Set the outside/recirculated air mode button to outside air mode if recirculated air mode is used.

to
To defog the windshield and the side windows early, turn the air flow and temperature up.
Adjusting the settings
Air outlets and air flowProblem symptoms table (2006/01- )
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
Front seatback heater
Inspection
Inspect front seatback heater assembly
lh
Measure the resistance of the seatback heater.
Standard resistance
If the result is not as specified, replace the seatback
heater assembly
Inspect front seatback heater assembly
rh
Hint:
Use the same procedures desc ...
Parts location
System diagram
...