2020 MAZDA MODEL CX-30 key

Metal parts of other keys or metal
objects touch the key.
Spare keys or keys for other vehicles
equipped with an immobilizer
system touch or come near the key.
Devices for electronic purchases, or
security passage touch or come near
the key.
If the engine cannot be started due to
a dead key battery, the engine can be
started using the following procedure:
1. Continue to depress the brake pedal firmly until the engine has
completely started.
2. (Manual transmission)
Continue to depress the clutch
pedal firmly until the engine has
completely started.
(Automatic transmission)
Put the vehicle in park (P). If you
must restart the engine while the
vehicle is moving, shift into neutral
(N).
3. Make sure that the push button start indication light (green) flashes.
4. Align the center area of the emblem on the transmitter with the
center area of the push button start
while the push button start
indicator light (green) flashes.

1. Indicator light
2. Push button start
3. Transmitter
4. Emblem

5. Make sure that the push button start indicator light (green) turns
on.
6. Press the push button start to start
the engine.
NOTE
The engine cannot be started
unless the clutch pedal is fully
depressed (manual transmission)
or the brake pedal is fully
depressed (automatic
transmission).
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.
When Driving
Start/Stop Engine
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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
ignition 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
possible. 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 transmission) or
the brake pedal (automatic
transmission) are required.
Turning the Engine Off
▼Turning the Engine
Off
WARNING
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 and 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 ignition 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.
When Driving
Start/Stop Engine
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Replace with a new battery before
the key becomes unusable.
Refer to Key Battery Replacement on
page 6-26.
A message is indicated in the display
of the instrument cluster.
Refer to KEY Warning Indication/
Warning Light (Red) on page 7-28.
(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 pressing it any number
of times while the engine is running or
the vehicle is being driven will turn the
engine off immediately. The ignition
switches to ACC.
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 deactivation
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
4-10*Some models.
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SignalWarning Refer to
Air Bag/Front Seat Belt Pretensioner System Warning Indication/
Warning Light*17-27
Tire Pressure Monitoring System (TPMS) Warning Indication/Warning
Light*1
Flashing
7-27
Tu r n s o n 7-31
(Red) KEY Warning Indication/Warning Light
*17-28
(Amber)
*High Beam Control System (HBC) Warning Indication/Warning
Light*17-28
i-ACTIVSENSE Warning Indication/Warning Light*17-28
Exterior Light Warning Indication/Warning Light*17-29
Low Fuel Warning Indication/Warning Light 7-29
Check Fuel Cap Warning Indication/Warning Light*17-29
Engine Oil Level Warning Indication/Warning Light*17-29
Seat Belt Warning Indication/Warning Light (Front seat) 7-30
(Red)Seat Belt Warning Light (Rear seat)
7-30
*Low Washer Fluid Level Warning Indication/Warning Light7-30
Door-Ajar Warning Indication
7-31
Liftgate-Ajar Warning Indication7-31
When Driving
Instrument Cluster and Display
4-22*Some models.
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SignalWarning Refer to
Door-Ajar Warning Light 7-31
*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 th
e user of the system operation status or a
system malfunction.
Signal Indicator Refer to
(Green)Seat Belt Indicator Light (Rear seat)
2-24
*Front Passenger Air Bag Deactivation Indicator Light2-64
Security Indicator Light
3-44
(Green)KEY Indicator Light
4-5
Wrench Indication/Indicator Light*14-26
*Shift Position Indication4-34
Lights-On Indicator Light
4-42
Headlight High-Beam Indicator LightHeadlight
High-Low
Beam4-45
Flashing the Headlights
4-45
When Driving
Instrument Cluster and Display
*Some models.4-23
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6Maintenance and Care
How to keep your Mazda in top condition.
Essential Information................. 6-2 Introduction.......................... 6-2
Scheduled Maintenance............ 6-4 Scheduled Maintenance......... 6-4
Owner Maintenance............... 6-11 Owner Maintenance
Precautions......................... 6-11
Hood.................................. 6-12
Engine Compartment
Overview............................ 6-14
Engine Oil........................... 6-15
Engine Coolant.................... 6-17
Brake/Clutch Fluid............... 6-18
Washer Fluid....................... 6-19
Body Lubrication.................. 6-20
Wiper Blades....................... 6-20
Battery................................ 6-25
Key Battery Replacement...... 6-26
Tires.................................... 6-28
Light Bulbs...........................6-32
Fuses.................................. 6-32
Appearance Care.................... 6-40Exterior Care....................... 6-40
Interior Care........................ 6-46
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NOTE
Before performing battery
maintenance, remove the battery
cover.

▼Battery Maintenance
To get the best service from a battery:
Keep it securely mounted.Keep the top clean and dry.Keep terminals and connections
clean, tight, and coated with
petroleum jelly or terminal grease.
Rinse off spilled electrolyte
immediately with a solution of water
and baking soda.
If the vehicle will
not be used for an
extended time, disconnect the
battery cables and charge the battery
every 6 weeks.
▼ Battery Replacement
Contact an Authorized Mazda Dealer
for a battery replacement purchase.
Key Battery Replacement
▼ Key Battery Replacement
If the buttons on the transmitter are
inoperable and the operation indicator
light does not
flash, the battery may be
dead.
Replace with a new battery before the
transmitter becomes unusable.
CAUTION
 Make sure the battery is installed
correctly. Battery leakage could occur
if it is not installed correctly.
 When replacing the battery, be
careful not to touch any of the
internal circuitry and electrical
terminals, bend the electrical
terminals, or get dirt in the
transmitter as the transmitter could
be damaged.
 There is the danger of explosion if
the battery is not correctly replaced.
 Dispose of used batteries according
to the following instructions.
 Insulate the plus and minus
terminals of the battery using
cellophane or equivalent tape.
 Never disassemble.
 Never throw the battery into fire or
water.
 Never deform or crush.
 Replace only with the same type
battery (CR2032 or equivalent).
The following conditions indicate that
the battery power is low:
A message, “Low Key Fob Battery.
Replace Battery” is displayed on the
multi-information display when the
ignition is switched OFF.
The system does not operate and the
operation indicator light on the
Maintenance and Care
Owner Maintenance
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transmitter does not flash when the
buttons are pressed.
The system's operational range is
reduced.
Incorrect battery replacement
operation may damage the key.
Replacing the battery at an Authorized
Mazda Dealer is recommended. If
replacing the battery by yourself,
follow the instruction.
Replacing the key battery
1. Remove the lower cover while pressing the knob in the direction
of the arrow.
2. Press in the tab to unlock the upper
cover.
3. Insert a tape-wrapped flatheadscrewdriver into the gap and slide it
in the direction of the arrow.
4. Twist the flathead screwdriver in the
direction of the arrow and remove
the upper cover.
5. Remove the cap using the tape-wrapped flathead screwdriver.
6. Remove the battery using
tape-wrapped flathead screwdriver.
Maintenance and Care
Owner Maintenance
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