well assuming heat works and with you have signals all ready then all you need to buy is the mirror assembly that's signal/heat/puddle. Your mirror cover off your current mirror will work. List is on the mirrors is $245ish, but i'm trying to get my manager to work on those prices if there is enough guys interested in buying them.
2013 Oxford White ST3
2012 Sonic Blue Hatch ---> Sold
|FSwerks Stealth Catback||Steeda Cold Air Intake|
2003 Dark Shadow Grey ZX3 ---> Sold
2000 Silver Frost ZX3 ---> Totaled