I had to smile at the discussion of arctic air coming in through
those center vents. I have the opposite problem with my "new" TQC.
It's been unseasonably warm the past couple days even for a southern
California winter. No matter what I do with the climate controls, I
get HOT air from the SIDE dash vents, like it's coming straight off
the engine. I was blasting the air conditioner to counteract it,
then finally just shut off those outside vents. What gives?