recirculation

I'm having issues with my A/C smelling, so looking online and other threads here, my plan was to: 1) Turn on A/C 2) Spray cleaner/disinfectant into the intakes 3) Open doors and windows and let it run for 20 - 30 mins As a quick test I tried the A/C without recirc (i.e. direct outside air) and...

After I filled up my car, drove off, and was driving for a little while...i noticed my Recirculation button light was on. Now, i don't know when it came on, but this is when I NOTICED it was on. I tried pressing it a few times to see if it would turn off, as I assumed it worked like the A/c...

Happened all of a sudden while parked for about 15 minutes. REC Light comes on, but when you hit the REC button, or Max-AC (which automatically goes to REC) it's restricted, like the duct door isn't functioning. ? Mechaical -or- Electrical ? Thanks