when I turn knob to change where the air comes nothing moves? on 2001 Hyundai Elantra

When I change the know for the heat/air to move wheren the air flow comes out (feet, vents, deforst) nothing will change, it stays in the same location.

by in Canton, OH on September 22, 2011
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1 answer
ANSWER by , September 22, 2011
Likely a controller or linkage problem or blend door prob. Try this site for some help. www.hmaservice.com Hyundai tech service Same info factory trained techs use.