There is no need to get crazy here.

You will need a Metra VW10 and VW20 adaptors to convert the antenna leads to the correct connectors.

The Drive+Play has a wireless FM transmitted but the output is limited by FCC and since our radios have a dual diversity tuner if you have stronger radio stations locally it will focus on that more than the signal from the Drive+Play. Therefore ...

Add the FMT1 hard wired FM module and make sure to connect it in the right direction. The Drive +Play has some control over this units so make sure an installer does not try to use some other companies units that might "look" like it is the same, it is not.