Ford changed a few models to OAT, then backed away from it. VW, Audi, and Porsche are OAT users, too, but most others have resisted. Instead of OAT, most new cars now use a hybrid antifreeze that's formulated with both OAT and the silicate inhibitors from green (Japanese hybrids have different inhibitors). It comes in too many colors to pretend this type is color-coded.
Previously the USB port on the back of the device was locked down and couldn't be used for storage devices, but thanks to the recent updates, additional storage space can easily be added via a USB flash drive. Note that this update is for the Fire TV box only.
The Fire TV remote with the built-in mic will work with the Stick, but you'll have to buy it as a $30 option. Find the right model for you with our Streaming Media Player Buying Guide and Ratings. Like other stick-style players, Fire TV plugs into an HDMI input on the back of your TV.