Aux. Gauges

[Stevehose]

fresh air from outside, it can be mixed with heat to keep you warm but still have fresh air coming in on der autobahn. Or no heat and just fresh air on a nice spring day cruising der Alps.

So what does the big grill on the Non AC cars do? Is that the cabin intake? My ignorance is really shining in this thread! The difference between looking at parts and Internet research versus driving the car...