operate correctly. Take your vehicle to an Authorized Mazda Dealer.

Air Bag/Seat Belt

Pretensioner System

Warning Light

A system malfunction is indicated if the warning light constantly flashes, constantly illu-
minates or does not illuminate at all when the ignition is switched ON. If any of these
occur, consult an Authorized Mazda Dealer as soon as possible. The system may not oper-
ate in an accident.

WARNING

Never tamper with the air bag/pretensioner systems and always have an Authorized Mazda
Dealer perform all servicing and repairs:
Self-servicing or tampering with the systems is dangerous. An air bag/pretensioner could
accidentally activate or become disabled causing serious injury or death.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

*Some models.

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Signal

Warning

(Flashing)

Tire Pressure Moni-

toring System Warn-

ing Light

If the tire pressure monitoring system has a malfunction, the tire pressure warning light
flashes for about 1 minute when the ignition is switched ON and then continues illuminat-
ing. Have your vehicle checked by an Authorized Mazda Dealer as soon as possible.

WARNING

If the tire pressure monitoring system warning light illuminates or flashes, or the tire pres‐
sure warning beep sound is heard, decrease vehicle speed immediately and avoid sudden
maneuvering and braking:
If the tire pressure monitoring system warning light illuminates or flashes, or the tire pres‐
sure warning beep sound is heard, it is dangerous to drive the vehicle at high speeds, or
perform sudden maneuvering or braking. Vehicle drivability could worsen and result in an
accident.
To determine if you have a slow leak or a flat, pull over to a safe position where you can
check the visual condition of the tire and determine if you have enough air to proceed to a
place where air may be added and the system monitored again by an Authorized Mazda
Dealer or a tire repair station.

Do not ignore the TPMS Warning Light:
Ignoring the TPMS warning light is dangerous, even if you know why it is illuminated. Have
the problem taken care of as soon as possible before it develops into a more serious situa‐
tion that could lead to tire failure and a dangerous accident.

(Red)

(Turns on)

KEY Warning Light

If any malfunction occurs in the keyless entry system, it illuminates continuously.

CAUTION

If the key warning indicator light illuminates or the push button start indicator light (am‐
ber) flashes, the engine may not start. If the engine cannot be started, try starting it using
the emergency operation for starting the engine, and have the vehicle inspected at an Au‐
thorized Mazda Dealer as soon as possible.

Refer to Emergency Operation for Starting the Engine on page 4-10.

Security Indicator

Light

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 igni-
tion off, and then restart the engine. If the engine does not start after 3 or more tries, con-
tact an Authorized Mazda Dealer.

(Amber)

High Beam Control

System (HBC)

Warning Light

The light remains turned on if there is a problem with the system. Have your vehicle in-
spected at an Authorized Mazda Dealer.

NOTE

If the windshield area in front of the Forward Sensing Camera (FSC) is fogged or ob-
structed, the light turns on temporarily. If the light remains turned on, there may be a
problem with the system.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Blind Spot Monitor-

ing (BSM) OFF In-

dicator Light

A problem in the system may be indicated under the following conditions.
Have your vehicle inspected at an Authorized Mazda Dealer.



The light does not turn on when the ignition is switched ON.



The light remains on even when the Blind Spot Monitoring (BSM) system can be operat-
ed.



The light turns on while driving the vehicle.

NOTE

If the vehicle is driven on a road with less traffic and few vehicles that the radar sensors
can detect, the system may pause (The Blind Spot Monitoring (BSM) OFF indicator light
in the instrument cluster illuminates). However, it does not indicate a malfunction.

(Amber)

Mazda Radar Cruise

Control (MRCC)

Warning Light

The “Front radar sensor system malfunction” is displayed if there is a malfunction in the
system while the Mazda Radar Cruise Control (MRCC) system is on. Have your vehicle
inspected at an Authorized Mazda Dealer.

(Turns on)

Lane-keep Assist

System (LAS) &

Lane Departure

Warning System

(LDWS) Warning

Light

The warning light turns on if the system has a malfunction. Have your vehicle inspected
at an Authorized Mazda Dealer.

CAUTION

 Always use tires for all wheels that are of the specified size, and the same manufacture,

brand, and tread pattern. In addition, do not use tires with significantly different wear
patterns on the same vehicle. If such improper tires are used, the system may not operate
normally.

 When an emergency spare tire is used, the system may not operate normally.

LED Headlight

Warning Light

This light illuminates if there is a malfunction in the LED headlight. Have your vehicle
inspected by an Authorized Mazda Dealer.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

*Some models.

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▼ Taking Action

Take the appropriate action and verify that the warning light turns off.

Signal

Warning

Action to be taken

(Turns on)

Tire Pressure

Monitoring

System

Warning

Light

When the warning light illuminates, and the
warning beep sound is heard (about 3 seconds),
tire pressure is too low in one or more tires.

WARNING

If the tire pressure monitoring system warning
light illuminates or flashes, or the tire pressure
warning beep sound is heard, decrease vehicle
speed immediately and avoid sudden maneuver‐
ing and braking:
If the tire pressure monitoring system warning
light illuminates or flashes, or the tire pressure
warning beep sound is heard, it is dangerous to
drive the vehicle at high speeds, or perform sud‐
den maneuvering or braking. Vehicle drivability
could worsen and result in an accident.
To determine if you have a slow leak or a flat, pull
over to a safe position where you can check the
visual condition of the tire and determine if you
have enough air to proceed to a place where air
may be added and the system monitored again
by an Authorized Mazda Dealer or a tire repair
station.

Do not ignore the TPMS Warning Light:
Ignoring the TPMS warning light is dangerous,
even if you know why it is illuminated. Have the
problem taken care of as soon as possible before
it develops into a more serious situation that
could lead to tire failure and a dangerous acci‐
dent.

Inspect the tires and adjust to the specified in-
flation pressure (page 6-38).

NOTE



Perform tire pressure adjustment when the
tires are cold. Tire pressure will vary accord-
ing to the tire temperature, therefore let the ve-
hicle stand for 1 hour or only drive it 1.6 km (1
mile) or less before adjusting the tire pres-
sures. When pressure is adjusted on hot tires to
the cold inflation pressure, the TPMS warning
light/beep may turn on after the tires cool and
pressure drops below specification.
Also, an illuminated TPMS warning light, re-
sulting from the tire air pressure dropping due
to cold ambient temperature will remain illu-
minated even if the ambient temperature rises.
In this case, it will also be necessary to adjust
the tire air pressures. If the TPMS warning
light illuminates due to a drop in tire air pres-
sure, make sure to check and adjust the tire air
pressures.



Tires lose air naturally over time and the
TPMS cannot tell if the tires are getting too
soft over time or you have a flat. However,
when you find one low tire in a set of four-that
is an indication of trouble; you should have
someone drive the vehicle slowly forward so
you can inspect any low tire for cuts and any
metal objects sticking through tread or side-
wall. Put a few drops of water in the valve
stem to see if it bubbles indicating a bad valve.
Leaks need to be addressed by more than sim-
ply reinflating the tire as leaks are dangerous
― take it to an Authorized Mazda Dealer.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Action to be taken

Smart Brake

Support/

Smart City

Brake Sup-

port (SBS/

SCBS)Smart

City Brake

Support
(SCBS)

Warning

Light

The light turns on if the windshield or the radar
sensor are dirty, or there is a malfunction in the
system. The light turns on if the windshield is
dirty or there is a malfunction in the system.

Verify the reason why the warning light is illu-
minated on the center display.
If the reason why the warning light is illuminat-
ed is due to a dirty windshield, clean the wind-
shield.
If the warning light is illuminated because of a
dirty radar sensor, clean the front emblem.
For any other reasons, have the vehicle inspect-
ed at an Authorized Mazda Dealer.

Low Fuel

Warning

Light

The light turns on when the remaining fuel is
about 9.0 L (2.3 US gal, 1.9 Imp gal).

NOTE

The light illumination timing may vary because
fuel inside the fuel tank moves around accord-
ing to the driving conditions and the vehicle
posture.

Add fuel.

Check Fuel

Cap Warning

Light

If the check fuel cap warning light illuminates
while driving, the fuel-filler cap may not be in-
stalled properly.

Stop the engine and reinstall the fuel-filler cap.
Refer to Fuel-Filler Cap on page 3-29

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

*Some models.

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Signal

Warning

Action to be taken

Seat Belt

Warning

Light

Except Mexico
The seat belt warning light turns on if the driver
or front passenger's seat is occupied and the seat
belt is not fastened with the ignition switched
ON.
If the driver or front passenger's seat belt is un-
fastened (only when the front passenger's seat is
occupied) and the vehicle is driven at a speed
faster than about 20 km/h (12 mph), the warn-
ing light flashes. After a short time, the warning
light stops flashing, but remains illuminated.

NOTE



The warning light flashes for about 6 seconds
if the driver's seat belt is not fastened when the
ignition is switched ON.



To allow the front passenger occupant classifi-
cation sensor to function properly, do not
place and sit on an additional seat cushion on
the front passenger's seat. The sensor may not
function properly because the additional seat
cushion could cause sensor interference.



If a small child is seated on the front passeng-
er's seat, the warning light may not operate.

Mexico
The seat belt warning light turns on if the driver
or front passenger's seat is occupied and the seat
belt is not fastened with the ignition switched
ON.
If the driver or front passenger's seat belt is un-
fastened (only when the front passenger's seat is
occupied) and the vehicle is driven at a speed
faster than about 20 km/h (12 mph), the warn-
ing light flashes. After a short time, the warning
light stops flashing, but remains illuminated. If
a seat belt remains unfastened, the warning light
flashes again for a given period of time.

NOTE



Placing heavy items on the front passenger's
seat may cause the front passenger's seat belt
warning function to operate depending on the
weight of the item.



If a small child is seated on the front passeng-
er's seat, the warning light may not operate.

Fasten the seat belts.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

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Signal

Warning

Action to be taken

Low Washer

Fluid Level

Warning

Light

This warning light indicates that little washer
fluid remains.

Add washer fluid (page 6-27).

Door-Ajar

Warning

Light

The light turns on if any door/liftgate is not
closed securely.

Close the door/liftgate securely.

KEY Warning Light

Take the appropriate action and verify that the warning light turns off.

Signal

Cause

Action to be taken

(Red)

(Flashing)

The key battery is dead.

Replace the key battery (page 6-35).

The key is not within the operation range.

Bring the key into the operation range
(page 3-7).

The key is placed in areas inside the cabin
where it is difficult for the key to be detect-
ed.

A key from another manufacturer similar to
the key is in the operation range.

Take the key from another manufacturer
similar to the key out of the operation
range.

Without the ignition switched off, the key is
taken out of the cabin, and then all the
doors are closed.

Bring the key back into the cabin.

If Trouble Arises

Warning/Indicator Lights and Warning Sounds

*Some models.

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Mazda 3 (2018 year). Instruction - part 33