2011 Hyundai Sonata climate control

495
Features of your vehicle
Fan speed control
The fan speed can be set to the desired
speed by turning the fan speed control
knob.
The higher the fan speed is, the more air
is delivered.
Pressing the OFF button turns off the
fan.
Air conditioning
Push the A/C button to turn the air condi- tioning system on (indicator light will illu-minate).
Push the button again to turn the air con-
ditioning system off.
WARNING
Continued climate control system operation in the recirculated air
position may allow humidity to
increase inside the vehicle which
may fog the glass and obscure
visibility.
Do not sleep in a vehicle with the air conditioning or heating sys-
tem on. It may cause serious
harm or death due to a drop in the
oxygen level and/or body temper-
ature.
Continued climate control system operation in the recirculated air
position can cause drowsiness or
sleepiness, and loss of vehicle
control. Set the air intake controlto the outside (fresh) air position
as much as possible whilst driv-ing.
OYF049126OYF049166

497
Features of your vehicle
For maximum defrosting, set the tem-perature control to the extreme
right/hot position and the fan speedcontrol to the highest speed.
If warm air to the floor is desired whilst defrosting or defogging, set the modeto the floor-defrost position.
Before driving, clear all snow and ice from the windscreen, rear window, out-
side rear view mirrors, and all side win-
dows.
Clear all snow and ice from the bonnet and air inlet in the cowl grill to improveheater and defroster efficiency and to
reduce the probability of fogging up theinside of the windscreen. Manual climate control system
To defog inside windscreen
1. Set the fan speed to the desired posi-
tion.
2. Select desired temperature.
3. Select the or position.
4. The outside (fresh) air will be selected automatically. If the position is selected, air conditioning will also be
selected automatically.
If the air conditioning and/or outside(fresh) air position are not selected auto-
matically, press the corresponding button
manually.
WINDSCREEN DEFROSTING AND DEFOGGING
WARNING - Windscreen
heating
Do not use the or position during cooling operation in
extremely humid weather. The dif-
ference between the temperature ofthe outside air and that of the wind-screen could cause the outer sur-
face of the windscreen to fog up,
causing loss of visibility. In this
case, set the mode selection knob
or button to the position and
fan speed control knob or button to
the lower speed.
OYF049129

Features of your vehicle
98
4
To defrost outside windscreen
1. Set the fan speed to the highest posi-
tion.
2. Set the temperature to the extreme hot position.
3. Select the position.
4. The outside (fresh) air and air condi- tioning will be selected automatically. Automatic climate control systemTo defog inside windscreen
1. Set the fan speed to the desired posi-
tion.
2. Select desired temperature.
3. Press the defrost button ( ).
4. The air conditioning will be turned on according to the detected ambient tem-
perature and outside (fresh) air posi-
tion will be selected automatically.
If the air conditioning and outside (fresh)air position are not selected automatical-
ly, adjust the corresponding button man-
ually. If the position is selected,
lower fan speed is adjusted to a higher
fan speed.
To defrost outside windscreen
1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot (HI) position.
3. Press the defrost button ( ).
4. The air conditioning will be turned on according to the detected ambient
temperature and outside (fresh) air
position will be selected automatically.
If the position is selected, lower fan
speed is adjusted to a higher fan speed.
OYF049131OYF049132OYF049130

499
Features of your vehicle
Defogging logic
To reduce the probability of fogging up the inside of the windscreen, the air
intake or air conditioning are controlled
automatically according to certain condi-
tions such as or position. To
cancel or return the defogging logic, do
the following.Manual climate control system
1. Turn the ignition switch to the ON posi-tion.
2. Press the defrost button ( ).
3. Whilst holding the air conditioning but- ton (A/C) pressed, press the air intake
control button at least 5 times within 3
seconds.
The indicator on the air intake button
blinks 3 times with 0.5 second of interval.
It indicates that the defogging logic is
canceled or returned to the programmed
status.
If the battery has been discharged or dis-
connected, it resets to the defog logic
status. Automatic climate control system
1. Turn the ignition switch to the ON posi-
tion.
2. Press the defrost button ( ).
3. Whilst holding the air conditioning but- ton (A/C) pressed, press the air intake
control button at least 5 times within 3
seconds.
The indicator on the air intake button
blinks 3 times with 0.5 second of interval.
It indicates that the defogging logic is
canceled or returned to the programmed
status.
If the battery has been discharged or dis-
connected, it resets to the defog logic
status.
OYF049133OYF049134

7
Engine compartment / 7-2
Maintenance services / 7-3
Owner maintenance / 7-4
Scheduled maintenance service / 7-6
Explanation of scheduled maintenance items / 7-13
Engine oil / 7-16
Engine coolant / 7-18
Brake/clutch fluid / 7-21
Power steering fluid / 7-22
Washer fluid / 7-23
Parking brake / 7-24
Air cleaner / 7-25
Climate control air filter / 7-27
Wiper blades / 7-29
Battery / 7-31
Tyres and wheels / 7-34
Fuses / 7-44
Light bulbs / 7-55
Appearance care / 7-62
Emission control system / 7-68
Maintenance

Maintenance
6
7
SCHEDULED MAINTENANCE SERVICE
At least once a year:
Clean body and door drain holes.
Lubricate door hinges and checks, and
bonnet hinges.
Lubricate door and bonnet locks and latches.
Lubricate door rubber weatherstrips.
Check the air conditioning system.
Check the power steering fluid level.
Inspect and lubricate automatic transaxle linkage and controls.
Clean battery and terminals.
Check the brake (and clutch) fluid level. Follow Normal Maintenance Schedule if
the vehicle is usually operated where
none of the following conditions apply. If
any of the following conditions apply, fol-
low Maintenance Under Severe Usage
Conditions.
Repeated short distance driving.
Driving in dusty conditions or sandy
areas.
Extensive use of brakes.
Driving in areas where salt or other corrosive materials are being used.
Driving on rough or muddy roads.
Driving in mountainous areas.
Extended periods of idling or low speed operation.
Driving for a prolonged period in cold temperatures and/or extremely humid
climates.
More than 50% driving in heavy city traffic during hot weather above 32°C(90°F).
If your vehicle is operated under the
above conditions, you should inspect, replace or refill more frequently than thefollowing Normal Maintenance Schedule.
After 96 months or 120,000 km (80,000miles) continue to follow the prescribedmaintenance intervals.

Maintenance
10
7
NORMAL MAINTENANCE SCHEDULE (CONT.)
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.* 8
: Manual transaxle fluid should be changed anytime they have been submerged in water.
Number of months or driving distance, whichever comes first
Months1224364860728496
Km×1,000153045607590105120
Steering gear rack, linkage and bootsIIIIIIII
Driveshaft and bootsIIII
Tyre (pressure & tread wear) IIIIIIII
Front suspension ball jointsIIIIIIII
Bolt and nuts on chassis and bodyIIIIIIII
Air conditioner refrigerant (if equipped)IIIIIIII
Air conditioner compressor (if equipped)IIIIIIII
Climate control air filter (if equipped)RRRRRRRR
Manual transaxle fluid (if equipped) * 8II
Automatic transaxle fluid(if equipped) No check, No service required
Exhaust systemIIII
MAINTENANCE
INTERVALS
MAINTENANCE ITEM

Maintenance
12
7
Severe driving conditions
A : Repeated short distance driving
B : Extensive idling
C : Driving in dusty, rough roads
D : Driving in areas using salt or other corrosive
materials or in very cold weather
E : Driving in sandy areas F : More than 50 % driving in heavy city traffic during hot
weather above 32°C (90°F)
G : Driving in mountainous areas
H : Towing a trailer
I : Driving for patrol car, taxi, commercial car or vehicle tow- ing
J : Driving over 140 km/h
K : Driving over 170 km/h
Maintenance itemMaintenance operationMaintenance intervalsDriving condition
Driveshaft and bootsIInspect more frequently
depending on the conditionC, D, E, F
Manual transaxle fluid (if equipped)REvery 120,000 kmC, D, E, G, H, I, K
Automatic transaxle fluid (if equipped)REvery 100,000 km A, C, D, E, F, G, H, I, K
Climate control air filter (if equipped)RReplace more frequently
depending on the conditionC, E