Hi all, I have been following the posts for the last few days, I just haven't had time to respond. Ok, so now I know that Techstream Lite and PriiDash are software and not hardware, that should help with the cost. It's too bad there are no iPad apps, it'd be nice to be able to plug my iPad into the data port and mount my iPad on the dash to monitor all of that information. I really was hoping to avoid reinstalling Windows on my MacBook Pro but from the sounds of things, that's what I'm going to have to do. Do you think it would be worth it to give the dealership another shot? Is there any one in the Sac area who can recommend a different Toyota dealership that might be more helpful and can do something more than just a "health check?" What about the Bay Area? I'd hate to have to make the 2ish hour drive, but I will do it if there is a good dealership there. If not, then I will pick up the software (I'm leaning towards PriiDash because Techstream Lite seems a bit overkill) and run some tests and report back here with my findings.