Leon Mk1
| Air flow in the heating / air conditioning unit |
| A - | Fresh-air intake |
| q | Through the fresh air intake ducts in the engine compartment and in the vehicle interior, and also through an air duct fitted below the bonnet. |
| B - | Interior air intake (air recirculation function) |
| q | Through the passenger side footwell zone |
| C - | Fresh-air turbine -V2- |
| D - | Dust and pollen filter |
| E - | Evaporator |
| q | Only on vehicles equipped with air conditioning |
| F - | Heat exchanger |
| G - | Supplementary heating element -Z35- |
| q | Provided for vehicles with diesel engine; assembly depends upon equipment. |
| H - | Towards aerators on windscreen |
| J - | Towards aerators on instrument panel |
| K - | Towards aerator in footwell / driver's side |
| L - | Towards rear seat aerators, footwell area |
| M - | Towards aerator in footwell / passenger side |
| 1 - | Fresh-air flap |
| q | Displayed in “closed” position |
| 2 - | Air recirculation flap |
| q | Displayed in “open” position |
| 3 - | Temperature flap “1” |
| q | Displayed in “heater” position |
| 4 - | Central flap |
| q | Displayed in “open” position |
| q | Given the shape of the two exterior flaps, when the central flap is closed, air can reach the aerators |
| 5 - | De-icing flap |
| q | Displayed in “closed” position |
| 6 - | Footwell area flap |
| q | Displayed in “closed” position |
