Hey guys...i have keyless entry already on my truck but i want to put a Factory Remote Start system on my truck due to being up at 4 am to go to work now...and its damn cold at that time when i have a 35 min ride to work...what i was wondering is if any one know what i would have to do for putting this in...if i would have to get ride of the old system or put some kind of bypass or something on it??? heres one i found on ebay for a pretty good price...Please let me know..thanx

http://cgi.ebay.com/New-In-Box-Facto...QQcmdZViewItem