2019 MAZDA MODEL CX-30 Owners Manual (in English)

Opening the engine cover
1. Turn the engine cover knob to
unlock.
2. Lift up the engine cover.
3. Pinch the strap and remove it from
the holder.
4. Hook the strap onto the bonnet
hook to secure the cover.
Closing the engine cover
1. Unhook the strap from the bonnet
hook.
2. Pinch the strap and press it in until
a click sound is heard, and store.
Maintenance and Care
Owner Maintenance
6-21

3. Close the engine cover, turn the
knob, and then lock the cover.4. Make sure that the engine cover is
securely closed.
Maintenance and Care
Owner Maintenance
6-22

SKYACTIV-D 1.8
1. Engine oil-filler cap
2. Engine oil dipstick
3. Brake/Clutch fluid reservoir
4. Battery
5. Fuse block
6. Cooling system cap
7. Engine coolant reservoir
8. Windscreen washer fluid reservoir
Maintenance and Care
Owner Maintenance
6-23

Engine Oil
▼Engine Oil
NOTE
Changing the engine oil should be done by an expert repairer (we recommend an
Authorised Mazda Repairer).
▼Recommended Oil
In order to keep the maintenance interval (page 6-3) and to protect the engine from
damage caused by poor lubrication, it is vitally important to make use of engine oil
with the correct specification. Do not use oils which do not meet the following
specifications or requirements. Use of unsuitable oil may lead to engine damage
which is not covered by the Mazda Warranty.

Mazda Original Oil Ultra 5W-30 Mazda Original Oil Supra-X 0W-20
Temperature Range SAE Viscosity Numbers
Alternative Oil QualityRecommended oils
–30 –20 –10 0
1020 30
40
–200
2040
60
80100
30
40
80100
–40
–40
Grade
*1 Use API SM or higher in Kazakhstan.
SKYACTIV-G 2.0 and SKYACTIV-G 2.5
API SN or higher, or ACEA A5/B5
(Except Europe and Taiwan) (Europe and Taiwan)
GradeTemperature Range SAE Viscosity Numbers
API SL
or higher, or ILSAC GF-III or higher
–30 –20 –10 0
1020
–200
2040
60
–40
–40
5W-30 0W-20
*1
Maintenance and Care
Owner Maintenance
6-24

Temperature Range SAE Viscosity Numbers
API SN or higher Mazda Original Oil Supra-X 0W-20
Alternative Oil QualityRecommended oils
–30 –20 –10 0
1020 30
40
–200
2040
60
80100
–40
–40
Grade
SKYACTIV-X 2.0
0W-20
(Europe and Taiwan)
Temperature Range SAE Viscosity Numbers
API SN or higher
–30 –20 –10 0
1020 30
40
–200
2040
60
80100
–40
–40
Grade
(Except Europe and Taiwan)
(Except Europe)
GradeTemperature Range SAE Viscosity Numbers
ACEA C3
–30 –20 –10 0
1020 30
40
–200
2040
60
80100
–40
–40
SKYACTIV-D 1.8
Mazda Original Oil Ultra DPF 5W-30 Mazda Original Oil Supra DPF 0W-30Recommended oils
Alternative Oil Quality
(Europe)
GradeTemperature Range SAE Viscosity Numbers
ACEA C3
–30 –20 –10 0
1020 30
40
–200
2040
60
80100
–40
–40
(Except Europe)
Maintenance and Care
Owner Maintenance
6-25

Engine oil viscosity, or thickness, has an effect on fuel economy and cold-weather
operation (starting and oil flow).
Low-viscosity engine oils can provide improved fuel economy and cold-weather
performance.

When choosing an oil, consider the temperature range your vehicle will operate in
before the next oil change.
Then select the recommended viscosity from the chart.
CAUTION
¾Using oils of viscosity besides those recommended for
specific temperature ranges
could result in engine damage.
¾(SKYACTIV-D 1.8)
SKYACTIV-D 1.8 uses specified oil. Please confirm the specification in owner's
manual. If engine oil other than the specified oil is used, the Diesel Particulate
Filter effective period of use will be shortened or the Diesel Particulate Filter may
be damaged.
NOTE
(SKYACTIV-G 2.0,
SKYACTIV-G 2.5, and
SKYACTIV-X 2.0)
xIt is normal for all engines to consume engine oil under normal driving conditions.
Engine oil consumption may be as high as 0.8 L/1,000 km (1 L/800 miles). This
may be as a result of evaporation, internal ventilation or burning of the lubricating
oil in the working engine. Oil consumption may be higher when the engine is new
due to the running-in process. Oil consumption is also dependant on engine
speed and engine load. Under extreme driving conditions, oil consumption may
be higher.
(SKYACTIV-D 1.8)
xInspect the engine oil level periodically. When inspecting the engine oil, if the
engine oil level exceeds the “X” mark on the dipstick, replace the engine oil.
When replacing the engine oil, inspect the oil level using the oil dipstick and refill
so that the engine oil level is within the range between MIN and MAX as shown in
the figure.
1. MIN
2. MAX
3. X Mark
Maintenance and Care
Owner Maintenance
6-26

xWhenever the engine oil is replaced, the vehicles engine control unit needs to be
reset as soon as possible. Otherwise the wrench indicator light or engine oil
warning light may turn on. To reset the engine control unit, consult an expert
repairer (we recommend an Authorised Mazda Repairer) or refer to the vehicle
status monitor section in the Mazda Connect Owner's Manual.
▼Inspecting Engine Oil Level
NOTE
xIf the engine oil level warning
indication/warning light turns on,
add 1 L (0.3 US gal, 0.2 Imp gal) of
engine oil.
x(SKYACTIV-D 1.8)
If “Excessive Oil Level. Have the
Vehicle Inspected” is displayed on
the multi-information display in the
instrument cluster, have your vehicle
inspected at an expert repairer (we
recommend an Authorised Mazda
Repairer).
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
sump.
4.(SKYACTIV-X 2.0)
Open the engine cover (page
6-19).
5. Pull out the dipstick, wipe it clean,
and reinsert it fully.
SKYACTIV-G 2.0 and SKYACTIV-G
2.5

1. MAX
2. OK
3. MIN

SKYACTIV-X 2.0

1. MAX
2. OK
Maintenance and Care
Owner Maintenance
6-27

3. MIN

SKYACTIV-D 1.8

1. X Mark
2. MAX
3. OK
4. MIN

NOTE
(SKYACTIV-D 1.8)
When inspecting the engine oil
level, pull out the dipstick straight
without twisting. In addition, when
inserting the dipstick, always insert
it without twisting so that the “X”
mark faces the front of the vehicle.
6. 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.
7. Make sure the O-ring on the
dipstick is positioned properly
before reinserting the dipstick.
8. 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.
Maintenance and Care
Owner Maintenance
6-28