Porsche 928 1979 Owner's Manual page 31

Heating/ventilation/air conditioning
controls
1 - defogging/defrosting nozzles
shield
2 - defogging/defrosting vents for side w i n -
dows
30
3 - air vents for
(cooled air from air conditioner)
for w i n d -
4 - air outlet nozzles f o r foot wells
5 - air nozzle
(cooled air from the air conditioner)
passenger compartment
inside glove compartment
The vents in the center console are only for
cooled air from air conditioner.
Each individual vent outlet is adjustable to
permit the regulation of air flow within the
vehicle.