For trailer wiring you would have to visit a Kia dealer since there are no confirmed aftermarket fits.
Curt trailer hitch # C11019 is the only trailer hitch that fits your 2011 Kia Forte Koup. This is a Class I trailer hitch so any accessories that you use, bike racks or cargo carriers, would have to be rated for use with a Class I trailer hitch.
Also, if using the hitch for any non-trailer load (bike racks and cargo carriers) Curt says you have to use stabilization strap # 18050 for... view full answer...
I checked with Kat's and the cartridge heater they recommend for the 2012 Kia Fourte Koup with a 2.4 liter engine is the part # KH11812. view full answer...