I put a 32 gb class 4 in mine and it works fine.
The only time I ever had any trouble with using a class 4 card is when I tried to use it in a 3d high definition video camera. It couldn't keep up with the data writing.
A normal class 4 shou...
Theres an app called foxfi that lets you do a hotspot on your phone for free on a stock phone if you dont want to root etc...
Unless you go for a data plan for your tablet your going to need some secondary device to get online, either a phone ...
I use my Droid X2's mobie hotspot and it picks it up just fine. My tablet is stock/nonrooted.
I bought it from buy.com for 200.
Came pretty quick, they used fed-ex
Tablet came in a white box, marked as refurbished. In it was just the tablet wrapped in bubble wrap and the AC adapter.
Tablet looked like new, It didn't have any scr...
If you check ebay and search "your car here" navigation. See what pops up for dash kits for your car.
I have a soul so I cant say whats out there for other cars, but I bought one like this