According to the manual, the heated seat switch/module (05097522AA) is required x2. I thought it was one unit, so why would it be listed that way? Also, the local stealership told me this was on a national back-order with 15 people waiting. Can I even get a new part? the entire time I've had my car, the heated seats haven't worked at all. The switches light up correctly, but none of the elements in either seat make any heat. I can only assume that both the elements and module are fried, as if one breaks, it seems to take the other down with it? I tested the harness going into the module and it says to replace with a new switch. I really want heated seats for this coming Montana winter and I'd appreciate any help and knowledge that I may have missed.