i just found something to override the nav lock out on my 2012 also unlocks xm features & dvd in motion. just installed last week & works like a charm.
yeah i already tried that from nav tv they have alot of bugs to work out.. this one is from pac nu-gm-4 works great have been messin with it for 1.5 weeks now & nothing goofy.look around i pd. $149.00 on line video in motion enter address in motion also more xm features in motionAnd you couldn't share with us what brand and model? Tsk, tsk.
BTW, if it's a Coastal Tech unit, you could spend years reading about issues with them