What year? Series 2 etc had a few more switch's your could press, and I believe in a lot of cases companies would build the first series to have all the features, but they don't install the switch (save's in product cost and then they could market a new an improved version). Now I could be talking a load of rubbish.
Two I know of in the NC is the Sun roof switch and lock switch (next to the aerial switch).
NC Fairlane 5Ltr Twin Stainless Steel 2.5", Air Induction