OK - just had a quick look at a couple of the pics - should be a cover over the distributor cap - protects it from dirt/moisture .
The upper switch is the air-con switch : in the up position it acts as a dehumidifier when using the demister function of the heater / down is for air-con ; the switch below is for recirculation and operated a vacuum actuated flap .
Anything else you need to know - just ask .
Very nice car by the way ; I like them - I have two