Hello, im planning on installing the android auto car play on my Canadian 2014 mazda3 gt that i buy new ... lot a years ago were do you suggect me to buy the kit?, amazon? 130$can, infotainment.com 330$can, or mazda dealer $$$? my software version are 55.xxx...... can i go right up to 74? thank you for all your answers!, i think i saw that all the download links are no more public!. Sorry for my english its not my forst language!