campass box
The answer to your question is magnetism.
No, it was invented by the Chinese almost 2000 years ago.
My understanding it is located in the bulbus module behind the rear view mirror
I assume you man campus but alas you have failed to mention which country, state or even county. So sadly, this question can never be answered.
well I know that they did not use Viking ship designs. 3======D 0:
Dr. Seuss thought far outside the box with his books. This caused some what a issue with publishers but once his books where made public he grew into one of the biggest authors in history.