engine MAZDA MODEL 3 HATCHBACK 2020 (in English) Owner's Guide

Turning the Engine Off
▼Turning the Engine Off
WA R N I N G
Do not stop the engine while the vehicle is
moving:
Stopping the engine while the vehicle is
moving for any reason other than in an
emergency is dangerous. Stopping the
engine while the vehicle is moving will
result in reduced braking ability due to the
loss of power braking, which could cause
an accident and serious injury.
1. Stop the vehicle completely.
2.
(Manual transmission)
Shift into neutral an d set the parking
brake.
(Automatic transmission)
Shift the selector lever to the P
position and set the parking brake.
3. Press the push button start to turn off
the engine. The ignition position is off.
CAUTION
When leaving the vehicle, make sure the
push button start is off.
NOTE
The cooling fan in the engine
compartment could turn on for a few
minutes after the i gnition is switched
from ON to OFF, whether or not the A/C
is on or off, to cool the engine
compartment quickly.
If the system detects that the remaining
battery power of the key is low when the
ignition is switched from ON to ACC or
OFF, the following is indicated.
Replace with a new battery before the
key becomes unusable.
Refer to Key Battery Replacement on
page 6-28.
A message is indicated in the display of
the instrument cluster.
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-33.
(Automatic transmission)
If the engine is turned off while the
selector lever is in a position other than
P, the ignition switches to ACC.
▼ Emergency Engine Stop
Continuously pressing the push button
start or quickly pressi
ng it any number of
times while the engin e is running or the
vehicle is being drive n will turn the engine
off immediately. The ignition switches to
ACC.
When Driving
Start/Stop Engine
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Cylinder Deactivation*
▼Cylinder Deactivation
The cylinder deactivation is a function
designed to reduce fuel consumption and
improve fuel economy by deactivating 2
out of the 4 cylinders while driving. The
function constantly determines which is
better for driving; 4 cylinders or 2
cylinders, regardless of the driver's
operations, and it performs the switching
automatically.
When the cylinder de
activation function
does not operate
The cylinder deactivation function does
not operate under the following
conditions.
The selector lever is in the P, N, or R
position (automatic transmission), or 1st
gear (manual transmission).
The engine oil temperature or engine
coolant temperature is low.
After disconnecting the battery
terminals for some reason, such as for
battery replacement.
When Driving
Start/Stop Engine
*Some models.4-11
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Instrument Cluster andDisplay
▼Instrument Cluster and Display

ƒ
Instrument Cluster................. page 4-12
„ Active Driving Displa y.......... page 4-29
Instrument Cluster
▼Instrument Cluster

ƒ
Tachometer.............................page 4-13
„ Multi-information Di splay..... page 4-14
… Engine Coolant Temperature
Gauge..................................... page 4-17
† Fuel Gauge............................. page 4-17
‡ Dashboard Illumination Switch .............
............................................... page 4-18
ˆ Speedometer.......................... page 4-12
‰ TRIP Switch...........................page 4-16
▼Speedometer
The speedometer indicates the speed of the
vehicle.
When Driving
Instrument Cluster and Display
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▼Tachometer
The tachometer shows engine speed in
thousands of revolutions per minute (rpm).
CAUTION
Do not run the engine with the tachometer
needle in the RED ZONE.
This may cause severe engine damage.

1. STRIPED ZONE*1
2. RED ZONE*1
*1 The range varies depending on the type of gauge.
NOTE
When the tachometer needle enters the
STRIPED ZONE, this indicates to the
driver that the gears should be shifted
before entering the RED ZONE.
When Driving
Instrument Cluster and Display
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▼Engine Coolant Temperature Gauge
Displays the engine coolant temperature.
The blue range of the gauge indicates that
the engine coolant temperature is low, and
the red range of the gauge indicates that
the engine coolant temperature is high and
overheating.

CAUTION
When the engine coolant temperature
gauge needle is in the red range, the engine
coolant temperature is extremely high.
Drive slowly to reduce engine load. If the
engine coolant temperature gauge needle
is in the red range, there is the possibility of
overheating. Park the vehicle in a safe
place immediately and take appropriate
measures.
Refer to Overheating on page 7-21.
NOTE
If the engine or engine coolant
temperature is high or low, the engine
output may be restricted to protect the
engine.
During normal driving, the engine
coolant temperature stabilizes at 100 °C
(210 °F) or less, and the gauge indicates
a range lower than 100 °C (210 °F).
▼Fuel Gauge
The fuel gauge shows approximately how
much fuel is remaining in the tank when
the ignition is switched ON. We
recommend keeping the tank over 1/4 full.

1. Full
2. 1/4 Full
3. Empty

When Driving
Instrument Cluster and Display
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If the low fuel warning light illuminates or
the fuel level is very low, refuel as soon as
possible.
If inconsistency in engine performance or
stalling occurs due to low fuel level
conditions, refuel the vehicle as soon as
possible and add at least 10 L (2.7 US gal,
2.2 Imp gal) of fuel.
Refer to Low Fuel Warning Indication/
Warning Light on page 7-34.
NOTE
After refueling, it may require some time
for the indicator to stabilize. In addition,
the indicator may deviate while driving
on a slope or curve since the fuel moves
in the tank.
The direction of the arrow ()
indicates that the fuel -filler lid is on the
left side of the vehicle.
▼ Dashboard Illumination
When the lights are turned on with the
ignition switched ON, the brightness of
the dashboard illumination is dimmed.
However, when the light sensor detects
that the surrounding area is bright such as
when the lights are turned on in the
daytime, the dashboard illumination does
not dim.
NOTE
When the ignition is switched ON in the
early evening or at dusk, the dashboard
illumination is dimmed for several
seconds until the light sensor detects the
brightness of the surrounding area,
however, the dimming may cancel after
the brightness is detected.
When the lights are turned on, the
lights-on indicator light in the
instrument cluster turns on.
Refer to Headlights on page 4-44.
The brightness of the instrument panel and
dashboard illuminations can be adjusted
by pressing the dashboard illumination
switch while the dashbo ard illumination is
dimmed.
The brightness increases by pressing the
+ switch.
The brightness decreases by pressing
the - switch. If you press the - switch
while the instrument cluster is at
maximum dimness, a sound is activated
to notify you that the current dimmer
setting is at maximum dimness.

1. Bright
2. Dim
When Driving
Instrument Cluster and Display
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Function for canceling illumination
dimmer
The illumination dimmer can be canceled
by pressing the + switch while the
instrument cluster is at maximum dimness
and while the ignition is switched ON. If
you press the + switch again while the
illumination dimmer is canceled, a sound
is activated to notify you that it is
canceled. If the instrument cluster's
visibility is reduced due to glare from
surrounding brightness, cancel the
illumination dimmer.
NOTE
When the illumina tion dimmer is
canceled, the instrument cluster cannot
be dimmed even if the lights are turned
on.
When the illumina tion dimmer is
canceled, the screen in the center
display switches to constant display of
the daytime screen.
▼ Outside Tempera
ture Display
When the ignition is switched ON, the
outside temperature is displayed.

NOTE
Under the following conditions, the
outside temperature display may differ
from the actual outside temperature
depending on the surroundings and
vehicle conditions:
Significantly cold or hot temperatures.
Sudden changes in outside
temperature.
The vehicle is parked.
The vehicle is driven at low speeds.
Changing the Temperature Unit of the
Outside Temperature Display
The outside temperature unit can be
switched between Celsius and Fahrenheit.
Settings can be changed by operating the
center display screen.
Refer to the Settings section in the Mazda
Connect Owner's Manual.
NOTE
When the temperature unit indicated in the
outside temperature display is changed,
the temperature unit indicated in the
engine coolant gauge display changes in
conjunction with it.
When Driving
Instrument Cluster and Display
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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*17-27
ABS Warning Indication/Warning Light*1
Electronic Brake
Force Distribu‐ tion SystemWa r n i n g 7-28
ABS warning 7-30
Charging System Warning Indication/Warning Light*17-28
Engine Oil Warning Indication/Warning Light*17-28
High Engine Coolant Temperature Warning Indication 7-29
Power Steering Malfunction Indication/Indicator Light*17-29
Master Warning Indication 7-30
Brake Control System Warning Indication/Warning Light*17-30
Brake Override Warning Indication 7-31
Check Engine Indication/Light*17-31
*Automatic Transmission Warning Indication/Warning Light*17-31
*AWD Warning Indication/Warning Light*17-31
Air Bag/Front Seat Belt Pretensioner System Warning Indication/ Wa r n i n g
Light*17-32
When Driving
Instrument Cluster and Display
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SignalWarning Refer to
Tire Pressure Monitoring System (TPMS) Warning Indication/Warning
Light*1
Flashing 7-33
Turns on 7-36
(Red) KEY Warning Indication/Warning Light
*17-33
(Amber)
*High Beam Control System (HBC) W
arning Indication/Warning Light*17-34
i-ACTIVSENSE Warning Indication/Warning Light*17-34
Exterior Light Warning Indication/Warning Light*17-34
Low Fuel Warning Indication/Warning Light 7-34
Check Fuel Cap Warning Indication/Warning Light*17-35
Engine Oil Level Warning Indication/Warning Light*17-35
Seat Belt Warning Indication/Warning Light (Front seat) 7-35
(Red)Seat Belt Warning Light (Rear seat) 7-36
*Low Washer Fluid Level Warning Indication/Warning Light
7-36
Door-Ajar Warning Indication
7-36
*Trunk lid-Ajar Warning Indication7-36
*Liftgate-Ajar Warning Indication7-36
When Driving
Instrument Cluster and Display
4-24*Some models.
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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 t he 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
3-41
(Green)KEY Indicator Light 4-5
Wrench Indication/Indicator Light*14-28
*Shift Position Indication
4-36
Lights-On Indicator Light
4-44
Headlight High-Beam Indicator LightHeadlight
High-Low Beam 4-47
Flashing the Headlights 4-47
When Driving
Instrument Cluster and Display
*Some models.4-25
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