ESP HYUNDAI TUCSON 2021 Repair Manual

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7
Maintenance
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Exterior Care
Exterior general caution
It is very important to follow the label
directions when using any chemical
cleaner or polish. Read all warning
and caution statements that appear
on the label.
Protecting your vehicle’s finish
Washing
To help protect your vehicle’s finish
from rust and deterioration, wash it
thoroughly and frequently at least
once a month with lukewarm or cold
water.
If you use your vehicle for off-road
driving, you should wash it after each
off-road trip. Pay special attention to
the removal of any accumulation of
salt, dirt, mud, and other foreign
materials. Make sure the drain holes
in the lower edges of the doors and
rocker panels are kept clear and
clean.
Insects, tar, tree sap, bird droppings,
industrial pollution and similar
deposits can damage your vehicle’s
finish if not removed immediately.
Even prompt washing with plain
water may not completely remove all
these deposits. A mild soap, safe for
use on painted surfaces, should be
used.
After washing, rinse the vehicle thor-
oughly with lukewarm or cold water.
Do not allow soap to dry on the fin-
ish. Do not use strong soap, chemi-
cal detergents or hot water, and
do not wash the vehicle in direct
sunlight or when the body of the
vehicle is warm.
Be careful when washing the side windows of your vehicle.
Especially, with high-pressure
water, water may leak through
the windows and wet the interi-
or.
To prevent damage to the plastic parts, do not clean with chemi-
cal solvents or strong deter-
gents.
NOTICE
After washing the vehicle, test
the brakes while driving slowly
to see if they have been affected
by water before getting on the
road. If braking performance is
impaired, dry the brakes by
applying them lightly while main-
taining a slow forward speed.
WARNING

8-10
Specifications, Consumer information and Reporting safety defects
Recommended SAE Viscosity
Number
Always be sure to clean the area
around any filler plug, drain
plug, or dipstick before check-
ing or draining any lubricant.
This is especially important in
dusty or sandy areas and when
the vehicle is used on unpaved
roads. Cleaning the plug and
dipstick areas will prevent dirt
and grit from entering the
engine and other mechanisms
that could be damaged.
CAUTION
Engine oil viscosity (thickness) has an effect on fuel economy and cold
weather operating (engine start and engine oil flowability). Lower viscosity
engine oils can provide better fuel economy and cold weather performance,
however, higher viscosity engine oils are required for satisfactory lubrication
in hot weather. Using oils of any viscosity other than those recommended
could result in engine damage. When choosing an oil, consider the range of
temperature your vehicle will be operated in before the next oil change.
Proceed to select the recommended oil viscosity from the chart.
Temperature Range for SAE Viscosity Numbers
Temperature -30 -20 -10 0 10 20 30 40 50
-10 0 20 40 60 80 100 120
Engine Oil *110W-30
5W-20, 5W-30
°C
(°F)
*1: For better fuel economy, it is recommended to use the engine oil
of a viscosity grade SAE 5W-20/API Latest (ILSAC Latest).
However, if the engine oil is not available in your country, select
the proper engine oil using the engine oil viscosity chart.
An engine oil displaying this American Petroleum Institute(API) Certification Mark
conforms to the International Lubricant Specification Advisory Committee (ILSAC). It
is recommended to only use engine oils that uphold this API Certification Mark.

I-7
Lane Keeping Assist (LKA) System ..............................5-87
Limitations of the System ..........................................5-93
LKA System Function Change ..................................5-95
LKA System Operation ..............................................5-89
Warning Light and Message.......................................5-91
LCD Display ...................................................................3-91
LCD Display Control .................................................3-91
LCD Display Modes ..................................................3-92
Liftgate ............................................................................3-52
Non-Powered liftgate .................................................3-52
Power Liftgate ............................................................3-54
Smart Liftgate.............................................................3-61
Light ..............................................................................3-107
Exterior Lights..........................................................3-107
Interior Lights ...........................................................3-116
Welcome System ......................................................3-115
Light Bulbs .....................................................................7-64
Daytime Running Lamp Replacement .......................7-65
Fog Lamp Replacement .............................................7-65
Headlamp Replacement..............................................7-65
High Mounted Stop Lamp Replacement....................7-73
Interior Light Bulb Replacement ...............................7-73
License Plate Light Bulb Replacement ......................7-73
Parking Lamp Replacement .......................................7-65
Rear Combination Light Bulb Replacement ..............7-70Side Marker Replacement ..........................................7-65
Side Repeater Lamp Replacement .............................7-69
Turn Signal Lamp Replacement.................................7-65
Luggage Tray ................................................................3-170
Luggage Volume ...............................................................8-3
Maintenance Services .......................................................7-4
Owner Maintenance Precautions..................................7-4
Owner's Responsibility.................................................7-4
Manual Climate Control System ..................................3-127
Heating and Air Conditioning ..................................3-128
System Maintenance ................................................3-135
System Operation .....................................................3-133
Mirrors ............................................................................3-24
Inside Rearview Mirror ..............................................3-24
Side View Mirrors ......................................................3-36
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Index
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