Brother in law bought new 06 chevy crew cab a couple of weeks ago. Just got around today to installing his alpine 9835 and sirrius tuner pac. This truck is a pain in the butt. Everything went smooth as silk using digistar interface for onstar and door chimes. Door panes were a different story. Removing the door panes is much different then my 02. Instead of two 7mm screws holding panel on you have to deal with two 7mm screws one by door pull like older truck other under door lock slider (thats the one that threw me) one torx head on back of panel and one push clip at the front of the panel. Window, mirror and lock panel is not removable with door panel on. And the best part you need 3 sets of hands just to remove the wire modules from the switches. Put my old infinity 60.5 components in the stock locations. I told him if our cousin asked who put his in just not to say it was me, cuz I wont do another one for free. The local alpine dealer quoted him around 250 dollars to install including the digistar adaptor, dash kit and antenna adaptor. This install took me about 3 and a half hours. Major pain in the butt. I wouldn`t do it labor for what they wanted. Just happy he doesn`t want anything else in there.