check engine MAZDA MODEL 3 HATCHBACK 2019 (in English) Owner's Manual

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 you find a leak or other damage, or if
coolant is still leaking:
Stop the engine and call an Authorized
Mazda Dealer.
1. Cooling system cap
2. Cooling fan
3. Coolant reservoir

If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required (page
6-17).
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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If a Warning Light TurnsOn or Flashes
▼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.
The details for some warnings can be
viewed on the center display or
multi-information display in the
instrument cluster.
Center display
1. Select “Information” on the home
screen.
2. Select “Vehicle Status Monitor”.
3. Select the applicable warning to view the warning details.
NOTE
You can also display the currently
occurring warning by sliding the
commander knob to the left while on the
home screen of the center display.
Multi-information display
1. Press the INFO switch on the steeringswitch to display the warning
indication screen.
Refer to Multi-info rmation Display on
page 4-14.
▼ Brake System Warning Indication/
Wa r n i n g L i g h t
This warning has the following functions:
Warning light inspection
For an operation check, make sure that the
light turns on when the ignition is
switched on, and turns off a few seconds
later or when the engine is started.
When the light turns on
If the brake system w
arning light remains
illuminated 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.
Refer to Inspecting Brake/Clutch Fluid
Level on page 6-18.
WA R N I N G
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.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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2. Turn off the engine and wait 5 minutesfor the oil to drain back into the oil
pan.
3. Inspect the engi ne oil level (page
6-16). 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.
▼ High Engine Coolant Temperature
Warning Indication
Displays if the engine coolant temperature
has increased excessively.
“Elevated Engine Coolant Temp. Drive
Slowly” displayed
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.
“Excessive Engine Coolant Temp. Stop
the Vehicle in a Safe Location”
displayed
This indicates the possibility of
overheating. Park the vehicle in a safe
place immediately 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
illuminated. Otherwise, it could result in
damage to the engine.
▼ Power Steering Malfunction
Indication/Indicator Light
The message is displayed if the electric
power steering has a malfunction.
If the message is d
isplayed, stop the
vehicle in a safe place and do not operate
the steering wheel. There is no problem if
the message in the display turns off after a
while. Contact an Authorized Mazda
Dealer if the message is displayed
continuously.
NOTE
If the message is displayed, the power
steering will not operate normally. In
this case, the steering wheel can still be
operated, however, the operation may
feel heavy compared to normal, or the
steering wheel could vibrate when
turning.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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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.
▼ABS Warning Indication/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.
Recharge the battery.
The brake assist system does not operate
while the ABS warning light is
illuminated.
▼Master Warning Indication
The indication display
s if the system has a
malfunction.
Check the reason for the indication
displaying on the center display or
multi-information display.
Refer to If a Warni ng Light Turns On or
Flashes on page 7-26.
▼ Brake Control System Warning
Indication/Warning Light
The warning light ill
uminates when the
system has a malfunction. Have your
vehicle inspected at an Authorized Mazda
Dealer.
▼ Electric Parking Brake (EPB)
Indication/Indicator Light
This warning has the following functions:
Parking brake warning/Indicator 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 released.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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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 operated,
consult an Authorized Mazda Dealer as
soon as possible.
▼ Brake Override Warning Indication
This message is displayed when the
accelerator pedal and brake pedal are
depressed at the same time while driving.
Action to be taken
Release the accelerator pedal and depress
the brake pedal.
▼Check Engine Indication/Light
If this light illumina
tes 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 engine's electrical system has a
problem.
The emission control system has a
problem.
The fuel tank level being very low or
approaching empty.
The fuel-filler cap is missing or not
tightened securely.
If the check engine li ght remains on, or it
flashes continuously , do not drive at high
speeds and consult an Authorized Mazda
Dealer as soon as possible.
WA R N I N G
If the check engine light turns on, do not
disconnect the battery cables.
If the battery cables are disconnected and
then reconnected, the engine could be
damaged and catch on fire.
▼Automatic Transmission Warning
Indication/Warning Light*
The indication/light
illuminates when the
transmission has a problem.
CAUTION
If the automatic transmission warning
indication/light illuminates, the
transmission has an electrical problem.
Continuing to drive your Mazda in this
condition could cause damage to your
transmission. Consult an Authorized
Mazda Dealer as soon as possible.
▼ AWD Warning Indication/Warning
Light*
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-30*Some models.
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“Key Not Detected” is displayed
If the presence of the key cannot be
detected (dead battery, battery
malfunction, no key), it is displayed
when the driver attempts to start the
engine (push button start operation,
brake pedal depression).
Displayed when it is determined that a
key that was in the vehicle has been
removed from the vehicle. (Key taken
out warning. Other than IG-OFF)
▼High Beam Control System (HBC)
Warning Indication/Warning Light
(Amber)
*
The light remains turned on if there is a
problem with the system. Have your
vehicle inspected at an Authorized Mazda
Dealer.
▼i-ACTIVSENSE Warning
Indication/Warning Light*
The indication displays if the system has a
malfunction.
Check the reason for the indication
displaying on the center display or
multi-information display.
Refer to If a Warning Light Turns On or
Flashes on page 7-26.
▼Exterior Light Warning Indication/
War ni ng L i gh t
This light illuminates if there is a
malfunction in the exterior lights (except
license plate lights). Have your vehicle
inspected by an Authorized Mazda Dealer.
▼Low Fuel Warning Indication/
War ni ng L i gh t
The light turns on when the remaining fuel
is about 9.0 L (2.3 US gal, 1.9 Imp gal). If
you continue to drive after the light turns
on without refueling and the fuel gauge
reaches nearly empty, the light flashes.
NOTE
The light illumination timing may vary
because fuel inside the fuel tank moves
around according to the driving conditions
and the vehicle posture.
Action to be taken
Add fuel. If the light is flashing, refuel as
soon as possible.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-33
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▼Check Fuel Cap Warning
Indication/Warning Light
If the check fuel cap warning light
illuminates while driving, the fuel-filler
cap may not be installed properly.
Action to be taken
Stop the engine and rei
nstall the fuel-filler
cap.
Refer to Refueling on page 3-27.
▼ Engine Oil Level Warning
Indication/Warning Light
This warning light
indicates that the
engine oil level is around the MIN mark
(page 6-16).
Action to be taken
Add 1 L (0.3 US gal, 0.2 Imp gal) of
engine oil (page 6-15).
▼ Seat Belt Warning Indication/
Warning Light (Front seat)
Except Mexico
The seat belt warning
light turns on if the
driver or front passeng er'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 unfastened (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 warning 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
classification 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
passenger's seat, the warning light may
not operate.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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Display*1*2ContentAction to be taken
Distance & Speed Alert
Operation Canceled Drive
Safely This message is indicated when the Dis‐
tance & Speed Alert (DSA) have been
canceled other than by the driver.
Have your vehicle inspected by an Au‐
thorized Mazda Dealer.
Cruise Control Operation
Canceled. Drive Safely This message is indicated when the
Cruise Control have been canceled other
than by the driver. Have your vehicle inspected by an Au‐
thorized Mazda Dealer.
Emergency Braking Acti‐
vated. Depress Brake Ped‐
al to Hold Stop This message is indicated after the Smart
Brake Support (SBS) brakes operate and
when the Smart Brake Support (SBS) is
canceled.
Depress the brake pedal.
Touch Key Fob to Push
Button Start Switch This message is indicated when the key
battery is weak (battery dead or damaged
key). Touch the key against push button start
to start the engine.
Refer to Engine Start Function When
Key Battery is Dead on page 4-8.
Depress Brake Pedal to
Start Engine This message is indicated when the push
button start is presse
d without depressing
the brake pedal. Depress the brake pedal and press the
push button start.
Depress Clutch Pedal to
Start Engine This message is indicated when the push
button start is presse
d without depressing
the clutch pedal. Depress the clutch pedal and press the
push button start.
Check Gear Selector Lever
Position This message is indicated when the se‐
lector lever is shifted to the P or R posi‐
tion while driving.
Check the selector lever position.
Close Door and Fasten
Seat Belt This message is indicated when AUTO‐
HOLD is about to operate and a door is
opened or a seat belt is unfastened. When the AUTOHOLD is turned on,
close the doors and fasten seat belts.
Wiper Blades Must Be on
Windshield Before Operat‐
ing This message is indicated when the
windshield wipers are operated with the
wipers raised off the windshield.
Lower the windshield wipers.
Windshield Wiper Range
of Motion Reduced. Re‐
move Obstruction(s) This message is indicated when there is
snow or dirt accumulation on the wind‐
shield and the wiper operation range is
narrowed.
Remove foreign matter from the wind‐
shield.
Ignition Not Switched Off This message is indicated when the driv‐
er’s door is opened without switching the
ignition OFF. Switch the ignition OFF before leaving
the vehicle.
Gear Selector Lever Not in
Park This message is indicated when a door is
opened with the selector lever in a posi‐
tion other than the P position. Shift the selector lever to the P position
before leaving the vehicle.
Excessive Transmission
Temperature. Drive Slowly This message is indicated when the inter‐
nal temperature of the automatic trans‐
mission is high. Drive slowly to redu
ce load on the auto‐
matic transmission.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
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▼Capacities
(Approximate Quantities)
Item
Capacity
Engine oil SKYAC‐
TIV-G 2.0
With oil filter replacement
4.2 L (4.4 US qt, 3.7 Imp qt)
Without oil filter replacement 4.0 L (4.2 US qt, 3.5 Imp qt)
SKYAC‐
TIV-G 2.5 With oil filter replacement
4.5 L (4.8 US qt, 4.0 Imp qt)
Without oil filter replacement 4.3 L (4.5 US qt, 3.8 Imp qt)
Coolant Manual transmission
6.3 L (6.7 US qt, 5.5 Imp qt)
Automatic
transmission SKYACTIV-G 2.0
6.5 L (6.9 US qt, 5.7 Imp qt)
SKYACTIV-G 2.5 6.6 L (7.0 US qt, 5.8 Imp qt)
Manual transmis‐
sion oil SKYACTIV-G 2.0
1.70 L (1.80 US qt, 1.50 Imp qt)
SKYACTIV-G 2.5 1.65 L (1.74 US qt, 1.45 Imp qt)
Automatic trans‐
mission fluid SKYACTIV-G 2.0
7.6 L (8.0 US qt, 6.7 Imp qt)
SKYAC‐
TIV-G 2.5 U.S.A. and
CanadaWith Cylinder Deactiva‐
tion
7.9 L (8.3 US qt, 7.0 Imp qt)
Without Cylinder Deacti‐
vation 7.6 L (8.0 US qt, 6.7 Imp qt)
Mexico 7.6 L (8.0 US qt, 6.7 Imp qt)
Transfer case oil 0.35 L (0.37 US qt, 0.31 Imp qt)
Rear differential oil 0.35 L (0.37 US qt, 0.31 Imp qt)
Fuel tank U.S.A. and
Canada2WD
50.0 L (13.2 US gal, 11.0 Imp gal)
AWD 48.0 L (12.7 US gal, 10.6 Imp gal)
Mexico 51.0 L (13.5 US gal, 11.2 Imp gal)
Check oil and fluid levels with dipsticks or reservoir gauges.
Specifications
Specifications
9-5
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SKYACTIV-G 2.5
(4-Door)
ItemWe i gh t
Manual transmission Automatic transmission
GVW (Gross Vehicle Weight) 1,861 kg (4,103 lbs)1,870 kg (4,123 lbs)
(5-Door)
Item We i gh t
Manual transmission Automatic transmission
GVW (Gross Vehicle Weight) 1,848 kg (4,074 lbs)1,870 kg (4,123 lbs)
▼Air Conditioner*
The type of refrigerant used is indicated on a label attached t
o the inside of the engine com‐
partment. Check the label befo re recharging the refrigerant.
Refer to Operating Tips on page 5-2.
Item Specification
Refrigerant Type HFC134a (R-134a)
▼Light Bulbs
Exterior light
Light bulb Category
Wattage UN-R*1 (SAE)
Headlights LED
*2― (―)
Daytime running lights LED
*2― (―)
Parking lights LED type
LED
*2― (―)
Bulb type 5 WY5W (―)
Front turn signal lights LED
*2― (―)
Front side-marker lights LED type
LED
*2― (―)
Bulb type 5 WY5W (―)
Side turn signal lights
*LED*2― (―)
High-mount brake light LED
*2― (―)
Rear turn signal lights LED
*2― (―)
Rear side-marker lights LED
*2― (―)
Brake lights LED
*2― (―)
Taillights LED
*2― (―)
Reverse lights LED
*2― (―)
License plate lights LED
*2― (―)
Specifications
Specifications
9-8*Some models.
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