No Heat for Kia

Have a 2000 Kia Sephia, turned on heat this a.m. but,no heat only cold air, also the windshield was covered with a film. Whats the problem? Need to get it working as, it is getting cold outside. Please help!:frown: :banghead:

Pluged Heater Core????

took it to Kia, the problem was a wire not working, said need to replace the hvac control panel. Thanks for your reply!:)