Hyundai Sonata LF Owner's Manual page 245

Auto defogging system
(only for automatic climate
control system, if equipped)
Auto defogging reduces the possibil-
ity of fogging up the inside of the
windshield by automatically sensing
the moisture of inside the windshield.
The auto defogging system operates
when the heater or air conditioning is
on.
i
Information
The auto defogging system may not
operate normally, when the outside
temperature is below -10 °C.
When the Auto Defogging
System operates, the indi-
cator will illuminate.
If higher level of moisture are sensed
in the vehicle, the Auto Defogging
System will operate in the following
order:
Step 1 : Operating the air conditioning
Step 2 : Outside air position
Step 3 : Blowing air toward the wind-
shield
OLF044260
Step 4 : Increasing air flow toward
the windshield
Step 5 : Maximizing the air condi-
tioning
If the air conditioning is off or recircu-
lated air position is manually selected
while Auto Defogging System is ON,
the Auto Defogging System Indicator
will blink 3 times to signal that the
manual operation has been canceled.
To cancel or reset the Auto
Defogging System
Press the front windshield defroster
button for 3 seconds when the igni-
tion switch is in the ON position. The
front windshield defroster button indi-
cator will blink 3 times and the ADS
OFF will be displayed on the climate
control information screen.
i
Information
• When the air conditioning is turned
on by Auto defogging system, if you
try to turn off the air conditioning, the
indicator will blink 3 times and the air
conditioning will not be turned off.
• For efficiency, do not select recircu-
lated air position while Auto defog-
ging system is operating.
NOTICE
Do not remove the sensor cover
located on the upper end of the
driver side windshield glass.
Damage to system parts could
occur and may not be covered by
your vehicle warranty.
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