2004 Chevy 1500 z71 will not turn over to start

What is your question?

Batterie is good. Truck will not turn over to start. Plus when I unlock truck from key chain the back up lights come on. Driver side door locks work but not passenger side now. But when I push lock at passenger door the back up lights go off. Also couple of times when I put key in igishion the horn honked can not fegure it out. Can someone have a answer for me

How long has your 2004 Chevrolet Silverado 2500 HD had this problem?

Just did it couple days ago