fuel additives Hyundai Equus 2016 Owner's Manual

Your vehicle is designed to maximize
its driving performance as well as to
minimize exhaust emissions and
spark plug fouling, when being refu-
eled with UNLEADED FUEL.
Your vehicle is designed to use only
the unleaded fuel having a Pump
Octane number ((R+M)/2) of 87
(Research Octane Number 91) or
higher.
To further improve your vehicle per-
formance, premium unleaded fuel
having a Pump Octane number
((R+M)/2) of 91 (Research Octane
Number 96) or higher is recommend-
ed. (Do not use methanol blended
fuels.)Gasoline containing alcohol andmethanol
Gasohol, a mixture of gasoline and
ethanol (also known as grain alco-
hol), is on sale along with or instead
of leaded or unleaded gasoline.
Do not use gasohol, of which the
ethanol percentage is 10% or more.
Also, do not use gasoline or gasohol
containing any methanol. Either of
these fuels may cause drivability
problems, including hard starting,
rough running before the engine
warm-up, illumination of the
Malfunction Indicator Light and dam-
age to the fuel system, engine con-
trol system and emission control sys-
tem.
Stop using gasohol of any kind, if a
drivability problem occurs.
The manufacturer's warranty does
not cover vehicle damage or a dri-
vability problem, which is caused by
one of the followings:
1. Gasohol, of which the ethanol per-
centage is 10% or more
2. Gasoline or gasohol, containing methanol
3. Leaded fuel or leaded gasohol
F F U
U E
EL
L
R
R E
EQ
Q U
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EM
M E
EN
N T
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S
Introduction
F8
Do not "top off" after the noz-
zle automatically shuts off
when refueling.
Tightly close the cap, until it clicks one time. Otherwise,
the Malfunction Indicator
Light " " will illuminate.
Always confirm that the fuel cap is securely closed in
order to prevent fuel spillage
in the event of an accident.
WARNING
Never add any fuel-system
cleaning additives to the fuel
tank, unless specified. (Consult
an authorized EQUUS dealer for
further details.)
CAUTION

"E85" fuel is an alternative fuel com-
prised of 85% of ethanol and 15% of
gasoline, and is exclusively manufac-
tured for Flexible Fuel Vehicles. "E85"
cannot be refueled in your vehicle.
Refueling with "E85" will result in
poor engine performance and dam-
age to your vehicle’s engine and fuel
system. HYUNDAI recommends you
not to use the fuel, of which the
ethanol percentage is 10% or more.Other fuels
Using fuels such as;- Silicone (Si) contained fuel,
- Ferrocene (Fe) contained fuel,and
- Other metallic additives con- tained fuels,
may cause vehicle and engine dam-
age or cause plugging, misfiring,
poor acceleration, engine stalling,
catalyst melting, abnormal corrosion,
life cycle reduction, etc.
Also, the Malfunction Indicator Lamp
(MIL) may illuminate.
Damage to the fuel system or per-
formance problem caused by the
use of these fuels may not be cov-
ered by your New Vehicle Limited
Warranty.
NOTICE
F9
Introduction
Your New Vehicle Limited
Warranty does not cover dam-
age to the fuel system or any
performance problems caused
by the use of "E85" fuel.
CAUTION
Never use gasoline, containing
methanol. Stop using any gaso-
hol product, which impairs your
drivability.
CAUTION

Gasoline containing MMT
Some gasoline contains harmful
manganese-based fuel additives
such as MMT
(Methylcyclopentadienyl Manganese
Tricarbonyl). HYUNDAI does not rec-
ommend to use gasoline containing
MMT. This type of fuel may reduce
vehicle performance and affect your
emission control system.
The malfunction indicator lamp on
the cluster may illuminate.
Do not use methanol
Fuels containing methanol (wood
alcohol) should not be used. This
type of fuel may reduce vehicle per-
formance and damage the fuel sys-
tem components, engine control sys-
tem and emission control system.
Fuel Additives
HYUNDAI recommends you to use
high-quality gasoline, treated with
detergent additives such as TOP TIER
Detergent Gasoline. This prevents
deposit formation in the engine. These
types of gasoline will help to clean the
engine and to enhance performance
of the Emission Control System. For
more information on TOP TIER
Detergent Gasoline, please go to the
website (www.toptiergas.com).
For drivers, who do not regularly use
TOP TIER Detergent Gasoline and
have problems, such as hard starting
or rough engine running, gasoline
additives can be separately added.
When TOP TIER Detergent Gasoline
is unavailable, one bottle of additives
is recommended at every 7,500 miles
or in every 12 months.
Additives are available from your
authorized EQUUS dealer along with
information on how to use them. Do
not mix it with other additives.
Operation in foreign countries
When you plan to drive your vehicle
in another country, make sure to:
Check all regulations, regardingregistrations and insurances.
Find out whether the acceptable fuel is available.
Introduction
F10
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.
CAUTION

NORMAL MAINTENANCE SCHEDULE
The following maintenance procedures must be performed for good emission
control and performance.
Keep the records of all vehicle emission-system maintenance histories to pro-
tect your warranty. Between the driving mileage and period, follow the main-
tenance procedures in accordance with whichever occurs first.
7-9
Maintenance07
7,500 miles (12,000 km) or 6 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (7,500 miles (12,000 km) or 12 months)\
❑ Add fuel additives *
1(7,500 miles (12,000 km) or 12 months)
15,000 miles (24,000 km) or 12 months
❑ Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pad, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pad
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace engine oil and filter (15,000 miles (24,000 km) or 24 months)
❑ Add fuel additives *
1(15,000 miles (24,000 km) or 24 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-10
Maintenance
22,500 miles (36,000 km) or 18 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months)\
❑ Add fuel additives *
1(22,500 miles (36,000 km) or 36 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
2: Fuel filter & Fuel tank air filter are considered to be maintenance free\
. However, regular inspection is still recommended, because the maintenance schedule depend\
s on the fuel
quality. When there are critical safety problems, such as fuel flow blocking, overflowing, power
loss, and hard starting, immediately replace the fuel filter regardless of maintenance sche\
d-
ule, and consult an authorized EQUUS dealer for further information.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.
30,000 miles (48,000 km) or 24 months
❑Rotate tires
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect brake fluid
❑ Inspect fuel filter *
2
❑Inspect fuel lines, fuel hoses and connections
❑ Inspect fuel tank air filter *2
❑Inspect parking brake
❑ Inspect vapor hose and fuel filler cap, fuel tank
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace air cleaner filter
❑ Replace engine oil and filter (30,000 miles (48,000 km) or 48 months)
❑ Add fuel additives *
1(30,000 miles (48,000 km) or 48 months)

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-11
Maintenance07
37,500 miles (60,000 km) or 30 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect rear differential oil *
3 (40,000 miles (64,000 km) or 48 months)
❑ Inspect power steering fluid
❑ Replace engine oil and filter (37,500 miles (60,000 km) or 60 months)\
❑ Add fuel additives *
1(37,500 miles (60,000 km) or 60 months)
45,000 miles (72,000 km) or 36 months
❑ Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace engine oil and filter (45,000 miles (72,000 km) or 72 months)\
❑ Add fuel additives *
1(45,000 miles (72,000 km) or 72 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
3: Rear differential oil should be refilled, when the rear differential is submerged in water.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-12
Maintenance
52,500 miles (84,000 km) or 42 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months)\
❑ Add fuel additives *
1(52,500 miles (84,000 km) or 84 months)
60,000 miles (96,000 km) or 48 months
❑ Rotate tires
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect brake fluid
❑ Inspect fuel filter *
2
❑Inspect fuel lines, fuel hoses and connections
❑ Inspect fuel tank air filter *2
❑Inspect parking brake
❑ Inspect vapor hose and fuel filler cap, fuel tank
(Continued)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
2: Fuel filter & Fuel tank air filter are considered to be maintenance free\
. However, regular inspection is still recommended, because the maintenance schedule depend\
s on the fuel
quality. When there are critical safety problems, such as fuel flow blocking, overflowing, power
loss, and hard starting, immediately replace the fuel filter regardless of maintenance sche\
d-
ule, and consult an authorized EQUUS dealer for further information.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-13
Maintenance07
67,500 miles (108,000 km) or 54 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (67,500 miles (108,000 km) or 108 month\
s)
❑ Add fuel additives *
1(67,500 miles (108,000 km) or 108 months)
(Continued)
❑ Inspect drive belts (First, 60,000 miles (96,000 km) or 72 months
after every 15,000 miles (24,000 km) or 24 months) *
4
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace air cleaner filter
❑ Replace engine oil and filter (60,000 miles (96,000 km) or 96 months)\
❑ Add fuel additives *
1(60,000 miles (96,000 km) or 96 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
4: The drive belt should be replaced, when it has a crack. Otherwise, the tension would be excessively reduced.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-14
Maintenance
75,000 miles (120,000 km) or 60 months
❑Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect drive belts (First, 60,000 miles (96,000 km) or 72 months
after every 15,000 miles (24,000 km) or 24 months) *
4
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Inspect rear differential oil *
3 (80,000 miles (128,000 km) or 96 months)
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace engine oil and filter (75,000 miles (120,000 km) or 120 month\
s)
❑ Add fuel additives *
1(75,000 miles (120,000 km) or 120 months)
82,500 miles (132,000 km) or 66 months
❑ Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (82,500 miles (132,000 km) or 132 month\
s)
❑ Add fuel additives *
1(82,500 miles (132,000 km) or 132 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
3: Rear differential oil should be refilled, when the rear differential is submerged in water.
*4: The drive belt should be replaced, when it has a crack. Otherwise, the tension would be excessively reduced.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-15
Maintenance07
90,000 miles (144,000 km) or 72 months
❑Rotate tires
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect brake fluid
❑ Inspect fuel filter *
2
❑Inspect fuel lines, fuel hoses and connections
❑ Inspect fuel tank air filter *2
❑Inspect parking brake
❑ Inspect vapor hose and fuel filler cap, fuel tank
❑ Inspect drive belts (First, 60,000 miles (96,000 km) or 72 months
after every 15,000 miles (24,000 km) or 24 months) *
4
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace air cleaner filter
❑ Replace engine oil and filter (90,000 miles (144,000 km) or 144 month\
s)
❑ Add fuel additives *
1(90,000 miles (144,000 km) or 144 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
2: Fuel filter & Fuel tank air filter are considered to be maintenance free\
. However, regular inspection is still recommended, because the maintenance schedule depend\
s on the fuel
quality. When there are critical safety problems, such as fuel flow blocking, overflowing, power
loss, and hard starting, immediately replace the fuel filter regardless of maintenance sche\
d-
ule, and consult an authorized EQUUS dealer for further information.
*
4: The drive belt should be replaced, when it has a crack. Otherwise, the tension would be excessively reduced.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.