gps

Hi All! I am new to the forum, but this is my second Corolla. I am on the hunt to replace the head unit in my S Plus. I bought a new old stock in November, and the salesman told me I could get XM and Entune apps on my stock radio. WRONG. So I currently have an aftermarket Pioneer head unit in...

My Corolla came with a standard radio and I wanted to upgrade to factory navigation so I bought a used factory nav unit from a reseller. The basic installation went according to plan (I had to wire in my own GPS antenna) but was hoping that the head unit itself would be plug-and-play using the...