http://ecomodder.com/forum/showthrea...uge-18431.html
see this link.
my thoughts:
1. needs to be in the same line of sight as your dash. If you are looking somewhere else you will be distracted or not use it.
It's like a video game. you want to continually look at it to 'see your score'!
2. needs to be firmly mounted. so when you push a button it doesnt move.