Hyundai Ioniq Plug-in Hybrid (2018 year). Manual

MAINTENANCE SERVICES

You should exercise the utmost care

Detailed warranty information is pro-

Certain modifications may also be in

to prevent damage to your vehicle

vided in your Owner's Handbook &

violation of regulations established by

and injury to yourself whenever per-

Warranty Information booklet.

the U.S. Department of Transportation

forming any maintenance or inspec-

and other federal or state agencies.

Repairs and adjustments required as

tion procedures.

a result of improper maintenance or

We recommend you have your vehi-

a lack of required maintenance are

NOTICE

cle maintained and repaired by an

not covered.

Improper owner maintenance dur-

authorized HYUNDAI dealer. An

authorized HYUNDAI dealer meets

ing the warranty period may affect

Owner Maintenance

warranty coverage. For details, read

HYUNDAI's high service quality

Precautions

the separate Owner's Handbook &

standards and receives technical

Warranty Information booklet pro-

support from HYUNDAI in order to

Inadequate, incomplete or insuffi-

provide you with a high level of serv-

cient servicing may result in opera-

vided with the vehicle. If you're

unsure about any service or main-

ice satisfaction.

tional problems with your vehicle that

tenance procedure, have it done

could lead to vehicle damage, an

by an authorized HYUNDAI dealer.

accident, or personal injury. This

Owner's Responsibility

chapter provides instructions only for

Maintenance service and record

the maintenance items that are easy

retention are the owner's responsibil-

to perform. Several procedures can

ity.

be done only by an authorized

You should retain documents that

HYUNDAI dealer with special tools.

show proper maintenance has been

Your vehicle should not be modified

performed on your vehicle in accor-

in any way. Such modifications may

dance with the scheduled mainte-

adversely affect the performance,

nance service charts shown on the

safety or durability of your vehicle

following pages. You need this infor-

and may, in addition, violate condi-

mation to establish your compliance

tions of the limited warranties cover-

with the servicing and maintenance

ing the vehicle.

requirements of your vehicle war-

ranties.

7-5

Maintenance

OWNER MAINTENANCE

The following lists are vehicle checks

WARNING

(Continued)

and inspections that should be per-

•

Block the tires

(front and

formed by the owner or an author-

Performing maintenance work

back) to prevent the vehicle

ized HYUNDAI dealer at the frequen-

on a vehicle can be dangerous.

from moving.

cies indicated to help ensure safe,

If you lack sufficient knowledge

Remove loose clothing or jew-

dependable operation of your vehi-

and experience or the proper

elry that can become entan-

cle.

tools and equipment to do the

gled in moving parts.

Any adverse conditions should be

work, have it done by an author-

•

If you must run the engine

brought to the attention of your deal-

ized HYUNDAI dealer.

during maintenance, do so

er as soon as possible.

ALWAYS follow these precau-

out doors or in an area with

These Owner Maintenance vehicle

tions for performing mainte-

plenty of ventilation.

checks are generally not covered by

nance work:

•

Keep flames, sparks, or smok-

warranties and you may be charged

• Park your vehicle on level

ing materials away from the

for labor, parts and lubricants used.

ground, move the shift lever

battery and fuel-related parts.

into the P

(Park), apply the

parking brake, and place the

Engine Start/Stop button in

the OFF position.

(Continued)

7-6

How to Disconnect the (-)

Owner Maintenance Schedule

While operating your vehicle:

Cable for Regular Maintenance

•

Note any changes in the sound of

When you stop for fuel:

(Hybrid vehicle)

the exhaust or any smell of

• Check the engine oil level.

exhaust fumes in the vehicle.

• Check the coolant level in the

•

Check for vibrations in the steering

engine coolant reservoir.

wheel. Notice if there is any

• Check the windshield washer fluid

increased steering effort or loose-

level.

ness in the steering wheel, or

• Check for low or under-inflated

change in its straight-ahead posi-

tires.

tion.

•

Notice if your vehicle constantly

WARNING

turns slightly or "pulls" to one side

when traveling on smooth, level

Be careful when checking your

road.

OAE076073N

engine coolant/inverter coolant

•

When stopping, listen and check

level when the engine is hot.

for unusual sounds, pulling to one

When the vehicle is under regular

This may result in coolant being

side, increased brake pedal travel

maintenance, make sure to separate

blown out of the opening and

or "hard-to-push" brake pedal.

the (-) cable before maintenance.

cause serious burns and other

•

If any slipping or changes in the

Separate the (-) cable following the

injuries.

operation of your transmission

below instructions.

occurs, check the transmission

1. Fold the rear left side seat.

fluid level.

2. Remove the service cover (A) on

•

Check the dual clutch transmission

the luggage trim.

P (Park) function.

3. Separate the (-) cable (B).

• Check the parking brake.

Reassemble in the reverse order.

•

Check for fluid leaks under your

vehicle (water dripping from the air

conditioning system during or after

use is normal).

7-7

Maintenance

SCHEDULED MAINTENANCE

At least monthly:

At least once a year:

SERVICES

• Check coolant level in the engine

•

Clean body and door drain holes.

Follow Normal Maintenance Schedule

coolant reservoir.

•

Lubricate door hinges and hood

if the vehicle is usually operated where

• Check the operation of all exterior

hinges.

none of the following conditions apply.

lights, including the brake lights,

•

Lubricate door and hood locks and

If any of the following conditions apply,

turn signals and hazard warning

you must follow the Maintenance

latches.

flashers.

Under Severe Usage Conditions.

•

Lubricate door rubber weather

• Check the inflation pressures of all

•

Repeated short distance driving.

strips.

tires including the spare for tires

•

Lubricate door checker.

•

Driving in dusty conditions or

that are worn, show uneven wear,

sandy areas.

or are damaged.

•

Check the air conditioning system.

•

Extensive use of brakes.

• Check for loose wheel lug nuts.

•

Inspect and lubricate transmission

linkage and controls.

•

Driving in areas where salt or other

corrosive materials are used.

•

Clean the battery and terminals.

At least twice a year:

•

Driving on rough or muddy roads.

•

Check the brake fluid level.

(i.e., every Spring and Fall)

•

Driving in mountainous areas.

• Check radiator, heater and air con-

•

Extended periods of idling or low

ditioning hoses for leaks or dam-

speed operation.

age.

•

Driving for a prolonged period in

• Check windshield washer spray

cold temperatures and/or extreme-

and wiper operation. Clean wiper

ly humid climates.

blades with a clean cloth damp-

ened with washer fluid.

•

More than 50% driving in heavy

city traffic during hot weather

• Check headlamp alignment.

above 90°F (32°C).

• Check muffler, exhaust pipes,

For additional information or assis-

shields and clamps.

tance see your authorized HYUNDAI

• Check the seat belts for wear and

dealer.

function.

7-8

Normal Maintenance Schedule

The following maintenance services must be performed to ensure good emission control and performance.

Keep receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the

frequency of service is determined by whichever occurs first.

MAINTENANCE

Number of months or driving distance, whichever comes first

INTERVALS

Months

108

120

132

144

156

168

180

Miles

7.5

22.5

37.5

52.5

67.5

105

113

MAINTENANCE

ITEM

108

120

132

144

156

168

180

Inspect every 7,500 miles or 12 months,

HSG belts *1

and replace every 67,500 miles or 48 months

Engine oil and engine oil filter

Fuel additives *2

Add fuel additives every 7,500 miles or 12months

Air cleaner filter

Spark plugs

Replace every 97,500 miles

Rotate tires

Rotate tires every 7,500 miles

Climate control air filter

Vacuum hose

At first, replace at 120,000 miles or 10 years :

Engine coolant / Inverter coolant

after that, replace every 30,000 miles or 24 months

: Inspect and if necessary, adjust, correct, clean or replace.

R :Replace or change.

: Inspect HSG belt for evidence of cuts, crocks, excessive wear or oil saturation and replace if necessary. If drive belt noise

occurred, readjust drive belt tension before replace.

: If TOP TIER Detergent Gasoline is not available, one bottle of additive is recommended. Additives are available from your

authorized HYUNDAI dealer along with information on how to use them. Do not mix other additives.

7-9

Maintenance

Normal Maintenance Schedule (CONT.)

MAINTENANCE

Number of months or driving distance, whichever comes first

INTERVALS

Months

108

120

132

144

156

168

180

Miles

7.5

22.5

37.5

52.5

67.5

105

113

MAINTENANCE

ITEM

108

120

132

144

156

168

180

Battery condition

Brake lines, hoses and connections

Engine clutch actuator hoses and lines

Disc brakes and pads

Steering gear rack, linkage and boots

Driveshaft and boots

Suspension mounting bolts

Air conditioner refrigerant

Air conditioner compressor

Exhaust pipe and muffler

Dual clutch transmission fluid

Vapor hose, fuel filler cap and fuel tank

: Inspect and if necessary, adjust, correct, clean or replace.

R :Replace or change.

7-10

Normal Maintenance Schedule (CONT.)

MAINTENANCE

Number of months or driving distance, whichever comes first

INTERVALS

Months

108

120

132

144

156

168

180

Miles

7.5

22.5

37.5

52.5

67.5

105

113

MAINTENANCE

ITEM

108

120

132

144

156

168

180

Fuel tank air filter *3

Fuel filter *3

Fuel lines, hoses and connections

Parking brake

Brake fluid

Engine clutch actuator fluid

Inspect every 7,500 miles, and replace every 22,500 miles

: Inspect and if necessary, adjust, correct, clean or replace.

R :Replace or change.

: Fuel filter & Fuel tank air filter are considered to be maintenance free but periodic inspection is recommended for this mainte-

nance schedule depends on fuel quality. If there are some important safety matters like fuel flow restriction, surging, loss of

power, hard starting problem, etc. replace the fuel filter immediately regardless of maintenance schedule and consult an

authorized HYUNDAI dealer for details.

7-11

Maintenance

Maintenance Under Severe Usage Conditions

The following items must be serviced more frequently on cars normally used under severe driving conditions.

Refer to the chart below for the appropriate maintenance intervals.

R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary

Maintenance

Maintenance item

Maintenance intervals

Driving condition

operation

Every 30,000 miles (48,000 km)

or 24 months

HSG (Hybrid Starter&Generator) belt

C, D, E, L

Every 3,750 miles (6,000 km) or 6 months

A, B, C, D, E,

Engine oil and filter

Every 3,750 miles (6,000 km) or 6 months

F, G, H, I, K

Air cleaner filter

More frequently

C, E

Spark plugs

More frequently

B, H

Climate control air filter

More frequently

C, E

(for evaporator and blower unit)

Front brake disc/pads, calipers

More frequently

C, D, G, H

7-12

Maintenance

Maintenance item

Maintenance intervals

Driving condition

operation

Rear brake disc/pads

More frequently

C, D, G, F

Steering gear box, linkage & boots/

More frequently

C, D, E, F, G, H, I

lower arm ball joint, upper arm ball joint

Every 7,500 miles (12,000 km)

C, D, E, F,

Drive shafts and boots

or 6 months

G, H, I, J

Dual clutch transmission fluid

Every 75,000 miles (120,000 km)

C, D, E, F, G, H, I, J

Parking brake

More frequently

C, D, G, H

Severe driving conditions

A-Repeatedly driving short distance of less than 5 miles (8 km)

F-Driving in heavy traffic area over 90°F (32°C)

in normal temperature or less than 10 miles (16 km) in freez-

G-Driving on uphill, downhill, or mountain road

ing temperature

H-Towing a Trailer, or using a camper, or roof rack

B-Extensive engine idling or low speed driving for long dis-

- Driving as a patrol car, taxi, other commercial use or vehicle

tances

towing

C-Driving on rough, dusty, muddy, unpaved, graveled or salt-

J-Driving over 106 mph (170 km/h)

spread roads

K-Frequently driving in stop-and-go conditions

D-Driving in areas using salt or other corrosive materials or in

very cold weather

E-Driving in sandy areas

7-13

Maintenance

EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

Engine Oil and Filter

Fuel Lines, Fuel Hoses and

Air Cleaner Filter

Connections

The engine oil and filter should be

A genuine HYUNDAI air cleaner filter

changed at the intervals specified in

Check the fuel lines, fuel hoses and

is recommended when the filter is

the maintenance schedule. If the

connections for leakage and dam-

replaced.

vehicle is being driven in severe con-

age. Have an authorized HYUNDAI

ditions, more frequent oil and filter

dealer replace any damaged or leak-

Spark Plugs

changes are required.

ing parts immediately.

Make sure to install new spark plugs

of the correct heat range.

Fuel Filter

Vapor Hose and Fuel Filler

A clogged-up fuel filter may limit the

Cap

vehicle driving speed, damage the

Cooling System

The vapor hose and fuel filler cap

emission system, and cause the

should be inspected at those inter-

Check cooling system components,

hard starting. When a considerable

vals specified in the maintenance

such as radiator, coolant reservoir,

amount of foreign substances are

schedule. Make sure a new vapor

hoses and connections for leakage

accumulated in the fuel tank, the fuel

hose or fuel filler cap is correctly

and damage. Replace any damaged

filter should be replaced.

replaced.

parts.

Upon installing a new fuel filter, oper-

ate the engine for several minutes,

HSG (Hybrid Starter &

Engine Coolant / Inverter

and check the connections for any

Generator) Belt

Coolant

leakages. Fuel filters should be

installed by an authorized HYUNDAI

The HSG belt should be changed at

The coolant should be changed at

dealer.

the intervals specified in the mainte-

nance schedule.

7-14

Dual Clutch Transmission

Parking Brake

Steering Gear Box, Linkage &

Fluid

Boots / Lower Arm Ball Joint

Inspect the parking brake system

The dual clutch transmission fluid

including the parking brake pedal

With the vehicle stopped and the

should be inspected according to the

and cables.

engine off, check for excessive free-

intervals specified in the mainte-

play in the steering wheel. Check the

nance schedule.

linkage for bends or damage. Check

Brake Discs, Pads, Calipers

the dust boots and ball joints for

and Rotors

deterioration, cracks, or damage.

Engine Clutch Actuator Fluid

Check the pads for excessive wear,

Replace any damaged parts.

The engine clutch actuator fluid level

discs for run out and wear, and

should be inspected or replaced to

calipers for fluid leakage.

the intervals specified in the mainte-

Drive Shafts and Boots

nance schedule.

Check the drive shafts, boots and

Exhaust Pipe and Muffler

clamps for cracks, deterioration, or

Visually inspect the exhaust pipes,

damage. Replace any damaged

Brake Hoses and Lines

muffler and hangers for cracks, dete-

parts and, if necessary, repack the

Visually check for proper installation,

rioration, or damage. Start the engine

grease.

chafing, cracks, deterioration and

and listen carefully for any exhaust

any leakage. Replace any deteriorat-

gas leakage. Tighten connections or

ed or damaged parts immediately.

replace parts as necessary.

Air Conditioning Refrigerant

Check the air conditioning lines and

connections for leakage and dam-

Brake Fluid

Suspension Mounting Bolts

age.

Check the brake fluid level in the

Check the suspension connections

brake the fluid reservoir. The level

for looseness or damage. Retighten

should be between the MIN and the

to the specified torque.

MAX marks on the side of the reser-

voir. Use only hydraulic brake fluid

conforming to DOT 3 or DOT 4 spec-

ification.

7-15

Maintenance

ENGINE OIL

Checking the Engine Oil Level

1. Follow all of the oil manufacturer’s

precautions.

2. Be sure the vehicle is on the level

ground in P (Park) with the park-

ing brake set. If possible, block the

wheels.

3. Turn the engine on and allow the

engine to reach normal operating

temperature.

4. Turn the engine off and wait about

OAE076002

OAEPH076003

five minutes for the oil to return to

6. Pull the dipstick out again and

NOTICE

the oil pan.

check the level. The level should

5. Pull the dipstick out, wipe it clean,

be between F (Full) and L (Low).

To prevent damage to your

and re-insert it fully.

engine:

7. If it is near or at L, add enough oil

to bring the level to F.

• Do not overfill with engine oil.

Add oil in small quantities and

recheck level to ensure engine

is not overfilled.

• Do not spill engine oil when

adding or changing engine oil.

Use a funnel to help prevent oil

from being spilled on engine

components. Wipe off spilled oil

immediately.

7-16

Checking the Engine Oil and

Information

WARNING

Filter

Use only the specified engine oil (refer

to "Recommended Lubricants and

CALIFORNIA PROPOSITION 65

Capacities" in chapter 8).

WARNING

Engine oil contains chemicals

WARNING

known to the State of California

to cause cancer, birth defects

The electric motor for

and reproductive harm. Used

the cooling fan may

engine oil may cause irritation

continue to operate

or cancer of the skin if left in

or start up when the

contact with the skin for pro-

engine is not running

longed periods of time. Always

and can cause serious injury.

protect your skin by washing

Keep hands, clothing and tools

your hands thoroughly with

away from the rotating fan

soap and warm water as soon

Have engine oil and filter changed by

blades of the cooling fan.

as possible after handling used

an authorized HYUNDAI dealer

oil.

according to the Maintenance

Schedule at the beginning of this

chapter.

7-17

Maintenance

ENGINE COOLANT/INVERTER COOLANT

The high-pressure cooling system

Checking the Coolant Level

The coolant level should be filled

has a reservoir filled with year-round

between the MAX and the MIN

■ Engine coolant

antifreeze coolant. The reservoir is

marks on the side of the coolant

filled at the factory.

reservoir when the engine is cool.

Check the antifreeze protection and

If the coolant level is low, add enough

coolant level at least once a year, at

distilled

(deionized) water to bring

the beginning of the winter season

the level to the MAX mark, but do not

and before traveling to a colder cli-

overfill. If frequent additions are

mate.

required, see an authorized HYUNDAI

dealer for a cooling system inspection.

OAE076005

■ Inverter coolant

OAE076004

Check the condition and connections

of all cooling system hoses and

heater hoses. Replace any swollen

or deteriorated hoses.

7-18

■ Engine coolant cap

Information

WARNING

The engine coolant and/or inverter

Never remove the

coolant level is influenced by the

engine coolant cap

hybrid system temperature. Before

and/or inverter coolant

checking or refilling the engine

cap or the drain plug

coolant and/or inverter coolant, turn

while the engine and

the hybrid vehicle off.

radiator are hot. Hot coolant and

steam may blow out under pres-

WARNING

OAE076006

sure, causing serious injury.

■ Inverter coolant cap

Turn the hybrid system off and

The electric motor for

wait until the engine cools

the cooling fan may

down. Use extreme care when

continue to operate

removing the engine coolant

or start up when the

cap and/or inverter coolant cap.

engine is not running

Wrap a thick towel around it,

and can cause serious injury.

and turn it counterclockwise

Keep hands, clothing and tools

slowly to the first stop. Step

away from the rotating fan

back while the pressure is

blades of the cooling fan.

released from the cooling sys-

OAE076007

tem. When you are sure all the

pressure has been released,

press down on the cap, using a

thick towel, and continue turn-

ing counterclockwise to remove

it.

7-19

Maintenance

The electric motor for the cooling fan

WARNING

(Continued)

is controlled by engine coolant tem-

perature, refrigerant pressure and

■ Engine compartment rear view

Make sure the coolant cap is

vehicle speed. As the engine coolant

properly closed after refilling

temperature decreases, the electric

coolant. Otherwise the engine

motor will automatically shut off. This

could be overheated while driv-

is a normal condition. If your vehicle

ing.

is equipped with GDI, the electric

motor for the cooling fan may begin

■ Engine room front view

to operate at any time and continue

to operate until you disconnect the

negative battery cable.

OAE076050

2. Make sure that the tiny pro-

trusions inside the coolant

cap is securely interlocked.

OTL075062

1. Check if the coolant cap label

is straight In front.

(Continued)

7-20

Hyundai Ioniq Plug-in Hybrid (2018 year). Manual - part 26