2020 Hyundai Tucson wiring

2-63
Safety system of your vehicle
2
Air bags may not inflate if the vehicle
collides with objects such as utility
poles or trees, where the point of
impact is concentrated and the colli-
sion energy is absorbed by the vehi-
cle structure.
SRS care
The SRS is virtually maintenance-
free and there are no parts you can
safely service by yourself. If the SRS
air bag warning light does not illumi-
nate when the ignition switch is in the
ON position, or continuously remains
on, we recommend that the system
be immediately inspected by an
authorised HYUNDAI dealer.
We recommend any work on the
SRS system, such as removing,
installing, repairing, or any work on
the steering wheel, the front passen-
ger's panel, front seats and roof rails
be performed by an authorised
HYUNDAI dealer. Improper handling
of the SRS system may result in seri-
ous personal injury.
OTLE038063
To reduce the risk of serious
injury or death take the follow-
ing precautions:
Do not attempt to modify or
disconnect the SRS compo-
nents or wiring, including the
addition of any kind of badges
to the pad covers or modifica-
tions to the body structure.
Do not place objects over or
near the air bag modules on
the steering wheel, instrument
panel, and the front passen-
ger's panel above the glove
box.
Clean the air bag pad covers
with a soft cloth moistened
with plain water. Solvents or
cleaners could adversely
affect the air bag covers and
proper deployment of the sys-
tem.
We recommend that inflated
air bags be replaced by an
authorised HYUNDAI dealer.
WARNING

2-64
Safety system of your vehicle
If components of the air bag
system must be discarded, or
if the vehicle must be
scrapped, certain safety pre-
cautions must be observed.
Consult an authorised
HYUNDAI dealer for the nec-
essary information. Failure to
follow these precautions
could increase the risk of per-
sonal injury.
Additional safety precautions
Passengers should not move out
of or change seats whilst the vehi-
cle is moving.A passenger who is
not wearing a seat belt during a
crash or emergency stop can be
thrown against the inside of the vehi-
cle, against other occupants, or be
ejected from the vehicle.
Do not use any accessories on seat
belts.Devices claiming to improve
occupant comfort or reposition the
seat belt can reduce the protection
provided by the seat belt and increase
the chance of serious injury in a crash.
Do not modify the front seats.
Modification of the front seats could
interfere with the operation of the
supplemental restraint system sens-
ing components or side air bags.
Do not place items under the front
seats.Placing items under the front
seats could interfere with the opera-
tion of the supplemental restraint
system sensing components and
wiring harnesses.
Do not cause impact to the doors.
Impact to the doors when the ignition
switch is in the ON position may
cause the air bags to inflate.
Adding equipment to or modify-
ing your air bag equipped vehicle
If you modify your vehicle by chang-
ing your vehicle's frame, bumper sys-
tem, front end or side sheet metal or
ride height, this may affect the oper-
ation of your vehicle's air bag sys-
tem.

3-118
Convenient features of your vehicle
Automatic type
It automatically adjusts the headlight
beam level according to the number
of passengers and loading weight in
the luggage compartment.
And it offers proper headlight beam
under various conditions.
Low Beam Assist-Static light
(if equipped)
Whilst driving a corner, for greater
visibility and safety, either the left or
right side Low Beam Assist-Static
light will turn on automatically. The
Low Beam Assist-Static light will turn
on when one of the following condi-
tions occur:
Vehicle speed is less than 10 km/h
and the steering wheel angle is
turned approximately 80 degrees
with the low beam on.
Vehicle speed is between 10 km/h
to 90 km/h and steering wheel
angle is turned approximately 35
degrees with the low beam on.
When the vehicle is in reverse with
one of the conditions above satis-
fied, the light opposite to the direc-
tion the steering wheel is turned
will turn on.
Welcome system (if equipped)
Welcome light (if equipped)
Puddle lamp (if equipped)
When all the doors (and tailgate) are
closed and locked, the puddle lamp
will come on for about 15 seconds if
any of the following are performed.
When the door unlock button is
pressed on the remote key or
smart key.
When the button on the outside
door handle is pressed.
When the vehicle is approached
with the smart key in possession (if
equipped). If it does not work properly even
though your car is inclined rear-
ward according to passenger's
posture, or the headlight beam
is irradiated to the high or low
position, we recommend that
the system be inspected by an
authorised HYUNDAI dealer.
Do not attempt to inspect or
replace the wiring yourself.
WARNING
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5-159
Driving your vehicle
5
Check battery and cables
The winter temperature increases
the battery consumption.Inspect
the battery and cables, as speci-
fied in chapter 7.The battery charg-
ing level can be checked by an
authorised 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. For
further information, refer to the chap-
ter 8. When you are not sure about a
type of winter weight oil, consult an
authorised HYUNDAI dealer.Check spark plugs and ignition
system
Inspect the spark plugs, as speci-
fied in chapter 7.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 authorised window
washer anti-freeze solution, as spec-
ified on the window washer contain-
er. Window washer anti-freeze solu-
tion is available from an authorised
HYUNDAI dealer, and so are the
most vehicle accessory outlets. Do
not use engine coolant or other types
of anti-freeze solution to prevent any
damage to the vehicle paint.

5-167
Driving your vehicle
5
Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving your vehicle without a trailer.
This can help you avoid situations
that require heavy braking and sud-
den turns.
Passing
You will need more passing distance
up ahead when you're towing a trail-
er. And, because of the increased
vehicle length, you'll need to go
much farther beyond the passed
vehicle before you can return to your
lane.
Reversing
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 reverse slowly and, if possi-
ble, have someone guide you.
Making turns
When you are turning with a trailer,
make wider turns than normal. Do
this so your trailer won't strike soft
shoulders, kerbs, road signs, trees,
or other objects. Avoid jerky or sud-
den manoeuvres. 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 cluster 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 cluster 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 dis-
connect and then reconnect the
wires.

5-168
Driving your vehicle
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 effi-
ciently.
On a long uphill grade, shift down
and reduce your speed to around 70
km/h to reduce the possibility of
engine and transmission overheat-
ing.
If your trailer weighs more than the
maximum trailer weight without trail-
er brakes and you have an automat-
ic transmission/dual clutch transmis-
sion, you should drive in D (Drive)
when towing a trailer. Operating your
vehicle in D (Drive) when towing a
trailer will minimise heat build-up and
extend the life of your transmission.To prevent engine and/or trans-
mission overheating:
When towing a trailer on steep
grades (in excess of 6%) pay
close attention to the engine
coolant temperature gauge to
ensure the engine does not
overheat. If the needle of the
coolant temperature gauge
moves towards "H" (HOT), pull
over and stop as soon as it is
safe to do so, and allow the
engine to idle until it cools
down. You may proceed once the
engine has cooled sufficiently.
You must decide your vehicle
speed according to the trailer
weight and uphill grade.
Vehicles equipped with a dual
clutch transmission when tow-
ing a trailer on steep grades, the
clutch in the transmission could
overheat.
NOTICE
Do not connect a trailer lighting
system directly to your vehi-
cle'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.
Consult an authorised
HYUNDAI dealer for assistance.
WARNING

7-7
7
Maintenance
Owner maintenance schedule
When you stop for fuel:
Check the engine oil level.
Check coolant level in the engine
coolant reservoir.
Check the windscreen washer fluid
level.
Check for low or under-inflated
tyres.
Whilst 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 loose-
ness in the steering wheel, or
change in its straight-ahead posi-
tion.
Notice if your vehicle constantly
turns slightly or “pulls” to one side
when travelling on a smooth, level
road.
When stopping, listen and check
for unusual sounds, pulling to one
side, increased brake pedal travel
or a “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 transmis-
sion/dual clutch 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). Be careful when checking your
engine 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.
WARNING
Diesel Engine
Never manipulate or modify the
injection system whilst running
the diesel engine or within 30
seconds after turning OFF the
diesel engine. The high-pres-
sure pump, high-pressure
pipes, rail, and injectors are still
subject to the high pressure
right after stopping the diesel
engine. When the fuel leakage
vents out, it may cause serious
body injury. Any people, who
are implemented with the artifi-
cial cardiac pacemaker, should
remain away from the ECU or
the wiring harness by at least 30
cm, whilst running the diesel
engine. The high currents of the
electric engine control system
produce a considerable amount
of magnetic fields.
WARNING

7-27
7
Maintenance
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Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in
the maintenance schedule. If the
vehicle is being driven in severe con-
ditions, more frequent oil and filter
changes are required.
Drive belts
Inspect all drive belts for evidence of
cuts, cracks, excessive wear or oil
saturation and replace if necessary.
Drive belts should be checked peri-
odically for proper tension and
adjusted as necessary.
Fuel filter (cartridge)
A clogged-up fuel filter may limit the
vehicle driving speed, damage the
emission system, and cause hard
starting. When a considerable
amount of foreign substances are
accumulate in the fuel tank, the fuel
filter should be replaced.
Upon installing a new fuel filter, oper-
ate the diesel engine for several min-
utes, and check the connections for
any leakages. We recommend that
you have the fuel filter replaced by an
authorised HYUNDAI dealer.
Fuel lines, fuel hoses and con-
nections
Check the fuel lines, fuel hoses and
connections for leakage and dam-
age. We recommend that the fuel
lines, fuel hoses and connections be
replaced by an authorised HYUNDAI
dealer. When you are inspecting the
drive belt, place the ignition
switch to the LOCK/OFF or ACC
position.
CAUTION
Diesel Only
Never manipulate or modify the
injection system whilst running
the diesel engine or within 30
seconds after turning the diesel
engine OFF. The high-pressure
pump, high-pressure pipes, rail,
and injectors are still subject to
the high pressure right after
stopping the diesel engine.
When the fuel leakage vents
out, it may cause serious body
injury. Any people, who are
implemented with the artificial
cardiac pacemaker, should
remain away from the ECU or
the wiring harness by at least 30
cm whilst running the diesel
engine. The high currents of the
common rail system produce a
considerable amount of mag-
netic fields.
WARNING