Computer settings in Tach...
 

I read it in the manual that I can access more computer features, like MPG and all of that in the digital screen display in my RPM Tach.
In the manual it says to press the cruise control down 2 times or up once, and it will appear...I don't know if I am doing something wrong...But it's not showing up.

Anybody have some more info on this topic that might be able to help?
I have a 2000 Porsche boxster.

Any help is greatly appreciated.
Thank you so much.

_Dean