check engine HYUNDAI SANTA FE 2021 Workshop Manual

06
6-75
The severe weather conditions of winter quickly wear out tires and cause other
problems. To minimize winter driving problems, you should take the following
suggestions:
Snow or icy conditions
You need to keep sufficient distance between your vehicle and the vehicle in front of
you.
Apply the brakes gently. Speeding, rapid acceleration, sudden brake applications, and
sharp turns are potentially very hazardous practices. During deceleration, use engine
braking to the fullest extent. Sudden brake applications on snowy or icy roads may
cause the vehicle to skid.
To drive your vehicle in deep snow, it may be necessary to use snow tires or to install
tire chains on your tires.
Always carry emergency equipment. Some of the items you may want to carry include
tire chains, tow straps or chains, a flashlight, emergency flares, sand, a shovel, jumper
cables, a window scraper, gloves, ground cloth, coveralls, a blanket, etc.
Snow tires
WARNING
Snow tires should be equivalent in size and type to the vehicle’s standard tires.
Otherwise, the safety and handling of your vehicle may be adversely affected.
We recommend that you use snow tires when road temperature is below 45°F (7°C).
Refer to the below chart, and mount the recommended snow tire for your vehicle.
If you mount snow tires on your vehicle, make sure to use the same Inflation pressure
as the original tires. Mount snow tires on all four wheels to balance your vehicle’s
handling in all weather conditions. The traction provided by snow tires on dry roads
may not be as high as your vehicle’s original equipment tires. Check with the tire dealer
for maximum speed recommendations.
WINTER DRIVING

06
6-77
Chain Installation
When installing tire chains, follow the
manufacturer’s instructions and mount
them as tightly possible. Drive slowly
(less than 20 mph (30 km/h)) with
chains installed. If you hear the chains
contacting the body or chassis, stop and
tighten them. If they still make contact,
slow down until the noise stops. Remove
the tire chains as soon as you begin
driving on cleared roads.
When mounting snow chains, park the
vehicle on level ground away from traffic.
Turn on the vehicle Hazard Warning
Flasher and place a triangular emergency
warning device behind the vehicle (if
available). Always place the vehicle in P
(Park), apply the parking brake and turn
off the engine before installing snow
chains.
NOTICE
When using tire chains:
• Wrong size chains or improperly
installed chains can damage your
vehicle’s brake lines, suspension,
body and wheels.
• Use SAE “S” class or wire chains.
• If you hear noise caused by chains
contacting the body, retighten the
chain to prevent contact with the
vehicle body.
• To prevent body damage, retighten
the chains after driving 0.3~0.6 miles
(0.5~1.0 km).
• Do not use tire chains on vehicles
equipped with aluminum wheels. If
unavoidable, use a wire type chain.
• Use wire chains less than 0.47 in.
(12mm) thick to prevent damage to
the chain’s connection.
Winter precautions
Use high quality ethylene glycol coolant
Your vehicle is delivered with high
quality ethylene glycol coolant in the
cooling system. It is the only type of
coolant that should be used because it
helps prevent corrosion in the cooling
system, lubricates the water pump and
prevents freezing. Be sure to replace or
replenish your coolant in accordance
with the maintenance schedule in
chapter 9. Before winter, have your
coolant tested to assure that its freezing
point is sufficient for the temperatures
anticipated during the winter.
Check battery and cables
Winter temperatures affect battery
performance. Inspect the battery and
cables, as specified in chapter 9. The
battery charging level can be checked
by an authorized HYUNDAI dealer or in a
service station.
Change to “winter weight” oil if
necessary
In some regions during winter, it is
recommended to use the “winter
weight” oil with lower viscosity In
addition, replace the engine oil and filter
if it is close to the next maintenance
interval. Fresh engine oil ensures
optimum engine operation during the
winter months. For further information,
refer to chapter 2. When you are not
sure about a type of winter weight oil,
we recommend that you consult an
authorized HYUNDAI dealer.

Driving your vehicle
6-78
Check spark plugs and ignition system
Inspect the spark plugs, as specified in
chapter 8. If necessary, replace them.
Also check all ignition wirings and
components for any cracks, wear-out,
and damage.
To prevent locks from freezing
To prevent the locks from being frozen,
spray approved de-icing fluid or glycerin
into key holes. When a lock opening is
already covered with ice, spray approved
de-icing fluid over the ice to remove it.
When an internal part of a lock freezes,
try to thaw it with a heated key. Carefully
use the heated key to avoid an injury.
Use approved window washer anti-
freeze solution in system
To prevent the window washer from
being frozen, add authorized window
washer anti-freeze solution, as specified
on the window washer container.
Window washer anti-freeze solution is
available from an authorized HYUNDAI
dealer, and most vehicle accessory
outlets. Do not use engine coolant or
other types of anti-freeze solution, to
prevent any damage to the vehicle paint.Do not let your parking brake freeze
Under some conditions your parking
brake can freeze in the engaged position.
This is most likely to happen when there
is an accumulation of snow or ice around
or near the rear brakes or if the brakes
are wet. When there is the risk that your
parking brake may freeze, temporarily
apply it with the gear in P (Park). Also,
block the rear wheels in advance, so the
vehicle may not roll. Then, release the
parking brake.
Do not let ice and snow accumulate
underneath
Under some conditions, snow and ice
can build up under the fenders and
interfere with the steering. When driving
in such conditions during the severe
winter, you should check underneath
the vehicle on a regular basis, to ensure
that the front wheels and the steering
components is unblocked.
Carry emergency equipment
In accordance with weather conditions,
you should carry appropriate emergency
equipment, while driving. Some of the
items you may want to carry include tire
chains, tow straps or chains, flashlight,
emergency flares, sand, shovel, jumper
cables, window scraper, gloves, ground
cloth, coveralls, blanket, etc.
Do not place objects or materials in the
engine compartment
Putting objects or materials in the engine
compartment may cause an engine
failure or combustion, because they may
block the engine cooling. Such damage
will not be covered by the manufacturer’s
warranty.

06
6-81
Tongue load
Gross Axle Weight Gross Vehicle Weight
OOSH069130L
The tongue load is an important weight
to measure because it affects the
total Gross Vehicle Weight (GVW) of
your vehicle. The trailer tongue should
weigh a maximum of 10% of the total
loaded trailer weight, within the limits
of the maximum trailer tongue load
permissible.
After you’ve loaded your trailer,
weigh the trailer and then the tongue,
separately, to see if the weights are
proper. If they aren’t, you may be able
to correct them simply by moving some
items around in the trailer.
WARNING
Take the following precautions:
• Never load a trailer with more weight
in the rear than in the front. The front
should be loaded with approximately
60% of the total trailer load; the rear
should be loaded with approximately
40% of the total trailer load.
• Never exceed the maximum weight
limits of the trailer or trailer towing
equipment. Improper loading can
result in damage to your vehicle and/
or personal injury. Check weights
and loading at a commercial scale or
highway patrol office equipped with
scales.
Information
With increasing altitude the engine
performance decreases. From 1,000 m
above sea level and for every 1,000 m
thereafter 10% of vehicle/trailer weight
(trailer weighter + gross vehicle weight)
must be deducted.

06
6-85
Backing up
Hold the bottom of the steering wheel
with one hand. Then, to move the trailer
to the left, move your hand to the left. To
move the trailer to the right, move your
hand to the right. Always back up slowly
and, if possible, have someone guide
you.
Making turns
When you’re turning with a trailer, make
wider turns than normal. Do this so your
trailer won’t strike soft shoulders, curbs,
road signs, trees, or other objects. Avoid
jerky or sudden maneuvers. Signal well in
advance.
Turn signals
When you tow a trailer, your vehicle has
to have a different turn signal flasher and
extra wiring. The green arrows on your
instrument panel will flash whenever you
signal a turn or lane change. Properly
connected, the trailer lights will also flash
to alert other drivers you’re about to turn,
change lanes, or stop.
When towing a trailer, the green arrows
on your instrument panel will flash for
turns even if the bulbs on the trailer
are burned out. Thus, you may think
drivers behind you are seeing your
signals when, in fact, they are not. It’s
important to check occasionally to be
sure the trailer bulbs are still working.
You must also check the lights every time
you disconnect and then reconnect the
wires.
WARNING
Do not connect a trailer lighting system
directly to your vehicle’s lighting
system. Use an approved trailer wiring
harness. Failure to do so could result in
damage to the vehicle electrical system
and/or personal injury. We recommend
that you consult an authorized
HYUNDAI dealer for assistance.
Driving on hills
Reduce speed and shift to a lower gear
before you start down a long or steep
downgrade. If you don’t shift down, you
might have to use your brakes so much
that they would get overheated and may
not operate efficiently.
On a long uphill grade, shift down and
reduce your speed to around 45 mph (70
km/h) to reduce the possibility of engine
and transmission overheating.
If your trailer weighs more than the
maximum trailer weight without trailer
brakes and you have a automatic
transmission, you should drive in D
(Drive) when towing a trailer.
Operating your vehicle in D (Drive)
when towing a trailer will minimize heat
build-up and extend the life of your
transmission.

06
6-87
Driving the vehicle after it has been
parked on a hill
1. With the gear in P (Park), apply your
brakes and hold the brake pedal down
while you:
• Start your engine;
• Shift into gear; and
• Release the parking brake.
2.
Slowly r

emove your foot from the
brake pedal.
3.
Drive slo

wly until the trailer is clear of
the chocks.
4.
St

op and have someone pick up and
store the chocks.
Maintenance when towing a
trailer
Your vehicle will need service more
often when you regularly pull a trailer.
Important items to pay particular
attention to include engine oil,
transmission fluid, axle lubricant and
cooling system fluid. Brake condition
is another important item to frequently
check. If you’re trailering, it’s a good
idea to review these items before
you start your trip. Don’t forget to
also maintain your trailer and hitch.
Follow the maintenance schedule that
accompanied your trailer and check it
periodically. Preferably, conduct the
check at the start of each day’s driving.
Most importantly, all hitch nuts and bolts
should be tight.
NOTICE
To prevent vehicle damage:
• Due to higher load during trailer
usage, overheating might occur on
hot days or during uphill driving.
If the coolant gauge indicates
over-heating, switch off the air
conditioner and stop the vehicle in a
safe area to cool down the engine.
• Do not switch off the engine while
the coolant gauge indicates over-
heating.
(Keep the engine idle to cool down
the engine)
• When towing check transmission
fluid more frequently.
• If your vehicle is not equipped with
an air conditioner, you should install
a condenser fan to improve engine
performance when towing a trailer.

Driver assistance system
7-34
System malfunction and
limitations
System malfunction
OTM070099N
When Blind-Spot Safety system is not
working properly, the ‘Check Blind-Spot
Safety system(s)’ warning message will
appear on the cluster, and the system
will turn off automatically or the system
will be limited. We recommend that the
system be inspected by an authorized
HYUNDAI dealer.
„„Type A„„Type B
OTM070100NOTM070100L
When the side view mirror warning light
is not working properly, the ‘Check side
view mirror warning light’ (or 'Check
outside mirror warning icon') warning
message will appear on the cluster.
We recommend that the system be
inspected by an authorized HYUNDAI
dealer.
System disabled
OTM070098N
When the rear bumper around the rear
corner radar or sensor is covered with
foreign material, such as snow or rain,
or installing a trailer or carrier, it can
reduce the detecting performance and
temporarily limit or disable Blind-Spot
Safety system.
If this occurs, the ‘Blind-Spot Safety
system(s) disabled. Radar blocked’
warning message will appear on the
cluster.
The system will operate normally when
such foreign material or trailer, etc.
is removed, and then the engine is
restarted.
If the system does not operate normally
after it is removed, we recommend
that the system be inspected by an
authorized HYUNDAI dealer.
WARNING
• Even though the warning message
does not appear on the cluster, Blind-
Spot Safety system may not properly
operate.
• Blind-Spot Safety system may not
properly operate in an area (e.g.
open terrain) where any objects are
not detected right after the engine
is turned on, or when the detecting
sensor is blocked with foreign
material right after the engine is
turned on.

07
7-43
• The driver and passengers are
responsible for accidents that occurs
while exiting the vehicle. Always
check the surroundings before you
exit the vehicle.
• Never deliberately operate Safe Exit
Assist. Doing so may lead to serious
injury or death.
• Safe Exit Assist does not operate
if there is a problem with Blind-
Spot Safety system. There may be
a problem with Blind Spot Safety
system when:
-Blind Spot Sa

fety system warning
light appears
- Blind-Spo

t Safety system sensor or
the sensor surrounding is polluted
or covered
- Blind-Spo

t Safety system fails to
warn passengers or falsely warn
passengers
Information
After the engine is turned off, Safe Exit
Assist operates approximately for 3
minutes, but turns off immediately if the
doors are locked.
System malfunction and
limitations
System malfunction
OTM070099N
When Safe Exit Assist is not working
properly, the ‘Check Blind-Spot Safety
system(s)’ warning message will appear
on the cluster, and the system will turn
off automatically or the system will be
limited. We recommend that the system
be inspected by an authorized HYUNDAI
dealer.

Driver assistance system
7-104
WARNING
• Even though the warning message
does not appear on the cluster, Rear
Cross-Traffic Safety system may not
operate properly.
• Rear Cross-Traffic Safety system may
not operate properly in an area (for
example: open terrain), where any
substance are not detected after
turning ON the engine.
CAUTION
Turn off Rear Cross-Traffic Safety
system to install a trailer, carrier, etc.,
or remove the trailer, carrier, etc. to use
Rear Cross-Traffic Safety system.
Limitations of the system
Rear Cross-Traffic Safety system may
not operate normally, or the system
may operate unexpectedly under the
following circumstances:
• Departing from where trees or grass
are overgrown
• Departing from where roads are wet
• Speed of the approaching vehicle is
fast or slow
Braking control may not work, driver’s
attention is required in the following
circumstances:
• The vehicle severely vibrates while
driving over a bumpy road, uneven
road or concrete patch
• Driving on a slippery surface due to
snow, water puddle, ice, etc.
• The tire pressure is low or a tire is
damaged
• The brake is reworked
• Remote Smart Parking Assist is
operating (if equipped)
CAUTION
For more details on the limitations of
the rear corner radar, refer to “Blind-
Spot Collision-Avoidance Assist (BCA)”
section in chapter 7.
WARNING
• Driving near a vehicle or structure
OJX1079111[A] : Structure
Rear Cross-Traffic Safety system
may be limited when driving near
a vehicle or structure, and may not
detect the vehicle approaching from
the left or right. If this occurs, the
system may not warn the driver or
control the brakes when necessary.
Always check your surroundings
while backing up.

07
7-109
Reverse Parking Distance Warning
• Reverse Parking Distance Warning
will operate when the gear is in R
(Reverse).
• Reverse Parking Distance Warning
detects a person, animal or object in
the rear when the vehicle’s rearward
speed is below 6 mph (10 km/h).
Distance
from object Warning
indicator Warning
sound
Driving
rearward
24~48 in.
(60~120 cm)
Buzzer beeps
intermittently
12~24 in.
(30~60 cm)
Beeps more frequently
within 12 in. (30 cm)
Beeps
continuously
• The corresponding indicator will
illuminate whenever each ultrasonic
senor detects a person, animal or
object in its sensing range. Also an
audible warning will sound.
• When more than two objects are
detected at the same time, the closest
one will be warned with an audible
warning.
• The shape of the indicator in the
illustration may differ from the actual
vehicle.
System malfunction and
precautions
System malfunction
After starting the engine, a beep will
sound when the gear is shifted to R
(Reverse) to indicate the system is
operating normally.
However, if one or more of the following
occurs, first check whether the ultrasonic
sensor is damaged or blocked with
foreign material. If it still does not work
properly, we recommend that the system
be inspected by an authorized HYUNDAI
dealer.
• The audible warning does not sound.
• The buzzer sounds intermittently.
• The ‘Parking sensor error or blockage’
warning message appears on the
cluster.
OTM070218L