engine MAZDA MODEL 3 5-DOOR 2016 Owners Manual

6–30
Maintenance and Care
Owner Maintenance
Inspecting Engine Oil Level
1. Be sure the vehicle is on a level
surface.
2. Warm up the engine to normal
operating temperature.
3. Turn it off and wait at least 5 minutes
for the oil to return to the oil pan.
4. Pull out the dipstick, wipe it clean, and
reinsert it fully.

MAXOK
MIN
5. Pull it out again and examine the level.
The level is normal if it is between the
MIN and MAX marks.
If it is near or below MIN, add enough
oil to bring the level to MAX.
CAUTION
Do not overfill the engine oil. This may
cause engine damage.
6. Make sure the O-ring on the dipstick is
positioned properly before reinserting
the dipstick.
7. Reinsert the dipstick fully .
Engine Coolant
Inspecting Coolant Level
WARNING
Do not use a match or live flame in the
engine compartment. DO NOT ADD
COOLANT WHEN THE ENGINE IS HOT:
A hot engine is dangerous. If the
engine has been running, parts of the
engine compartment can become very
hot. You could be burned. Carefully
inspect the engine coolant in the
coolant reservoir, but do not open it.
Pull over to a safe location, then
switch the ignition off and make sure
the fan is not running before attempting
to work near the cooling fan:Working near the cooling fan when it
is running is dangerous. The fan could
continue running indefinitely even if
the engine has stopped and the engine
compartment temperature is high. You
could be hit by the fan and seriously
injured.
Do not remove either cooling
system cap when the engine and
radiator are hot:When the engine and radiator are hot,
scalding coolant and steam may shoot
out under pressure and cause serious
injury.
NOTE
Changing the coolant should be done by
an Authorized Mazda Dealer.
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6–31
Maintenance and Care
Owner Maintenance
Inspect the antifreeze protection and
coolant level in the coolant reservoir at
least once a year—at the beginning of the
winter season—and before traveling where
temperatures may drop below freezing.
Inspect the condition and connections of
all cooling system and heater hoses.
Replace any that are swollen or
deteriorated.
The coolant should be at full in the
radiator and between the F and L marks
on the coolant reservoir when the engine
is cool.
If it is at or near L, add enough coolant to
the coolant reservoir to provide freezing
and corrosion protection and to bring the
level to F.
Securely tighten the coolant reservoir tank
cap after adding coolant.
CAUTION
 Radiator coolant will damage paint.
Rinse it off quickly if spilled.
 Use only soft (demineralized) water in
the coolant mixture. Water that contains
minerals will cut down on the coolant's
effectiveness.
 Do not add only water. Always add a
proper coolant mixture. The engine has aluminum parts and
must be protected by an ethylene-glycol-
based coolant to prevent corrosion and
freezing.
 DO NOT USE coolants Containing
Alcohol, methanol, Borate or Silicate.
These coolants could damage the
cooling system. DO NOT MIX alcohol or methanol with
the coolant. This could damage the
cooling system.
 Do not use a solution that contains more
than 60% antifreeze.
This would reduce effectiveness.
 If the “FL22” mark is shown on or near
the cooling system cap, use of FL-22 is
recommended when replacing engine
coolant. Using engine coolant other
than FL-22 may cause serious damage to
the engine and cooling system.
If the coolant reservoir is empty or new
coolant is required frequently, consult an
Authorized Mazda Dealer.
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6–33
Maintenance and Care
Owner Maintenance
Inspect fluid level in the washer fluid
reservoir; add fluid if necessary.
L
Use plain water if washer fluid is
unavailable.
But use only washer fluid in cold weather
to prevent it from freezing.
NOTE
Front and rear washer fluid is supplied
from the same reservoir.
Body Lubrication
All moving points of the body, such as
door and hood hinges and locks, should
be lubricated each time the engine oil is
changed. Use a nonfreezing lubricant on
locks during cold weather.
Make sure the hood's secondary latch
keeps the hood from opening when the
primary latch is released.
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6–41
Maintenance and Care
Owner Maintenance
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.
 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 below.
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.
Cove r
3. Insert the tape-wrapped flathead
screwdriver 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
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6–48
Maintenance and Care
Owner Maintenance
WARNING
Do not replace the xenon fusion bulbs
yourself:Replacing the xenon fusion bulbs
yourself is dangerous. Because the
xenon fusion bulbs require high
voltage, you could receive an electric
shock if the bulbs are handled
incorrectly. Consult an Authorized
Mazda Dealer when the replacement is
necessary.
Never touch the glass portion of a
halogen bulb with your bare hands
and always wear eye protection when
handling or working around the bulbs: When a halogen bulb breaks, it is
dangerous. These bulbs contain
pressurized gas. If one is broken, it will
explode and serious injuries could be
caused by the flying glass.
If the glass portion is touched with
bare hands, body oil could cause the
bulb to overheat and explode when lit.
Always keep halogen bulbs out of the
reach of children: Playing with a halogen bulb is
dangerous. Serious injuries could be
caused by dropping a halogen bulb or
breaking it some other way.
CAUTION
When removing the lens or lamp unit
using a flathead screwdriver, make
sure that the flathead screwdriver does
not contact the interior terminal. If
the flathead screwdriver contacts the
terminal, a short circuit may occur.
NOTE
 To replace the bulb, contact an
Authorized Mazda Dealer. If the halogen bulb is accidentally
touched, it should be cleaned with
rubbing alcohol before being used.
 Use the protective cover and carton for
the replacement bulb to dispose of the
old bulb promptly and out of the reach
of children.
Replacing Exterior Light Bulbs
Headlights (With xenon fusion
headlights)
Low/High beam bulbs
You cannot replace the low/high beam
bulbs by yourself. The bulbs must be
replaced at an Authorized Mazda Dealer.
Headlights (With halogen headlights)
Low-beam bulbs
1. If you are changing the right bulb, start
the engine, turn the steering wheel all
the way to the left, and turn off engine.
If you are changing the left bulb, turn
the steering wheel to the right, and turn
off engine.
2. Make sure the headlight switch is of f.
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6–50
Maintenance and Care
Owner Maintenance
High-beam bulbs/Daytime running
lights
1. Make sure the ignition is switched off,
and the headlight switch is off.
2. Lift the hood.
3. Disconnect the connector from the unit
by pressing the tab on the connector
with your finger and pulling the
connector downward.

4. Turn the socket and bulb assembly
to remove it. Carefully remove the
bulb from its socket in the reflector by
gently pulling it straight backward out
of the socket.

5. Install the new bulb in the reverse order
of the removal procedure.
Daytime running lights/Parking lights
(With xenon fusion headlights)
The LED bulb cannot be replaced as a
single unit because it is an integrated unit.
The LED bulb has to be replaced with the
unit. We recommend an Authorized Mazda
Dealer when the replacement is necessary.
Front turn signal lights, Parking lights/
Front side-marker lights (With halogen
headlights), Front side-marker lights
(With xenon fusion headlights)
1. If you are changing the right bulb, start
the engine, turn the steering wheel all
the way to the left, and turn off engine.
If you are changing the left bulb, turn
the steering wheel to the right, and turn
off engine.
2. Make sure the headlight switch is off.
3. Pull the center of each plastic retainer
and remove the retainers.

Removal
Installation
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6–52
Maintenance and Care
Owner Maintenance
*Some models.
Fog lights*
1. If you are changing the right bulb, start
the engine, turn the steering wheel all
the way to the left, and turn off engine.
If you are changing the left bulb, turn
the steering wheel to the right, and turn
off engine.
2. Make sure the fog light switch is off.
3. Pull the center of each plastic retainer
and remove the retainers.

Removal
Installation
4. Turn the screw counterclockwise and
remove it, and then partially peel back
the mudguard.

5. Disconnect the connector from the unit
by pressing the tab on the connector
with your finger and pulling the
connector downward.

6. Turn the socket and bulb assembly
to remove it. Carefully remove the
bulb from its socket in the reflector by
gently pulling it straight backward out
of the socket.

7. Install the new bulb in the reverse order
of the removal procedure.
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6–63
Maintenance and Care
Owner Maintenance
Fuses
Your vehicle's electrical system is
protected by fuses.
If any lights, accessories, or controls do
not work, inspect the appropriate circuit
protector. If a fuse has blown, the inside
element will be melted.
If the same fuse blows again, avoid using
that system and consult an Authorized
Mazda Dealer as soon as possible.
Fuse Replacement
Replacing the fuses on the vehicle's left
side
If the electrical system does not work, first
inspect the fuses on the vehicle's left side.
1. Make sure the ignition is switched off,
and other switches are off.
2. Open the fuse panel cover.
3. Pull the fuse straight out with the
fuse puller provided on the fuse block
located in the engine compartment.
4. Inspect the fuse and replace it if it is
blown.
NormalBlown
5. Insert a new fuse of the same amperage
rating, and make sure it fits tightly. If
it does not fit tightly, have an expert
install it. We recommend an Authorized
Mazda Dealer.
If you have no spare fuses, borrow one
of the same rating from a circuit not
essential to vehicle operation, such as
the AUDIO or OUTLET circuit.
CAUTION
Always replace a fuse with a genuine
Mazda fuse or equivalent of the same
rating. Otherwise you may damage
the electric system.
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6–65
Maintenance and Care
Owner Maintenance
*Some models.
Fuse Panel Description
Fuse block (Engine compartment)
Multiplex slow blow fuse
DESCRIPTIONFUSE
RATING PROTECTED COMPONENT
1 FOG 15 AFog lights
*
2 H/L HI 20 AHeadlight high beam*2
3 H/CLEAN 20 A —
4 STOP 10 ABrake lights
5 ROOM 15 AOverhead light
6
7.5 AEngine control system
7 FUEL WARM 15 A —
8 HAZARD 25 AHazard warning flashers, Turn signal lights
9 ABS/DSCS 30 AABS, Dynamic stability control system
10 METER2 7.5 A —
11 AUDIO2 7.5 AAudio system
12 BOSE 25 ABose
® Sound System-equipped model*
13 AUDIO1 15 AAudio system
14 FUEL PUMP 15 AFuel system
15 HID R
DRL 15 A
Headlight (RH)
*1, Daytime running lights*
16 AT PUMP 15 A —
17 HORN 15 AHorn
18 TAIL 15 ATaillights, License plate lights, Parking lights, Front side-marker
lights
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6–66
Maintenance and Care
Owner Maintenance
*Some models.
DESCRIPTIONFUSE
RATING PROTECTED COMPONENT
19 CNG 15 A —
20 AT 15 ATransaxle control system
21 R.WIPER 15 ARear window wiper
*
22 A/C 7.5 AAir conditioner
23 ENGINE3 15 AEngine control system
24 ENGINE2 15 AEngine control system
25 ENGINE1 15 AEngine control system
26 GLOW SIG 5 A —
27 EVVT 20 AEngine control system
28 WIPER 20 AFront window wiper and washer
29 DCDC REG 30 A —
30 FUEL PUMP2 30 A —
31 ADD FAN DE 40 A —
32 P.WINDOW1 30 APower windows
33 H/L LOW R 15 AHeadlight low beam (RH)
*2
34 H/L LOW L
HID L 15 A
Headlight (LH)*1, Headlight low beam (LH)*2
35 METER1 10 AInstrument cluster
36 IG2 30 AFor protection of various circuits
37 LPG 30 A —
38 FAN DE 40 A —
39 DCDC DE 40 A —
40 SRS1 7.5 AAir bag
41 ENGINE. IG1 15 AEngine control system
42 C/U IG1 15 AFor protection of various circuits
43 — — —
*1 With xenon fusion headlights*2 With halogen headlights
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