In my 2015 GC4P I constantly get cold air blowing into the driver’s side footwell, no matter how the heating is set. It’s coming from an oval flange on the side of the heater box. I’ve been to a dealer and they can’t tell me what the flange is for. Does anyone here know?
Photo here:
https://app.box.com/s/i426zbekce0ppciu6mq6wfvorj8x7qpq
Photo here:
https://app.box.com/s/i426zbekce0ppciu6mq6wfvorj8x7qpq