Let me know how it goes if you do the install...hope it is fun because I sure would like to have the remote start feature as winter is right around the corner.I have a simple Bulldog model in my garage.(I thinks it does power locks and remote start only) Its been sitting in the box for over a year. I want it on the Sierra so maybe I should do a little DIY install. Little solder here, little tie wrap there. Might be fun.