Thank you. I find these forums incredibly useful. I have service manuals for all of my cars and any more prefer them on disk.
Since 1995 all cars have had ODB-II with makes having instruments available easily and cheaply possible. Saw an advt today for a 7" Android 4.1 tab for $60. Add a $12 dongle and a $5 app and you can have something like this:
Be glad to show how (can do the same with my smart phone but to be visible am limited to six parameters per screen and have multiple screens (also sat-nav and a copla thousand songs but that's for a different thread.