2021 HYUNDAI SANTA FE engine coolant

08
8 -7
If your temperature gauge indicates
overheating, you experience a loss of
power, or hear loud pinging or knocking,
the engine may be overheating. If this
happens, you should:
1.
Pull off the r
oad and stop as soon as it
is safe to do so.
2.
Shift the gear to P (P

ark) and set the
parking brake. If the air conditioning is
ON, turn it OFF.
3.
If engine coolant is running out under
the v

ehicle or steam is coming out
from the hood, stop the engine. Do
not open the hood until the coolant
has stopped running or the steaming
has stopped. If there is no visible
loss of engine coolant and no steam,
leave the engine running and check
to be sure the engine cooling fan is
operating. If the fan is not running,
turn the engine off.
WARNING
While the engine is running,
keep hands, clothing and tools
away from the moving parts
such as the cooling fan and
drive belt to prevent serious
injury. 4.
Check for coolan

t leaking from the
radiator, hoses or under the vehicle. (If
the air conditioning had been in use, it
is normal for cold water to be draining
from it when you stop.)
5.
If engine coolant is leaking out, s
top
the engine immediately and call the
nearest authorized HYUNDAI dealer
for assistance.
WARNING
Never remove the engine
coolant cap and/or water-
cooled intercooler coolant
cap or the drain plug while the
engine and radiator are hot.
Hot coolant and steam may blow out
under pressure, causing serious injury.
Turn the engine off and wait until the
engine cools down. Use extreme care
when removing the coolant cap. Wrap
a thick towel around it, and turn it
counterclockwise slowly to the first
stop. Step back while the pressure is
released from the cooling system. When
you are sure all the pressure has been
released, press down on the cap, using
a thick towel, and continue turning
counterclockwise to remove it.
IF THE ENGINE OVERHEATS

Emergency situations
8-8
6. If you cannot find the cause of the
overheating, wait until the engine
temperature has returned to normal.
Then, if coolant has been lost,
carefully add coolant to the reservoir
to bring the fluid level in the reservoir
up to the halfway mark.
7.
Proceed with caution, k

eeping alert
for further signs of overheating.
If overheating happens again,
we recommend that you call an
authorized HYUNDAI dealer for
assistance. CAUTION
• Serious loss of coolant indicates a
leak in the cooling system and we
recommend the system be checked
by an authorized HYUNDAI dealer.
• When the engine overheats from
low engine coolant, suddenly adding
engine coolant may cause cracks
in the engine. To prevent damage,
add engine coolant slowly in small
quantities. It may require several
refilling cycles to properly fill the
engine cooling system. If necessary,
an authorized HYUNDAI dealer
should be consulted to perform this
task.

Maintenance
9. Maintenance
Engine compartment ........................................................................\
................9-3
Main tenance services
........................................................................\
............... 9-4
Owner’s responsibility ........................................................................\
........................ 9-4
Owner maint enance precautions........................................................................\
....... 9-4
Owner maintenance ........................................................................\
................. 9-5Owner maintenance schedule ........................................................................\
...........9-6
Scheduled maintenance services .....................................................................9 -7Normal maintenance schedule ........................................................................\
.......... 9-8
Maint enance under severe usage conditions .......................................................... 9-
12
Explanation of scheduled maintenance items ..............................................9-14Fuel filter (for gasoline engine) ........................................................................\
......... 9-14
P arking brake ........................................................................\
..................................... .9-15
Engine oil ........................................................................\
.................................. 9-16Checking the engine oil level ........................................................................\
............9-16
Checking the engine oil and filt er ........................................................................\
...... 9-
17
Engine coolant /liquid-cooled intercooler coolant .......................................9-18Checking the coolant level ........................................................................\
................ 9-18
Changing coolan t ........................................................................\
.............................. 9-
20
Brake fluid ........................................................................\
................................9-21Checking the brake fluid level ........................................................................\
...........9-21
Washer fluid ........................................................................\
............................ 9-22Checking the washer fluid level ........................................................................\
........9-22
Air cleaner ........................................................................\
............................... 9-23Filter replacement ........................................................................\
..............................9-23
Cabin air filter ........................................................................\
..........................9-2 4Filter inspection ........................................................................\
..................................9-2 4
Filter replacement ........................................................................\
.............................. 9
-24
Wiper blades ........................................................................\
...........................9-25Blade inspection ........................................................................\
................................. 9-25
Blade r eplacement ........................................................................\
............................. 9-
25
Battery ........................................................................\
.....................................9-28For best battery service ........................................................................\
.....................9-29
Ba ttery capacity label ........................................................................\
....................... 9-
30
Battery recharging
........................................................................\
............................ 9-

30
Reset items
........................................................................\
......................................... 9-

31
9

Maintenance
9-6
Owner maintenance schedule
When you stop for fuel:
• Check the engine oil level.
• Check the coolant level in the engine
coolant reservoir or the water-cooled
intercooler coolant reservoir.
• Check the windshield washer fluid
level.
• Check for low or under-inflated tires.
WARNING
Be careful when checking your coolant
level when the engine is hot. This may
result in coolant being blown out of the
opening and cause serious burns and
other injuries.
While operating your vehicle:
• Note any changes in the sound of the
exhaust or any smell of exhaust fumes
in the vehicle.
• Check for vibrations in the steering
wheel. Notice if there is any increased
steering effort or looseness in the
steering wheel, or change in its
straight-ahead position.
• Notice if your vehicle constantly turns
slightly or “pulls” to one side when
traveling on smooth, level road.
• When stopping, listen and check for
unusual sounds, pulling to one side,
increased brake pedal travel or “hard-
to-push” brake pedal.
• If any slipping or changes in the
operation of your transmission occurs,
check the transmission fluid level.
• Check the automatic transmission P
(Park) function.
• Check the parking brake.
• Check for fluid leaks under your
vehicle (water dripping from the air
conditioning system during or after
use is normal).
At least monthly:
• Check coolant level in the engine
coolant reservoir.
• Check the operation of all exterior
lights, including the stoplights, turn
signals and hazard warning flashers.
• Check the inflation pressures of all
tires including the spare for tires that
are worn, show uneven wear, or are
damaged.
• Check for loose wheel lug nuts.
At least twice a year: (i.e., every
Spring and Autumn)
• Check radiator, heater and air
conditioning hoses for leaks or
damage.
• Check windshield washer spray and
wiper operation. Clean wiper blades
with a clean cloth dampened with
washer fluid.
• Check headlamp alignment.
• Check muffler, exhaust pipes, shields
and clamps.
• Check the seat belts for wear and
function.
At least once a year:
• Clean body and door drain holes.
• Lubricate door hinges and hood
hinges.
• Lubricate door and hood locks and
latches.
• Lubricate door rubber weather strips.
• Check the air conditioning system.
• Inspect and lubricate automatic
transmission linkage and controls.
• Clean the battery and terminals.
• Check the brake fluid level.

Maintenance
9-10
Normal maintenance schedule
MAINTENANCE INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 12 24 36 48 60 72 84 96 108 120 132 144 156
Miles×1,000 8 16 24 32 40 48 56 64 72 80 88 96 104
Km×1,000 13 26 39 52 65 78 91 104 117 130 143 156 169
Cooling system Inspect coolant level for leak every day
At first, inspect 40,000 miles (60,000 km) or 48 months.
After that, inspect every 20,000 miles (30,000 km) or 24 months
Engine coolant TGDI
At first, replace at 80,000 miles (130,000 km) or 10 years.
After that, replace every 24,000 miles (39,000 km) or 24 months
EXCEPT TGDI At first, replace at 120,000 miles (200,000 km) or 120 months.
After that, replace every 30,000 miles (50,000 km) or 24 months
Battery condition I I I I I I I I I I I I I
Brake lines, hoses and connections I I I I I I I I I I I I I
Brake pedal IIIIII
Parking brake (if equipped) IIIIII
Brake fluid TGDI
Inspect every 6,000 miles (10,000 km) or 12 months,
Replace every 48,000 miles (80,000 km) or 48 months
EXCEPT TGDI Inspect every 7,500 miles (12,000 km) or 12 months,
Replace every 60,000 miles (96,000 km) or 48 monthsI : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.

09
9-11
Normal maintenance schedule
MAINTENANCE INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 12 24 36 48 60 72 84 96 108 120 132 144 156
Miles×1,000 8 16 24 32 40 48 56 64 72 80 88 96 104
Km×1,000 13 26 39 52 65 78 91 104 117 130 143 156 169
Cooling system Inspect coolant level for leak every day
At first, inspect 40,000 miles (60,000 km) or 48 months.
After that, inspect every 20,000 miles (30,000 km) or 24 months
Engine coolant TGDI
At first, replace at 80,000 miles (130,000 km) or 10 years.
After that, replace every 24,000 miles (39,000 km) or 24 months
EXCEPT TGDI At first, replace at 120,000 miles (200,000 km) or 120 months.
After that, replace every 30,000 miles (50,000 km) or 24 months
Battery condition I I I I I I I I I I I I I
Brake lines, hoses and connections I I I I I I I I I I I I I
Brake pedal IIIIII
Parking brake (if equipped) IIIIII
Brake fluid TGDI
Inspect every 6,000 miles (10,000 km) or 12 months,
Replace every 48,000 miles (80,000 km) or 48 months
EXCEPT TGDI Inspect every 7,500 miles (12,000 km) or 12 months,
Replace every 60,000 miles (96,000 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 12 24 36 48 60 72 84 96 108 120 132 144 156
Miles×1,000 8 16 24 32 40 48 56 64 72 80 88 96 104
Km×1,000 13 26 39 52 65 78 91 104 117 130 143 156 169
Disc brakes and pads I I I I I I I I I I I I I
Steering gear rack, linkage and
boots TGDI
I I I I I I I I I I I I I
EXCEPT TGDI III
Driveshaft and boots IIII I I I I I
Tire (pressure & tread wear) I I I I I I I I I I I I I
Suspension mounting bolts I I I I I I I I I I I I I
Air conditioner refrigerant I I I I I I I I I I I I I
Air conditioner compressor I I I I I I I I I I I I I
Climate control air filter I R I R I R I R I R I R I
Automatic transmission fluid No check, No service required
Dual clutch transmission fluid Inspect every 40,000 mile(60,000 km) or 48 months
Exhaust pipe and muffler I I I I I I I I I I I I I
Front (AWD) / rear differential oil *
1
I IIIII
Transfer case oil (AWD) No check, No service required
Propeller shaft I I I I I I I I I I I I I
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.*1 : Front/rear differential oil should be changed anytime, front/rear differential have been submerged in water.

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.
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
Automatic transmission fluid should
not 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.)
Dual clutch transmission fluid (if
equipped)
Inspect the dual clutch transmission fluid
according to the maintenance schedule.
Brake hoses and lines
Visually check for proper installation,
chafing, cracks, deterioration and any
leakage. Replace any deteriorated or
damaged parts immediately.
Brake fluid
Check the brake fluid level in the brake
fluid reservoir. The level should be
between the MIN and the MAX marks
on the side of the reservoir. Use only
hydraulic brake fluid conforming to DOT
4 specification.
Parking brake
Inspect the parking brake system
including the parking brake lever and
cables.

Maintenance
9-18
EngInE COOLAnT /LIQUID-COOLED InTERCOOLER
COOLANT
The high-pressure cooling system has a
reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the
factory.
Check the antifreeze protection and
coolant level at least once a year, at
the beginning of the winter season and
before traveling to a colder climate.
Checking the coolant level
„„Smartstream G2.5 GDI
OTMA090004
„„Smartstream G2.5 T-GDI
OTMA090018
Check the condition and connections
of all cooling system hoses and
heater hoses. Replace any swollen or
deteriorated hoses.
The coolant level should be filled
between the MAX and the MIN marks on
the side of the coolant reservoir when
the engine is cool.
If the coolant level is low, add enough
distilled (deionized) water to bring the
level to the MAX mark, but do not overfill.
If frequent additions are required, we
recommend that you see an authorized
HYUNDAI dealer for a cooling system
inspection.
WARNING
Never remove the engine
coolant cap and/or water-
cooled intercooler coolant
cap or the drain plug while
the engine and radiator are
hot. Hot coolant and steam
may blow out under pressure,
causing serious injury.