2020 MAZDA MODEL 3 HATCHBACK check engine

“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 Warnin g Light Turns On or
Flashes on page 7-27.
▼ Exterior Light Warning Indication/
Wa r n i n g L i g h 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.
CAUTION
Do not drive the vehicle while an exterior
light has a malfunction. Poor visibility, and
not being able to signal braking and turns
may cause an accident. In addition, if the
vehicle is driven with the lights not turned
on, it may
conflict with laws and
regulations due to poor maintenance.
▼ Low Fuel Warning Indication/
Wa r n i n g L i g h 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.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-34*Some models.
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Action to be taken
Add fuel. If the light is flashing, refuel as
soon as possible.
▼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 reinstall the fuel-filler
cap.
Refer to Refueli
ng on page 3-28.
▼Engine Oil Level Warning
Indication/Warning Light
This warning light indicates that the
engine oil level is around the MIN mark
(page 6-16).
CAUTION
Do not continue to drive the vehicle with
the engine oil level warning indication/
warning light displayed/turned on. If the
vehicle continues to be driven with an
insufficient amount of engine oil, it could
cause damage to the engine.
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)
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 p assenger'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 sho rt 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. (Except Mexico, Puerto Rico)
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.
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
7-35
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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
7-39
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The Electric Parking Brake (EPB)
switch is pulled while the vehicle is
driven.
You attempt to start driving the vehicle
while the conditions for releasing the
Electric Parking Brake (EPB)
automatically have not been met.
▼AUTOHOLD Warning Beep
Warning light flashes/message is displayed
and beep sound is activated
simultaneously for about 5 seconds when
using AUTOHOLD function or when
AUTOHOLD switc
h is operated.
Because a problem with AUTOHOLD
function has occurred, AUTOHOLD
function does not operate even if
AUTOHOLD switc h is operated.

If the warning light flashes/message is
displayed and the beep sound is activated
simultaneously, have your vehicle
inspected at an Authorized Mazda Dealer.
▼ Vehicle Problem Warning Beep
If any of the
following problems occur, a
warning beep is activated. Check the
information regarding the warning
indication in the inst rument cluster or on
the center display.
Automatic transmission problem
Increase in automatic transmission
internal temperature
Brake fluid amount decrease
Engine oil level sensor problem
Electric Parking Brake (EPB) problem
Engine hydraulic p ressure decrease
Engine coolant temperature increase
Engine system problem
▼Blind Spot Monitoring (BSM)
System Warning Beep*
The Blind Spot Monitoring (BSM)
warning beep operates when the turn
signal lever is operated to the side where
the Blind Spot Monitoring (BSM) warning
light is illuminated.
▼Front Cross Traffic Alert (FCTA)
Warning Beep*
The Front Cross Tr
affic Alert (FCTA)
warning beep is activated if there is a
possibility of collision with a vehicle
approaching from the front on the left and
right sides of the vehicle.
▼ Rear Cross Traffic Alert (RCTA)
Warning Beep*
The Rear Cross Traffic Alert (RCTA)
warning beep is activated if there is a
possibility of collision with a vehicle
approaching from behind and from the
rear on the left and right sides of the
vehicle.
▼
Lane Departure Warning Sound*
While the system is operating, if the
system determines that the vehicle may
depart from the lane, it sounds a warning
sound.
NOTE
The volume of the Lane Departure
Warning System (LDWS) warning sound
can be changed.
Refer to the Settings section in the Mazda
Connect Owner's Manual.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-44*Some models.
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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
CanadaFWD
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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▼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 5WY5W (―)
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― (―)
*1 UN-R stands for United Nations Regulation.*2 LED is the abbreviation for Light Emitting Diode.
Specifications
Specifications
9-8*Some models.
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