DEFROSTER NOT WORKING

Just Recently When I Turn On My Defroster, Air Blows Out Of The Front Vents Instead Of The Top Vents. When I Switch To The Front Vents The...

My A/c And Heat Only Work Out Of The Defrost Vents On Low Or High Speed But Nothing Out Of The Floor Or Front Fascia Vents. Could This Be...

The Fan Blows Air Cannot Control The Flow Of Air When Selecting Floor Dash Vents Or Defrost. No Flow Is Changed, It Seems To Be In Defrost...