inputs.text: cant complain price - ive installed 2013 silverado 2500hd months factory onstar xm radio work fine unit lost door chimes reason stated not deal breaker though navigation takes 20seconds load longer units install amazingly easy since factory style replacehement took 20 min installoverall would recommend product wanted touchscreen nav like vehicles didnt want spend 1k price unit steal major improvehement stock nonnav radio identical carshow stereo sells 1kpros pricecons touch menus little slow respond outdated navigation take 20sec load maps lost door chimes