Ventilation

The air distribution system provides fresh air ventilation for the passenger compartment in all operating modes. Even in the OFF mode, the forward movement of the vehicle forces fresh outside air into the air distribution system.

After the air is warmed or cooled to the desired temperature, the air is discharged from the outlets appropriate to the selected operating mode. When all of the windows are closed, the addition of outside air builds a slight positive pressure within the passenger compartment. The pressure forces stale air to leave the vehicle through a pressure relief valve.