2018 Hyundai Sonata boot

5-8
Starting the engine
1. Make sure the parking brake isapplied.
2. Make sure the shift lever is in P (Park).
3. Depress the brake pedal.
4. Turn the ignition switch to the START position. Hold the key
(maximum of 10 seconds) until the
engine starts and release it.
Information
• Do not wait for the engine to warmup while the vehicle remains station-
ary. Start driving at moderate
engine speeds. (Steep accelerating
and decelerating should be avoided.)
• Whether the engine is cold or warm, always start the vehicle with your
foot on the brake pedal. Do not
depress the accelerator while start-
ing the vehicle. Do not race the
engine while warming it up. To prevent damage to the vehicle:
Do not hold the ignition key in
the START position for more
than 10 seconds. Wait 5 to 10
seconds before trying again.
If traffic and road conditions permit, you may put the shift
lever in the N (Neutral) position
while the vehicle is still moving
and turn the ignition switch to
the START position in an
attempt to restart the engine.
Do not push or tow your vehicle to start the engine.
NOTICEi
Driving your vehicle
Always wear appropriate shoes
when operating your vehicle.
Unsuitable shoes, such as high
heels, ski boots, sandals, flip-
flops, etc., may interfere with
your ability to use the brake and
accelerator pedals.
WARNING

5-12
Driving your vehicle
Always wear appropriate shoes
when operating your vehicle.
Unsuitable shoes, such as
high heels, ski boots, sandals,
flip-flops, etc., may interfere
with your ability to use the
brake and accelerator pedals.
Do not start the vehicle with the
accelerator pedal depressed.
The vehicle can move and lead
to an accident.
Wait until the engine rpm is
normal. The vehicle may sud-
denly move if the brake pedal
is released when the rpm is
high.
WARNING
Starting the engine Information
• The engine will start by pressing theEngine Start/Stop button, only when
the smart key is in the vehicle.
• Even if the smart key is in the vehi- cle, if it is far away from the driver,
the engine may not start.
• When the Engine Start/Stop button is in the ACC or ON position, if any
door is open, the system checks for
the smart key. If the smart key is not
in the vehicle, the warning, "Key
not in vehicle" will come on and if
all doors are closed, the chime will
also sound for about 5 seconds. The
indicator will turn off while the
vehicle is moving. Keep the smart
key in the vehicle when using the
ACC position or if the vehicle
engine is ON. 1. Always carry the smart key with
you.
2. Make sure the parking brake is applied.
3. Make sure the shift lever is in P (Park).
4. Depress the brake pedal.
5. Press the Engine Start/Stop but- ton.
Information
• Do not wait for the engine to warmup while the vehicle remains station-
ary. Start driving at moderate
engine speeds. (Steep accelerating
and decelerating should be avoided.)
• Always start the vehicle with your foot on the brake pedal. Do not
depress the accelerator while start-
ing the vehicle. Do not race the
engine while warming it up.
i
i

7
Maintenance
7
Maintenance
Engine Compartment ............................................7-3
Maintenance Services ...........................................7-6
Owner's Responsibility .....................................................7-6
Owner Maintenance Precautions..................................7-6
Owner Maintenance ..............................................7-7
Owner Maintenance Schedule .......................................7-8
Scheduled Maintenance Services........................7-9
Normal Maintenance Schedule
(Gamma 1.6 T-GDI/Theta 2.0 T-GDI)..........................7-10
Maintenance Under Severe Usage Conditions
(Gamma 1.6 T-GDI/Theta 2.0 T-GDI)..........................7-13
Normal Maintenance Schedule (Theta 2.4 GDI) ......7-15
Maintenance Under Severe Usage Conditions
(Theta 2.4 GDI) .................................................................7-18
Explanation of Scheduled Maintenance Items ..7-20
Engine Oil and Filter.......................................................7-20
Drive Belts........................................................................\
.7-20
Fuel Filter ........................................................................\
..7-20
Fuel Lines, Fuel Hoses and Connections ..................7-20
Vapor Hose and Fuel Filler Cap ...................................7-20
Air Cleaner Filter .............................................................7-20
Spark Plugs .......................................................................7\
-20
Valve Clearance ...............................................................7-21
Cooling System ................................................................7-21
Engine Coolant .................................................................7-21 Automatic Transmission Fluid ......................................7-21
Ecoshift Dual Clutch Transmission Fluid ...................7-21
Brake hoses and Lines ..................................................7-22
Brake Fluid ........................................................................\
7-22
Parking Brake...................................................................7-22
Brake Discs, Pads, Calipers and Rotors .....................7-22
Exhaust Pipe and Muffler.............................................7-22
Suspension Mounting Bolts ..........................................7-22
Steering Gear Box, Linkage &
Boots/Lower Arm Ball Joint .........................................7-22
Drive Shafts and Boots .................................................7-22
Air Conditioning Refrigerant ........................................7-22
Engine Oil ..............................................................7-23
Checking the Engine Oil Level .....................................7-23
Checking the Engine Oil and Filter .............................7-25
Engine Coolant .....................................................7-26
Checking the Engine Coolant Level ............................7-26
Changing Engine Coolant ..............................................7-28
Brake Fluid ............................................................7-29
Checking the Brake Fluid Level ...................................7-29
Washer Fluid .........................................................7-30
Checking the Washer Fluid Level................................7-30
Parking Brake .......................................................7-30
Checking the Parking Brake .........................................7-30
7

7
Maintenance
7-11
I : Inspect : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
Normal Maintenance Schedule (Gamma 1.6 T-GDI/Theta 2.0 T-GDI) (CONT)
Months1224364860728496108120132144156168180
Miles×1,00061218243036424854606672788490
Km×1,000102030405060708090100110120130140150
Battery conditionIIIIIIIIIIIIIII
Brake lines, hoses and connectionsIIIIIIIIIIIIIII
Disc brakes and padsIIIIIIIIIIIIIII
Driveshaft and bootsIIIIIIIIIIIIIII
Suspension mounting boltsIIIIIIIIIIIIIII
Air conditioner refrigerantIIIIIIIIIIIIIII
Air conditioner compressorIIIIIIIIIIIIIII
Exhaust pipe and mufflerIIIIIIIIIIIIIII
Automatic transaxle fluid (if equipped)No check, No service required
Ecoshift dual clutch transmission fluid
(if equipped)III
MAINTENANCEINTERVALS
MAINTENANCE
ITEM

Maintenance
7-12
I : Inspect : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
4: 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 a\
nd consult an
authorized HYUNDAI dealer for details.
Normal Maintenance Schedule (Gamma 1.6 T-GDI/Theta 2.0 T-GDI) (CONT)
Months1224364860728496108120132144156168180
Miles×1,00061218243036424854606672788490
Km×1,000102030405060708090100110120130140150
Intercooler, in/out hose, air intake hoseIIIIIIIIIIIIIII
Steering gear rack, linkage and bootsIIIIIIIIIIIIIII
Vapor hose, fuel filler cap and fuel tankIIIIIII
Fuel tank air filter *4IIIIIII
Fuel filter *4IIIIIII
Fuel lines, hoses and connectionsIII
Parking brakeIIIIIII
Brake fluidIIIIIII
MAINTENANCE INTERVALS
MAINTENANCE
ITEM

Maintenance
7-14
Severe Driving Conditions
A - Repeatedly driving short distances of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km)
in freezing temperature
B - Extensive engine idling or low speed driving for long dis- tances
C - Driving on rough, dusty, muddy, unpaved, graveled or salt- spread roads
D - Driving in areas using salt or other corrosive materials or in very cold weather E - Driving in sandy areas
F - Driving in heavy traffic area over 90°F (32°C)
G- Driving on uphill, downhill, or mountain road
H - Towing a Trailer, or using a camper, or roof rack
I - Driving as a patrol car, taxi, other commercial use or vehicle
towing
J - Driving over 106 mph (170 km/h)
K - Frequently driving in stop-and-go conditions
MAINTENANCE ITEMMAINTENANCE OPERATIONMAINTENANCE INTERVALSDRIVING
CONDITION
Parking brakeIMore frequentlyC, D, G, H
Steering gear box, linkage & boots/
lower arm ball joint, upper arm ball
joint
IMore frequentlyC, D, E, F, G, H, I
Suspension mounting boltsIMore frequentlyC, D, E, F, G, H, I
Drive shafts and bootsIEvery 3,000 miles or 6 monthsC, D, E, F, G, H, I
Climate control air filter
(for evaporator and blower unit)RMore frequentlyC, E

Maintenance
7-16
I : Inspect : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*
3: 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 a\
nd consult an
authorized HYUNDAI dealer for details.
Normal Maintenance Schedule (Theta 2.4 GDI) (CONT)
Months1224364860728496108120132144156168180
Miles×1,0007.51522.53037.54552.56067.57582.59097.5105112.5
Km×1,0001224364860728496108120132144156168180
Brake lines, hoses and connectionsIIIIIIIIIIIIIII
Disc brakes and padsIIIIIIIIIIIIIII
Driveshaft and bootsIIIIIIIIIIIIIII
Suspension mounting boltsIIIIIIIIIIIIIII
Air conditioner refrigerantIIIIIIIIIIIIIII
Air conditioner compressorIIIIIIIIIIIIIII
Exhaust pipe and mufflerIIIIIIIIIIIIIII
Automatic transaxle fluid (if equipped)No check, No service required
Steering gear rack, linkage and bootsIIIIIIIIIIIIIII
Vapor hose, fuel filler cap and fuel tankIIIIIII
Fuel tank air filter *3IIIIIII
Fuel filter *3IIIIIII
Fuel lines, hoses and connectionsIII
MAINTENANCE INTERVALS
MAINTENANCE
ITEM

7
Maintenance
7-19
Severe Driving Conditions
A - Repeatedly driving short distances of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km)
in freezing temperature
B - Extensive engine idling or low speed driving for long dis- tances
C - Driving on rough, dusty, muddy, unpaved, graveled or salt- spread roads
D - Driving in areas using salt or other corrosive materials or in very cold weather E - Driving in sandy areas
F - Driving in heavy traffic area over 90°F (32°C)
G- Driving on uphill, downhill, or mountain road
H - Towing a Trailer, or using a camper, or roof rack
I - Driving as a patrol car, taxi, other commercial use or vehicle
towing
J - Driving over 106 mph (170 km/h)
K - Frequently driving in stop-and-go conditions
MAINTENANCE ITEMMAINTENANCE OPERATIONMAINTENANCE INTERVALSDRIVING
CONDITION
Parking brakeIMore frequentlyC, D, G, H
Steering gear box, linkage & boots/
lower arm ball joint, upper arm ball
joint
IMore frequentlyC, D, E, F, G, H, I
Suspension mounting boltsIMore frequentlyC, D, E, F, G, H, I
Drive shafts and bootsIEvery 3,750 miles or 6 monthsC, D, E, F, G, H, I
Climate control air filter
(for evaporator and blower unit)RMore frequentlyC, E