Their 'tech center' web page has the links
here.
Handheld Controller Feature Definitions is what defines what all the 'stuff' is. Very useful.
Also, take advantage of the data logging. You can turn it on from the 'dashboard', then turn it off before you shut down. The display can then be disconnected from the car and then connected to your PC with the included cable. The log files will be in there as excel tables, and you can open and see what stuff was doing real-time.