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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater, Diagnosis - 911 CARRERA (996) >> System H 01 >> General information >> Function of auto recirculation

Function of auto recirculation

At outside temperatures of > 26 °C, following an initial system ventilation time of 30 seconds, the program switches to recirculation mode in order to accelerate the cooling phase.