What's up guys, I have a stock tC and I've noticed that in the winter time, you can feel the cold air coming from the side of the front seats.
This also happens in the storage spot in front of the shifter. It's Winter time in Jersey so I'm trying to get this fixed ASAP.

Any ideas on what could cause this?

Thanks guys.
-Eddie

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Hello, did you got this car used? Maybe the previous owner ran some power wire for their sound system, and he damage or moved the engine bay grommet.
( I was lazy and move that grommet to ran my cable the first time. I feel cold wind coming to my legs in the Winter time. )

Put your head near the gas and brake pedals, look up. You should see this



You might just need to move that back in place to cover the hole.

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Speaking of firewall grommets, might also want to check for the ECU grommet behind the glove box.

You could also pull the radio trim panel to see if the air vent still has the foam seal.

If it's ripped off, dry rotted, etc, you could probably replace it with commercial window stripping.

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Turn off your air condition seats.

 

Either the previous owner tampered with something, or a seal fell off / crumbled away.
I hope you find the issue soon and let everyone know!