air filter Hyundai Sonata 2009 User Guide

6
DO-IT-YOURSELF MAINTENANCE
20
1.18 in.
(30 mm)
CHECKING THE FREE-PLAYG150A01A-AATSTEERING WHEELTo check the steering wheel free-play,
stop the car with the wheels pointed straight
ahead and gently move the steering wheel
back and forth. Use very light finger pressure
and be sensitive to changes in resistance
that mark the limits of the free-play. If the
free-play is greater than specified, have it
inspected by your Hyundai dealer and
adjusted or repaired if necessary.
ONF078016
3. Remove the climate control air filter
case by pulling out the cover.
HNF5018
4. Replace the climate control air filter.
5. Reassemble in the reverse order of
disassembly.NOTE:When replacing the climate control air
filter install it in the same position as it
was installed. Otherwise, the system
may produce noise and the effective-
ness of the filter may be reduced.
ONF078037

7
EMISSION CONTROL SYSTEMS2
EMISSION CONTROL
SYSTEMS
H010B01A-AAT1. Crankcase Emission Control Sys-
temThe positive crankcase ventilation system
is employed to prevent air pollution caused
by blow-by gases being emitted from the
crankcase. This system supplies fresh
filtered air to the crankcase through the air
intake hose. Inside the crankcase, the fresh
air mixes with blow-by gases, which then
pass through the PCV valve into the
induction system.
CanisterFuel vapors generated inside the fuel tank
are absorbed and stored in the onboard
canister. When the engine is running, the
fuel vapors absorbed in the canister are
drawn into the surge tank through the
purge control solenoid valve.Purge Control Solenoid Valve (PCSV)The purge control solenoid valve is
controlled by the Engine Control Module
(ECM); when the engine coolant
temperature is low during idling, the PCSV
closes so that evaporated fuel is not taken
into the engine. After the engine warms-up
during ordinary driving, the PCSV opens
to introduce evaporated fuel to the engine.H010D01A-AAT3. Exhaust Emission Control
SystemThe Exhaust Emission Control System is a
highly effective system which controls
exhaust emissions while maintaining good
vehicle performance.
H010A01NF-AATYour Hyundai is equipped with an emission
control system to meet all emission
regulations.
There are three emission control systems
which are as follows.
(1) Crankcase emission control system
(2) Evaporative emission control system
(3) Exhaust emission control system
In order to assure the proper function of the
emission control systems, it is
recommended that you have your car
inspected and maintained by an authorized
Hyundai dealer in accordance with the
maintenance schedule in this manual.
Caution for the Inspection and Mainte-
nance Test With Electronic Stability
Control (ESC) system
o To prevent the vehicle from misfiring
during dynamometer testing, turn the
Electronic Stability Control (ESC) sys-
tem off by pressing the ESC switch.
o After dynamometer testing is com-
pleted, turn the ESC system back on
by pressing the ESC switch again.
H010C01S-AAT2. Evaporative Emission Control (In-
cluding ORVR: Onboard Refueling
Vapor Recovery) SystemThe Evaporative Emission Control System
is designed to prevent fuel vapors from
escaping into the atmosphere.
(The ORVR system is designed to allow
the vapors from the fuel tank to be loaded
into a canister while refueling at the gas
station, preventing the escape of fuel
vapors into the atmosphere.)

10
INDEX
2
A
Advanced Supplemental Restraint (AIRBAG) System
(SRS)..................................................................................1-34
Curtain airbag .................................................................1-45
Driver's and passenger's front airbag ............................1-35
Occupant classification system ......................................1-40
Side impact airbag .........................................................1-44
Air Cleaner Filter ................................................................6-11
Air Conditioning
Care.................................................................................6-18
Operation............................................................ 1-101, 6-18
Switch............................................................................1-101
Antenna ............................................................................1-110
Audio System
Audio remote control switch ...........................................1-94
CD (PA710S) ................................................................1-119
CDC (PA760S) .............................................................1-131
Radio, Set up, Volume control (PA710S, PA760S)
........................................................................... 1-115, 1-128
Running i-Pod (PA710S, PA760S) .................. 1-125, 1-139
Using USB (PA710S, PA760S) ........................ 1-123, 1-135
Automatic Heating and Cooling Control System ............1-104
Automatic-Dimming Mirror with Z-Nav™ Electronic Compass
Display and HomeLink
®
......................................................................................
1-77B
Battery .................................................................................6-24
Binding Arbitration .............................................................8-17
Brake
Anti-lock brake system (ABS) .........................................2-12
Checking the brakes ......................................................6-17
Fluid.................................................................................6-17
Pedal clearance ..............................................................6-21
Pedal free-play ...............................................................6-20
Practices..........................................................................2-15
Breaking-In your New Hyundai ........................................... 1-3
C
California Perchlorate Notice ............................................5-10
Care of Discs ....................................................................1-114
Catalytic Converter ............................................................... 7-3
Center Console Compartment ...........................................1-74
Child Restraint System ......................................................1-26
Installing a child restraint system with
"Tether Anchorage" system ...........................................1-28
Securing a child restraint system with
"ISOFIX" system .............................................................1-29
Child-Protector Rear Door Lock .......................................... 1-6
Cigarette Lighter ................................................................1-66
Climate Control Air Fiter ........................................ 1-109, 6-19
Clock...................................................................................1-66
Clutch
Pedal free-play ...............................................................6-21