This is just one of the cool features of Torque, an app for Android phones and tablets. I think it will work better on a tablet simply because of the amount of additional real estate it has to offer. This increases readability of all the dials enormously. The current family car isn’t exactly fast and if I still had my previous car there would not have been an OBD connector in it as it was way to old to have one. I bought one of those cheap Chinese ELM327 bluetooth OBDII dongles from DealExtreme and it does the job. It is able to read all kinds of data from the cars ECU, also when driving as such the above remark. Most cars which are younger then 10 years should have a OBD connecter within 1 meter of the drivers seat, usually somewhere under the dashboard, at least that’s were mine is. Will explore more features of this app as it has logging capabilities and even the possibility to reset error codes although this is more for my brother after he has serviced the problem which caused it in the first place……