hey does anyone know do we need to keep the stock radio if we got nav.I heared that we need to keep stock radio if we got nav is that true.Or does anyone got a aftermarket indash monitor with nav.I need some help with this i am looking to change it out but someone told me if i got nav i need to keep stock radio so nav can work.So please help if you know this answer thanks.

 

A lot of people have an aftermarket HU with nav.