key battery MAZDA MODEL MX-5 MIATA 2018 User Guide

After starting a cold engine, the engine
speed increases and a whining sound
from the engine compartment can be
heard.
This is for improved exhaust gas
purification and does not indicate any
parts defect.
Engine-starting is controlled by the
spark ignition system.
This system meets all Canadian
Interference-Causing Equipment
Standard requirements regulating the
impulse electrical field strength of radio
noise.
1. Make sure you are carrying the key.
2. Occupants should fasten their seat belts.
3. Make sure the parking brake is on.
4. Continue to press the brake pedal firmly until the engine has completely
started.
5. (Manual transmission)
Continue to press 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).
NOTE
(Manual transmission)
The starter will not operate if the
clutch pedal is not depressed
sufficiently.
(Automatic transmission)
The starter will not operate if the
selector lever is not in P or N and the
brake pedal is not depressed
sufficiently.
6. Verify that the KEY indicator light
(green) in the instr ument cluster and
the push button start indicator light
(green) illuminate.

Indicator light
Push button start
KEY indicator light
(green)/ KEY
warning light (red)
NOTE
If the push button start indicator
light (green) flashes, make sure that
the key is being carried.
If the push button start indicator
light (green) flashes with the key
being carried, touch the key to the
push button start and start the
engine. Refer to Engine Start
Function When Key Battery is Dead
on page 4-8.
When Driving
Start/Stop Engine
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CAUTION
If the KEY warning light (red)
illuminates, or the push button start
indicator light (amber) flashes, this
could indicate a problem with the
engine starting system. This may
prevent the engine from starting or
from switching the ignition to ACC or
ON. Have your vehicle inspected at an
Authorized Mazda Dealer as soon as
possible.
NOTE
Under the following conditions, the
KEY warning light (red) flashes after
the push button start is pressed. This
informs the driver that the push
button start will not switch to ACC
even if it is pressed from off.
The key battery is dead.
The key is out of operational
range.
The key is placed in areas where it
is difficult for the system to detect
the signal (page 3-7).
A key from another manufacturer
similar to the key is in the
operational range.
(Forced engine starting method)
If the KEY warning light (red)
illuminates, 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.
When the engine is force-started, the
KEY warning light (red) remains
illuminated and the push button start
indicator light (amber) remains
flashing.
(Automatic transmission)
When the selector lever is in the
neutral (N) position, the KEY
indicator light (green) and the push
button start indicator light (green)
do not illuminate.
7. Press the push button start after both the KEY indicator light (green) in the
instrument cluster and the push button
start indicator light (green) illuminate.
NOTE
After starting the engine, the push
button start indicator light (amber)
turns off and the ignition switches to
the ON position.
When Driving
Start/Stop Engine
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After pressing the push button start
and before the engine starts, the
operation sound of the fuel pump
motor from near the fuel tank can be
heard, however, this does not
indicate a malfunction.
8. After starting the engine, let it idle for about ten seconds.
NOTE
Whether the engine is cold or warm,
it should be started without the use
of the accelerator.
If the engine does not start the first
time, refer to Starting a Flooded
Engine under Emergency Starting. If
the engine still does not start, have
your vehicle inspected by an
Authorized Mazda Dealer (page 7-
26).
▼Engine Start Fun
ction When Key
Battery is Dead
CAUTION
When starting the engine by holding the
transmitter over the push button start due
to a dead key battery or a malfunctioning
key, be careful not to allow the following,
otherwise the signal from the key will not
be received correctly and the engine may
not start.
 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 th e engine has completely
started.
2. (Manual transmission)
Continue to depress the clutch pedal
firmly until th e engine has completely
started.
3. Verify that the push button start indication light (green) flashes.
4. Touch the push button start using the
backside of the key (as shown) while
the push button start indicator light
(green) flashes.

Transmitter
When Driving
Start/Stop Engine
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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.
When the push button start is pressed
from ON to ACC or OFF, the KEY
indicator light (green) may flash for
approximately 30 seconds indicating
that the remaining battery power of the
key is low.
Replace with a new battery before the
key becomes unusable.
Refer to Key Battery Replacement on
page 6-33.
(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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6Maintenance and Care
How to keep your Mazda in top condition.
Essential Information........................6-2 Introduction.................................. 6-2
Scheduled Maintenance.................... 6-4 Scheduled Maintenance (U.S.A.,
Canada, and Puerto Rico)............. 6-4
Scheduled Maintenance
(Mexico)..................................... 6-10
Maintenance Monitor................. 6-15
Owner Maintenance........................ 6-17 Owner Maintenance
Precautions................................. 6-17
Hood........................................... 6-19
Engine Compartment
Overview.................................... 6-21
Engine Oil...................................6-22
Engine Coolant........................... 6-24
Brake/Clutch Fluid ..................... 6-26
Washer Fluid............................... 6-26
Body Lubrication...... .................. 6-27
Wiper Blades.............................. 6-28
Battery........................................ 6-31
Key Battery Replacement........... 6-33
Tires............................................ 6-36
Light Bulbs................................. 6-40
Fuses........................................... 6-49
Appearance Care............................. 6-54
Exterior Care.............................. 6-54
Interior Care................................6-64
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▼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 six
weeks.
▼ Battery Replacement
Contact an Authorized Mazda Dealer for a
battery replacement purchase.
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 b
attery 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
(CR2025 or equivalent).
Maintenance and Care
Owner Maintenance
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The following conditions indicate that the
battery power is low:
The KEY indicator light (green) flashes
in the instrument cluster for about 30
seconds after the engine is turned off
(for vehicles with a type A instrument
cluster (page 4-26), messages are
displayed in the instrument cluster).
The system does not operate and the
operation indicator light on the
transmitter does not flash when the
buttons are pressed.
The system's operational range is
reduced.
Replacing the battery at an Authorized
Mazda Dealer is recommended to prevent
damage to the key. If replacing the battery
by yourself, follow the instruction.
Replacing the key battery
1. Press the knob and pull out the auxiliary key.
Knob
2. Twist a tape-wrapped flathead
screwdriver in the direction of the
arrow and open the cover slightly.
Cover
3. Insert the tape-wrapped flatheadscrewdriver into the gap and slide it in
the direction of the arrow.
Cover
Gap
4. Twist the flathead screwdriver in the
direction of the arrow and remove the
cover.
Cover
Maintenance and Care
Owner Maintenance
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5. Remove the battery cap, then removethe battery.
CAUTION
Be careful not to allow the rubber
ring shown in the figure to be
scratched or damaged.
 If the rubber ring detaches, reattach
it before inserting a new battery.
Rubber ring
6. Insert a new battery with the positive
pole facing up, and then cover the
battery with the battery cap.
7. Close the cover.
8. Reinsert the auxiliary key.
Maintenance and Care
Owner Maintenance
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KEY Indication (White)/KEY Warning Light (Red)
Take the appropriate action and verify that the warning light t urns off.
SignalCause Action to be taken
(White)
KEY Indication*
The advanced key battery is dead . Replace the key battery (page 6-33).
(Red)
(Flashing)
KEY Warning Light
*
(Red)
(Flashing)
KEY Warning Light
*
The advanced key is not within the opera-
tion range. Bring the advanced key into the operation
range (page 3-7).
The advanced key is
placed in areas inside
the cabin where it is d ifficult for the key to
be detected.
A key from another manufacturer similar to
the advanced key is in the operation range. Take the key from another manufacturer
similar to the advanced
key out of the op-
eration range.
Without the ignition switched off, the ad-
vanced key is taken out of the cabin, and
then all the doors are closed. Bring the advanced key back into the cab-
in.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
*Some models.7-45
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NOTE
To allow the passenger occupant
classification sensor to function
properly, do not place and sit on an
additional seat cushion on the
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
passenger's seat, the warning beep may
not operate.
Mexico
If the vehicle speed exceeds about 20
km/h (12 mph) with the driver or
passenger's seat belt unfastened, a warning
beep sounds continuously. If the seat belt
remains unfastened, the beep sound stops
once and then continues for about 90
seconds. The beep stops after the driver or
passenger's seat belt is fastened.
Until a seat belt is fastened or a given
period of time has elapsed, the beep sound
will not stop even if the vehicle speed falls
below 20 km/h (12 mph).
NOTE
Placing heavy items on the passenger's
seat may cause the passenger's seat belt
warning function to operate depending
on the weight of the item.
To allow the passenger seat weight
sensor to function properly, do not place
and sit on an additional seat cushion on
the 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
passenger's seat, the warning beep may
not operate.
▼ Retractable Hardtop Warning Beep*
When operating the retractable hardtop
switch, the warning beep is activated when
the retractable hardtop operation begins
and when it is completed.
If there is a problem with the retractable
hardtop, the warning beep is activated
continuously while operating the switch. If
the warning beep is activated continuously
while operating the switch, have the
vehicle inspected at an Authorized Mazda
Dealer.
▼Ignition Not Switched Off (STOP)
Warning Beep
If the driver's door i
s opened with the
ignition switched to ACC, a beep will be
heard continuously in the cabin to notify
the driver that the ignition has not been
switched OFF (STOP). Under this
condition, the keyless entry system will
not operate, the vehicle cannot be locked,
and the battery volta ge will be depleted.
▼Key Removed from Vehicle Warning
Beep
Vehicles with advance
d keyless function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, the beep which
sounds outside of the vehicle will be heard
6 times, the beep which sounds inside the
vehicle will be heard 6 times, and the
KEY warning light (red) in the instrument
cluster flashes continuously to notify the
driver that the ig nition has not been
switched OFF.
If Trouble Arises
Warning/Indicator Lights and Warning Sounds
7-50*Some models.
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