By "track" do you mean a hillclimb course as opposed to a circuit?
Sorry, for misleading. It is a public road used for hill-climb-races...
But still LOCKED for 'knewit'. I haven't opened this puzzle, as he is very near the solution
Stefan and Rossfeld
Yes, correct! This is the complete answer.
This puzzle is a repost, but I found worth to post it, as the rear view of this car may lead to many different suggestions
