As seen here in the 'Material' section of the review, my keyfob is ruined. Why wouldn't I just buy another keyfob, you ask? Unfortunately they are running about $100 on eBay. Not only that, but I've had problems with this unit for a while now. It gives me warning chirps all the time.....so much so that I often don't even set the alarm anymore. I'll be buying from Travis (KCAutoSound) again. I love his pre-wiring options and installation instructions. I am going to email him and find out if he would be willing to send me the instructions for the 5901 installation to see what I would need to change from the CA-671 installation. Between work and whatnot I'd prefer to get everything ready beforehand so it's a somewhat-simple swapping of systems. He normally doesn't give out the instructions unless you buy the unit, but hopefully since I've already purchased one (somewhat faulty) unit from him, he will be willing to make an exception. Will keep you guys updated as I get into preparation/ordering/installation phases.