As Lexx says, if you have the cradle in the arm rest then all you need is the adapter
Mine has worked with all nokia's, HTC's and iPhones
Cant comment on the Win7 Phone
how about this one as you like grey - and with a bulge bonnet - yes on a 370!
http://www.yarisworld.com/forums/showthread.php?t=37055
Does not look like a Yaris to me
Looks stunning... if it was me though the bonnet would be the same colour as the rest of the car
P.S... not many pic of kitted roadsters about ....looking for inspiration