Porsche carrera gt-2004 Manuel D’Utilisation

Controls, Instruments

95

f Press knob B.

The windshield and side windows are demisted 

or defrosted as quickly as possible.

The air only flows to the windshield and the 

side windows.

The symbol in the switch lights up red.

When the defrost function is switched on, the 

following also takes place:
– the door mirrors are heated,
– whenever outside temperatures exceed 

approx. 37°F/3°C, the air-conditioning 

compressor is switched on,

– if circulating-air setting was switched on, it will 

be deactivated.

f Press knob B again to end the defrost function.

f Press knob C.

The outside-air supply is interrupted and only 

the inside air is circulated.

The symbol in the switch lights up red.

up.
f Only select circulating-air setting for short 

periods.

f If the windows fog up, end air-circulation 

setting immediately by pressing the knob again 

and press the knob B so that the windows will 

be vented.

Note on operation
If the air conditioning compressor is switched off 

or for vehicles without air conditioning, the circu-

lating-air setting is limited to 3 minutes.

f   f   f

Defrosting windshield and side 

windows

Switching air-circulation setting 

on and off