To get it to shut off, I have to unplug the radio fuse from the driver side fuse relay inside the cab. I want to post an anecdote regarding a successful repair of my 2009 Silverado that had the same symptoms - the radio would not shut off and dome light would not turn on when exiting the vehicle after shutting the engine off. _W.customerLocale = "en_US"; This process relies on a switch in the door jamb that opens when you open the door and closes when you close the door. The radio stays on even after you open and close the door - you can even close everything, lock via the fob and the radio stays on. }}\"\n\t\t{{\/membership_required}}\n\t\tclass=\"wsite-menu-item\"\n\t\t>\n\t\t{{{title_html}}}\n\t<\/a>\n\t{{#has_children}}{{> navigation\/flyout\/list}}{{\/has_children}}\n<\/li>\n","navigation\/flyout\/list":"