2023 HYUNDAI TUCSON air filter

05
5-101
System maintenance
Cabin air filter
OIK047401L[A] : Outside air, [B] : Recirculated air
[C] : Cabin air filter, [D] : Blower
[E] : Evaporator core, [F] : Heater core
The cabin air filter is installed behind
the glove box. It filters the dust or other
pollutants that enter the vehicle through
the heating and air conditioning system.
We recommend that the cabin air filter
be replaced by an authorized HYUNDAI
dealer according to the maintenance
schedule.
If the vehicle is being driven in severe
conditions such as dusty or rough roads,
more frequent climate control filter
inspections and changes are required.
If the air flow rate suddenly decreases,
we recommend the system be checked
at an authorized HYUNDAI dealer.
Air Conditioning Performance and
Maintenance at Your HYUNDAI
Dealer
When the amount of refrigerant is low,
the performance of the air conditioning
is reduced. Overfilling also reduces the
performance of the air conditioning system.
Therefore, if abnormal operation is found, we
recommend that the system be inspected by
an authorized HYUNDAI dealer.
NOTICE
It is important that the correct type and
amount of oil and refrigerant is used.
Otherwise, damage to the compressor
and abnormal system operation may
occur. To prevent damage, the air
conditioning system in your vehicle
should only be serviced by trained and
certified technicians.
WARNING
Vehicles equipped with R-1234yf
Since the refrigerant is
mildly flammable and
operated at high pressure,
the air conditioning system
should only be serviced
by trained and certified
technicians. It is important
that the correct type and
amount of oil and refrigerant
are used.
All refrigerants should be reclaimed
with proper equipment.
Venting refrigerants directly to the
atmosphere is harmful to individuals
and environment. Failure to heed these
warnings can lead to serious injuries.

Convenient features
5-114
Air conditioning system operation tips
• If the vehicle has been parked in
direct sunlight during hot weather,
open the windows for a short time
to let the hot air inside the vehicle
escape.
• After sufficient cooling has been
achieved, switch back from the
recirculated air to the fresh outside air
position.
• To help reduce moisture inside of
the windows on rainy or humid
days, decrease the humidity inside
the vehicle by operating the air
conditioning system with the windows
and sunroof closed.
• Use the air conditioning system every
month for a few minutes to ensure
maximum system performance.
• If you operate the air conditioner
excessively, the difference between
the temperature of the outside air and
that of the windshield could cause
the outer surface of the windshield to
fog up, causing loss of visibility. In this
case, set the mode selection button to
the
position and set the fan speed control knob to the lowest speed
setting.
System maintenance
Cabin air filter
OIK047401L[A] : Outside air, [B] : Recirculated air
[C] : Cabin air filter, [D] : Blower
[E] : Evaporator core, [F] : Heater core
The cabin air filter is installed behind
the glove box. It filters the dust or other
pollutants that enter the vehicle through
the heating and air conditioning system.
We recommend that the cabin air filter
be replaced by an authorized HYUNDAI
dealer according to the maintenance
schedule. If the vehicle is being driven
in severe conditions such as dusty or
rough roads, more frequent climate
control filter inspections and changes are
required.
If the air flow rate suddenly decreases,
we recommend the system be checked
at an authorized HYUNDAI dealer.

Maintenance
9. Maintenance
Engine compartment ........................................................................\
................9-3
Maintenance services
........................................................................\
...............9-4Owner’s responsibility ........................................................................\
........................9-4
Owner maintenance precautions ........................................................................\
....... 9-4
Owner maintenance ........................................................................\
.................9-5Owner maintenance schedule ........................................................................\
...........9-6
Scheduled maintenance services .....................................................................9 -7Normal maintenance schedule ........................................................................\
..........9-8
Maintenance under severe usage conditions ..........................................................9-12
Explanation of scheduled maintenance items ..............................................9-14
Engine oil
........................................................................\
..................................9-17Checking the engine oil level ........................................................................\
.............9-17
Checking the Engine Oil and Filter ........................................................................\
...9-1 8
Engine coolant ........................................................................\
.......................9-20Checking the coolant level ........................................................................\
...............9-20
Changing coolant ........................................................................\
...............................9-22
Brake fluid ........................................................................\
...............................9-23Checking the brake fluid level ........................................................................\
...........9-23
Washer fluid ........................................................................\
............................9-24Checking the washer fluid level ........................................................................\
........9-24
Air cleaner ........................................................................\
...............................9-25Filter replacement ........................................................................\
..............................9-25
Cabin air filter ........................................................................\
..........................9-26Filter inspection ........................................................................\
..................................9-26
Filter replacement ........................................................................\
..............................9-26
Wiper blades ........................................................................\
............................9-27Blade inspection ........................................................................\
.................................9-27
Blade replacement ........................................................................\
.............................9-27
Battery ........................................................................\
.....................................9-32
For best battery service ........................................................................\
.....................9-33
Battery capacity label ........................................................................\
........................9-3 3
Battery recharging ........................................................................\
.............................9-34
Reset items ........................................................................\
.........................................9-35
9

09
9-9
Normal maintenance schedule
MAINTENANCE

INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156
Miles×1,000 816 24 3240 48 5664 7280 8896104
Km×1,000 1326 39 5265 78 91104 117130 143156169
Air cleaner filter IIR IIR IIR IIR I
Spark plugs
*4
Replace every 96,000 miles (156,000 km)
Vapor hose, fuel filler cap and fuel tank IIIIII
Fuel tank air filter IIIIII
Fuel lines, hoses and connections IIIIII
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.*4 : For your convenience, it can be replaced prior to it’s interval when you do maintenance of other items.
Fuel filter :
The fuel filter is consider
ed to be maintenance free but periodic inspection is recommended for this maintenance schedule
depends on fuel quality. If there are some important matters like fuel flow restriction, surging, loss of power, hard starting
problem etc, replace the fuel filter immediately regardless of maintenance schedule. We recommend that you consult an
authorized HYUNDAI dealer for details.

09
9-11
Normal maintenance schedule
MAINTENANCE
INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156
Miles×1,000 816 24 3240 48 5664 7280 8896104
Km×1,000 1326 39 5265 78 91104 117130 143156169
Engine coolant At first, replace at 120,000 miles (200,000 km) or 120 months.
After that, replace every 24,000 miles (40,000 km) or 24 months
Battery condition IIIIIIIIIIIII
Brake lines, hoses and connections IIIIIIIIIIIII
Brake pedal IIIIII
Parking brake (if equipped) IIIIII
Brake fluid Inspect every 8,000 miles (13,000 km) or 12 months,
Replace every 48,000 miles (78,000 km) or 48 monthsI : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.Normal maintenance schedule
MAINTENANCE

INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156
Miles×1,000 816 24 3240 48 5664 7280 8896104
Km×1,000 1326 39 5265 78 91104 117130 143156169
Disc brakes and pads IIIIIIIIIIIII
Steering gear rack, linkage and boots III
Tire (pressure & tread wear) IIIIIIIIIIIII
Suspension mounting bolts IIIIIIIIIIIII
Air conditioner refrigerant IIIIIIIIIIIII
Air conditioner compressor IIIIIIIIIIIII
Cabin air filter Replace every 16,000 miles (25,000 km) or 12 months
Automatic transmission fluid No check, No service required
Exhaust pipe and muffler IIIIIIII
IIIII
Rear differential oil *
6
I II
Transfer case oil (AWD) No check, No service required
Drive shaft IIIIIIIIIIIII
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.*5 : Rear differential oil should be changed anytime, front/rear differential have been submerged in water.

Maintenance
9-12
Maintenance under severe usage conditions
The following items must be serviced more frequently on cars mainly used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R : Replace
I : Inspect and if necessary, adjust, correct, clean or replace
Maintenance itemMaintenance
operation Maintenance intervals Driving
condition
Engine oil and engine oil
filter*
1R Replace every 5,000 miles
(8,000 km) or 6 months A, B, C, D, E,
F, G, H, I, J, K, L
Air cleaner filter RReplace more frequently
depending on the condition C, E
Spark plugs RReplace more frequently
depending on the condition A, B, F, G, H,
I, K
Steering gear box, linkage &
boots / lower arm ball joint,
upper arm ball joint IInspect more frequently
depending on the condition C, D, E, F, G,
H, I
Disc brakes and pads, calipers
and rotors IInspect more frequently
depending on the condition C, D, G, H,
J, K
*1 : Requires grade engine oil. If a lower grade
engine oil (mineral oil including Semi-synthetic) is used, then the engine oil and engine
oil filter must be replaced as indicated severe maintenance condition.

09
9-13
Maintenance itemMaintenance
operation Maintenance
intervals Driving
condition
Parking brake (if equipped) IInspect more
frequently depending on the condition C, D, G, H
Climate control air filter
(for evaporator and blower unit) RReplace more
frequently depending on the condition C, E
Automatic transmission fluid RReplace every 60,000
miles (96,000 km) A, C, E, F, G,
H, I, K
Rear differential oil RReplace every 72,000
miles (120,000 km) C, D, E, G,
H, I, J
Transfer case oil (AWD) -No check, No service
required -
Drive shaft IInspect more
frequently depending on the condition C, D, E, F,
G, H, I, J
Severe driving conditions
A. Repeatedly driving short distance 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 distances
C. Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D. Driving in areas using salt or other corrosive materials or in very cold weather
E. Driving in the condition of inflowing sand or dust into engine
F. Driving in heavy traffic area
G. Driving on uphill, downhill, or mountain roads
H. Towing a trailer or using a camper, or driving with loads on the roof
I. Driving for patrol car, taxi, commercial car or vehicle towing
J. Frequently driving under high speed or rapid acceleration/deceleration
K. Frequently driving in stop-and-go conditions
L. Engine oil usage which is not recommended (Mineral type, Semi-synthetic, Lower
grade spec, etc.)

09
9-15
Air cleaner filter
We recommend that the air cleaner filter
be replaced by an authorized HYUNDAI
dealer.
Spark plugs
Make sure to install new spark plugs of
the correct heat range.
When installing new spark plugs, be sure
that the ignition coils are clean and free
of any oil or debris. Clean and wipe off
the bottom portion of the ignition coil in
order to prevent any contamination with
the spark plug during installation.
WARNING
Do not remove spark plugs from the
vehicle when the engine is hot. You
may damage the engine and may also
risk burn injury.
Cooling system
Check cooling system components, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
Engine coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Engine coolant/water-cooled
intercooler coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Automatic transmission fluid
The automatic transmission fluid level
does not need to be checked under
normal usage conditions.
We recommend that the automatic
transmission fluid be changed by an
authorized HYUNDAI dealer according to
the maintenance schedule.
Information
Automatic transmission fluid color is red
when new.
As the vehicle is driven, the automatic
transmission fluid will begin to look
darker.
This is a normal condition. It does not
need to be replaced based on the color
change.
NOTICE
The use of a non-specified fluid could
result in transmission malfunction and
failure.
Use only specified automatic
transmission fluid. (Refer to
“Recommended Lubricants and
Capacities” section in chapter 2.)