2022 HYUNDAI SONATA HYBRID climate control

08
8-11
Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe
driving conditions. Refer to the chart below for the appropriate maintenance intervals.
R : Replace
I : Inspect and, after inspection, clean, adjust, repair or replace if necessary
Maintenance ItemMaintenance
operation Maintenance Intervals Driving
condition
HSG (Hybrid Starter &
Generator) belt R
Every 30,000 miles (48,000 km)
or 24 months C, D, E, I
I Every 3,750 miles (6,000 km) or
6 months
Engine oil and filter REvery 3,750 miles (6,000 km) or
6 months A, B, C, D, E,

F, G, H, I, K
Air cleaner filter RMore frequently C, E
Spark plugs RMore frequently B, H
Climate control air filter
(for evaporator and
blower unit) R
More frequently C, E
Front brake disc/pads,
calipers I
More frequently C, D, G, H

08
8-21
WASHER FLUID
Checking the Washer Fluid Level
ODN8H089006
Check the fluid level in the washer fluid
reservoir and add fluid if necessary. Plain
water may be used if washer fluid is not
available. However, use washer solvent
with antifreeze characteristics in cold
climates to prevent freezing.
WARNING
To prevent serious injury or death, take
the following safety precautions when
using washer fluid:
• Do not use engine coolant or
antifreeze in the washer fluid
reservoir. Engine coolant can
severely obscure visibility when
sprayed on the windshield and
may cause loss of vehicle control
resulting in an accident or damage to
paint and body trim.
• Do not allow sparks or flame to
contact the washer fluid or the
washer fluid reservoir. Washer fluid
may contain alcohol and can be
flammable.
• Do not drink washer fluid and avoid
contact with skin. Washer fluid is
harmful to humans and animals.
• Keep washer fluid away from
children and animals.
WARNING
Do not allow brake fluid to come in
contact with your eyes. If brake fluid
comes in contact with your eyes, flush
your eyes with clean water for at least
15 minutes and get immediate medical
attention.
NOTICE
• Do not allow brake fluid to contact
the vehicle’s body paint, as paint
damage will result.
• Brake fluid, which has been exposed
to open air for an extended time
should NEVER be used as its quality
cannot be guaranteed. It should be
disposed of properly.
• Do not use the wrong kind of brake
fluid. A few drops of mineral based
oil, such as engine oil, in your brake
system can damage brake system
parts.
Information
Use only the specified brake fluid (refer
to “Recommended Lubricants and
Capacities” section in chapter 2).

08
8-23
Filter Inspection
The cabin air filter should be replaced
according to the Maintenance Schedule.
If the vehicle is operated in severely air-
polluted cities or on dusty rough roads
for a long period, it should be inspected
more frequently and replaced sooner.
Replace the cabin air filter by following
the procedure below and be careful to
avoid damaging other components.
Filter Replacement
ODN8089010
1. Remove the support rod (1).
ODN8089011
2. Push in both sides of the glove box as
shown. This will ensure that the glove
box stopper pins will get released
from its holding location allowing the
glove box to hang.
ODN8089012
3. Remove the climate control air filter
case while pressing the lock on the
right side of the cover.
OIK077021
4. Replace the climate control air filter.
5. Reassemble in the reverse order of
disassembly.
NOTICE
Install a new climate control air filter
in the correct direction with the
arrow symbol (↓) facing downwards,
otherwise, it may be noisy and the
effectiveness of the filter may be
reduced.
CABIN AIR FILTER

08
8-29
WARNING
To reduce the risk of DEATH or
SERIOUS INJURY:
• Replace tires that are worn, show
uneven wear, or are damaged.
Worn tires can cause loss of
braking effectiveness, steering
control, and traction.
• Always replace tires with the
same size as each tire that was
originally supplied with this
vehicle. Using tires and wheels
other than the recommended
sizes could cause unusual
handling characteristics, poor
vehicle control, or negatively
affect your vehicle’s Anti-Lock
Brake System (ABS) resulting in a
serious accident.
• When replacing tires (or wheels),
it is recommended to replace
the two front or two rear tires (or
wheels) as a pair. Replacing just
one tire can seriously affect your
vehicle’s handling.
• Tires degrade over time, even
when they are not being used.
Regardless of the remaining
tread, HYUNDAI recommends
that tires be replaced after six (6)
years of normal service.
• Heat caused by hot climates or
frequent high loading conditions
can accelerate the aging process.
Failure to follow this warning
may cause sudden tire failure,
which could lead to a loss of
vehicle control resulting in an
accident. Compact spare tire replacement
(if equipped)
A compact spare tire has a shorter
tread life than a regular size tire.
Replace it when you can see the
tread wear indicator bars on the tire.
The replacement compact spare tire
should be the same size and design
tire as the one provided with your
new vehicle and should be mounted
on the same compact spare tire
wheel. The compact spare tire is
not designed to be mounted on a
regular size wheel, and the compact
spare tire wheel is not designed for
mounting a regular size tire.
WARNING
The original tire should be repaired
or replaced as soon as possible to
avoid failure of the spare and loss
of vehicle control resulting in an
accident.The compact spare tire
is for emergency use only. Do not
operate your vehicle over 50 mph
(80 km/h) when using the compact
spare tire.

Maintenance
8-32
4. Tire ply composition and material
The number of layers or plies of
rubber-coated fabric in the tire. Tire
manufacturers also must indicate the
materials in the tire, which include
steel, nylon, polyester, and others.
The letter “R” means radial ply
construction; the letter “D“ means
diagonal or bias ply construction;
and the letter “B” means belted-bias
ply construction.
5. Maximum permissible inflation
pressure
This number is the greatest amount
of air pressure that should be put in
the tire. Do not exceed the maximum
permissible inflation pressure. Refer
to the Tire and Loading Information
label for recommended inflation
pressure.
6. Maximum load rating
This number indicates the maximum
load in kilograms and pounds that
can be carried by the tire. When
replacing the tires on the vehicle,
always use a tire that has the same
load rating as the factory installed
tire.
7. Uniform tire quality grading
Quality grades can be found where
applicable on the tire sidewall
between tread shoulder and
maximum section width.
For example:
TREADWEAR 200
TRACTION AA
TEMPERATURE A Tread wear
The tread wear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on a
specified government test course.
For example, a tire graded 150 would
wear one-and-a-half times (1½) as
well on the government course as a
tire graded 100.
The relative performance of tires
depends upon the actual conditions
of their use, however, and may
depart significantly from the norm
due to variations in driving habits,
service practices and differences in
road characteristics and climate.
These grades are molded on the
sidewalls of passenger vehicle tires.
The tires available as standard or
optional equipment on your vehicle
may vary with respect to grade.
Traction - AA, A, B & C
The traction grades, from highest
to lowest, are AA, A, B and C. Those
grades represent the tire’s ability to
stop on wet pavement as measured
under controlled conditions on
specified government test surfaces
of asphalt and concrete. A tire
marked C may have poor traction
performance.

I
I-3
Automatic climate control system ....................................................................5-101
Automatic heating and air conditioning
........................................................5-102
Manual temperature control mode
................................................................5-103
Mode selection
........................................................................\
......................5-104
Instrument panel vents
........................................................................\
..........5-106
Temperature control
........................................................................\
..............5-106
Air intake control
........................................................................\
..................5-107
Fan speed control
........................................................................\
..................5-108
Driver only
........................................................................\
............................6-108
Air conditioning
........................................................................\
....................5-109
OFF mode ........................................................................\
.............................. 5-109
System operation
........................................................................\
...................5-109
System maintenance
........................................................................\
...............5-111
Air conditioning refrigerant label .................................................................. 5-112
Automatic transmission
........................................................................\
...............6-10
Shift-lock system
........................................................................\
.....................6-12
Parking
........................................................................\
....................................6-13
Good driving practices
........................................................................\
............6-15
Paddle shifter (manual shift mode)
.................................................................6-16
USB and iPod® port ........................................................................\
...................5-126
B
Battery saver function
........................................................................\
..................5-77
Before driving
........................................................................\
................................6-5
Blind-Spot Collision Warning (BCW)
.................................................................6-65
Blind-Spot Collision-Avoidance Assist (BCA)
...................................................6-65
Blind-Spot View Monitor (BVM)
.......................................................................6-86
Blue Link® center
........................................................................\
.....................5-128
Bluetooth® Wireless Technology hands-free
....................................................5-128
Brake fluid
........................................................................\
...................................8-20
Brake system
........................................................................\
................................6-18
Power brakes
........................................................................\
..........................6-18
Disc brakes wear indicator
........................................................................\
.....6-19
Electronic Parking Brake (EPB)
....................................................................6-19
Auto Hold
........................................................................\
...............................6-24
Anti-lock Brake System (ABS)
......................................................................6-27

I
I-5
Child-protector rear door lock ........................................................................\
....5-33
Climate control additional features
....................................................................5-117
Automatic ventilation
........................................................................\
............5-117
Sunroof inside air recirculation
.....................................................................5-117
Smart seat warmer/air ventilation seat
.........................................................5-117
Washer fluid logic
........................................................................\
................5-117
Clock
........................................................................\
.........................................5-124
Clothes hanger
........................................................................\
..........................5-124
Coasting guide
........................................................................\
.............................6-17
Consumer information
........................................................................\
.................1-10
Cup holder
........................................................................\
.................................5-119
D
Daytime running light (DRL)
........................................................................\
......5-72
Declaration of conformity ........................................................................\
............ 6-77
Defroster
........................................................................\
...................................5-117
Dimensions
........................................................................\
...................................2-7
Door locks
........................................................................\
...................................5-28
Operating door locks from outside the vehicle
..............................................5-28
Central door lock/unlock switch
....................................................................5-30
Auto door lock/unlock features
......................................................................5-31
Rear Occupant Alert (ROA) system
...............................................................5-32
Child-protector rear door lock
........................................................................\
5-33
Vehicle Auto-Shut Off Function
.....................................................................5-33
Drive mode integrated control system
.................................................................6-33
Drive mode
........................................................................\
.............................6-33
Drive mode on trip computer
........................................................................\
..6-37
Driver Attention Warning (DAW)
......................................................................6-78
Leading vehicle departure alert
......................................................................6-83
Driver position memory system ........................................................................\
... 5-35
Storing positions into memory
.......................................................................5-35
Easy access function
........................................................................\
..............5-37
Driving at night
........................................................................\
.........................6-133
Driving in flooded areas
........................................................................\
...........6-134
Driving in the rain
........................................................................\
.....................6-133
Driving the hybrid vehicle
........................................................................\
...........1-13