A3 Mk2
| Air intake and air outlet openings |
| 1 - | Intake of fresh air |
| 2 - | Intake of air from passenger compartment (in air recirculation mode) |
| 3 - | Outlet to front right footwell vent |
| 4 - | Outlet to right dash panel vent |
| 5 - | Outlet to centre dash panel vents (left and right) |
| 6 - | Outlet to left dash panel vent |
| 7 - | Outlet to front left footwell vent |
| 8 - | Outlet to (dash panel) defroster vents |
Note| Heater air distribution housings with a flap in the air outlet to the dash panel defroster vents with no side recess were gradually introduced as of November 2007. On vehicles with no air conditioner (heater only) or with manually controlled air conditioner (not automatically controlled), this modification to the flap has no influence on regulation of the heater and manually controlled air conditioner (the flap is only actuated by way of the setting on the controls of the heater or manual air conditioner) → Chapter. |
| 9 - | Outlet to rear right footwell vent |
| 10 - | Outlet to rear left footwell vent |
| 11 - | Outlet to vent in rear centre console |
| q | Currently sealed with a plug. |
| q | Introduction of vent in centre console not yet finalised. |
| 12 - | Outlet to vent in rear centre console |
| q | Currently sealed with a plug. |
| q | Introduction of vent in centre console not yet finalised. |