One points up and one points down. I can turn all day and the lights don't move. I understand how it works but. . .Anyone with any tips to offer on the task at hand?? Things to watch out for? Last thing I want to do is go breaking bits off. I'll be knurling the knobs in the morning to see what I can get to . New to the w123 and car maintenance in general but learning fast and loving this vehicle.

Thanks in advance.

Tom