2020 Hyundai Tucson engine oil

F9
Introduction
Use of MTBE
HYUNDAI recommends avoiding
fuels containing MTBE (Methyl
Tertiary Butyl Ether) over 15.0% vol.
(Oxygen Content 2.7% weight) in
your vehicle.
Fuel containing MTBE over 15.0%
vol. (Oxygen Content 2.7% weight)
may reduce vehicle performance and
produce vapour lock or hard starting.
Do not use methanol
Fuels containing methanol (wood
alcohol) should not be used in your
vehicle. This type of fuel can reduce
vehicle performance and damage
components of the fuel system,
engine control system and emission
control system.
Fuel Additives
We recommend to use unleaded
petrol which has an Octane Rating of
RON (Research Octane Number) 91
or higher.
For customers who do not use good
quality petrols including fuel addi-
tives regularly, and have problems
starting or the engine does not run
smoothly, adding one bottle of addi-
tives to the fuel tank is recommend-
ed according to the maintenance
schedule (refer to chapter 7, “Normal
Maintenance Schedule”).
Additives are available from your
authorised HYUNDAI dealer along
with information on how to use them.
Do not mix other additives.
Diesel engine
Diesel fuel
Diesel engines must be operated
only on commercially available diesel
fuel that complies with EN 590 or
comparable standard (EN stands for
"European Norm"). Do not use
marine diesel fuel, heating oils, or
non-approved fuel additives, as this
will increase wear and cause dam-
age to the engine and fuel system.
The use of non-approved fuels and /
or fuel additives will result in a limita-
tion of your warranty rights.
Diesel fuel of above cetane 51 is
used in your vehicle. If two types of
diesel fuel are available, use summer
or winter fuel properly according to
the following temperature conditions.
Above -5°C (23°F) ... Summer type
diesel fuel.
Below -5°C (23°F) ... Winter type
diesel fuel.
Watch the fuel level in the tank very
carefully : If the engine stops through
fuel failure, the circuits must be com-
pletely purged to permit restarting. Your New Vehicle Limited
Warranty may not cover dam-
age to the fuel system and any
performance problems that are
caused by the use of fuels con-
taining methanol or fuels con-
taining MTBE (Methyl Tertiary
Butyl Ether) over 15.0% vol.
(Oxygen Content 2.7% weight.)
CAUTION

F10
Introduction
Biodiesel
Commercially supplied Diesel blends
of no more than 7% biodiesel, com-
monly known as "B7 Diesel" may be
used in your vehicle if Biodiesel
meets EN 14214 or equivalent spec-
ifications (EN stands for "European
Norm"). The use of biofuels exceed-
ing 7% made from rapeseed methyl
ester (RME), fatty acid methyl ester
(FAME), vegetable oil methyl ester
(VME) etc. or mixing diesel exceed-
ing 7% with biodiesel will cause
increased wear or damage to the
engine and fuel system. Repair or
replacement of worn or damaged
components due to the use of non
approved fuels will not be covered by
the manufacturer’s warranty. Do not let any petrol or water
enter the tank. This would make
it necessary to drain it out and
to bleed the lines to avoid jam-
ming the injection pump and
damaging the engine.CAUTION
Diesel Fuel
It is recommended to use the
regulated automotive diesel
fuel for diesel vehicles
equipped with the DPF system.
If you use diesel fuel including
high sulphur (more than 50 ppm
sulphur) and unspecified addi-
tives, it can cause the DPF sys-
tem to be damaged and white
smoke can be emitted.
CAUTION
Never use any fuel, whether
diesel, B7 biodiesel or other-
wise, that fails to meet the lat-
est petroleum industry speci-
fication.
Never use any fuel additives
or treatments that are not rec-
ommended or approved by
the vehicle manufacturer.
CAUTION

F11
Introduction
Biodiesel (for New Zealand)
Commercially supplied Diesel blends
of no more than 7% biodiesel, com-
monly known as "B7 Diesel" may be
used in your vehicle if the Biodiesel
meets EN 14214 or equivalent spec-
ifications. (EN stands for "European
Norm"). The use of biofuels exceed-
ing 7%, made from rapeseed methyl
ester (RME), vegetable oil methyl
ester (VME) etc. or mixing diesel
exceeding 7% with biodiesel will
cause increased wear or damage to
the engine and fuel system.
Repair or replacement of worn or
damaged components due to the
use of non approved fuels will not be
covered by the manufactures war-
ranty.No special run-in period is needed.
By following a few simple precau-
tions for the first 1,000 km you may
add to the performance, economy
and life of your vehicle.
Do not race the engine.
Whilst driving, keep your engine
speed (rpm, or revolutions per
minute) between 2,000 rpm and
4,000 rpm.
Do not maintain a single speed for
long periods of time, either fast or
slow. Varying engine speed is
needed to properly run-in the
engine.
Avoid hard stops, except in emer-
gencies, to allow the brakes to seat
properly.
Don't tow a trailer during the first
2,000 km of operation. Never use any fuel, whether
diesel, B7 biodiesel or other-
wise, that fails to meet the lat-
est petroleum industry speci-
fication.
Never use any fuel additives
or treatments that are not rec-
ommended or approved by
the vehicle manufacturer.CAUTION
V VE
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1-6
Your vehicle at a glance
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1. Engine coolant reservoir/
Radiator cap .....................................7-35
2. Brake/clutch fluid reservoir ...............7-39
3. Air cleaner.........................................7-43
4. Engine oil dipstick .............................7-31
5. Engine oil filler cap ...........................7-32
6. Windscreen washer fluid reservoir ...7-40
7. Fuse box ...........................................7-67
8. Battery ..............................................7-49
OTLE075002RThe actual engine compartment in the vehicle may differ from the illustration.
■ ■Petrol Engine (Gamma 1.6 T-GDI)

1-7
Your vehicle at a glance
1
1. Engine coolant reservoir/
Radiator cap .....................................7-35
2. Brake/clutch fluid reservoir ...............7-39
3. Air cleaner.........................................7-43
4. Engine oil dipstick .............................7-31
5. Engine oil filler cap ...........................7-32
6. Windscreen washer fluid reservoir ...7-40
7. Fuse box ...........................................7-67
8. Battery ..............................................7-49
OTL077001R/OTL075103R
■ ■Petrol Engine (Nu 2.0 GDI)

1. Engine coolant reservoir/
Radiator cap .....................................7-35
2. Brake/clutch fluid reservoir ...............7-39
3. Air cleaner ........................................7-43
4. Engine oil dipstick ............................7-32
5. Engine oil filler cap ...........................7-33
6. Windscreen washer fluid reservoir ...7-40
7. Fuse box ...........................................7-67
8. Battery ..............................................7-49
9. Fuel filter ...........................................7-42
OTLE078001R
The actual engine compartment in the vehicle may differ from the illustration.
■ ■Diesel Engine (R 2.0 TCI)
Your vehicle at a glance
1-8

3-85
Convenient features of your vehicle
3
Low engine oil (if equipped)
This warning message is displayed
when the engine oil level should be
checked.
If this warning message is displayed,
check the engine oil level as soon as
possible and add engine oil as
required.
Slowly pour the recommended oil lit-
tle by little into a funnel. (Oil refill
capacity : approximately 0.6 ~ 1.0
l)
Use only the specified engine oil.
(Refer to "Recommended lubricants
and capacities" in chapter 8.)
Do not overfill the engine oil. Make
sure the oil level is not above F (Full)
mark on the dipstick.
Information
If you travel approximately 50 km
~100 km after the engine warms up,
after adding the engine oil, the warn-
ing message will disappear.If the message is displayed con-
tinuously after adding the engine
oil and travelling approximately
50~100 km after the engine warms
up, we recommend that the sys-
tem be checked by an authorised
HYUNDAI dealer.
Even if this message is not dis-
played after the engine has start-
ed, the engine oil level should be
periodically checked and topped
up if required.
Check HBA (High Beam Assist)
system (if equipped)
This warning message is displayed if
there is a problem with the High
Beam Assist (HBA) System. We rec-
ommend that you have the vehicle
inspected by an authorised
HYUNDAI dealer.
For more details, refer to "High
Beam Assist (HBA) System" in
chapter 3.
Check FCA (Forward Collision
Avoidance Asst.) (if equipped)
This warning message is displayed if
there is a malfunction with the
Forward Collision-Avoidance Assist
(FCA) system. We recommend that
you have the vehicle inspected by an
authorised HYUNDAI dealer.
For more details, refer to "Forward
Collision-Avoidance Assist (FCA)
system" in chapter 5.
NOTICE
i

3-96
Convenient features of your vehicle
Charging System
Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It remains on until the engine is
started.
When there is a malfunction with
either the alternator or electrical
charging system.
If there is a malfunction with either
the alternator or electrical charging
system:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the
alternator drive belt for looseness
or breakage.
If the belt is adjusted properly,
there may be a problem in the
electrical charging system.
In this case, we recommend that
you have the vehicle inspected by
an authorised HYUNDAI dealer as
soon as possible.
Engine Oil Pressure
Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It remains on until the engine is
started.
When the engine oil pressure is
low.
If the engine oil pressure is low:
1. Drive carefully to the nearest safe
location and stop your vehicle.
2. Turn the engine off and check the
engine oil level (For more details,
refer to “Engine Oil” in chapter
7). If the level is low, add oil as
required.
If the warning light remains on
after adding oil or if oil is not avail-
able, we recommend that you
have the vehicle inspected by an
authorised HYUNDAI dealer as
soon as possible.