Isopropyl smell upon start up (Heater core?)

[SupraYYJ]

Yes, but where's the cabin filter location, I've looked and can't find it. Searched the web, nothing. Real simple on my 2018 4runner limited. Open the glovebox, and flip down a flap and there it is.

It's above the passenger footwell, where they usually are, but you need to remove the cover at the top of the footwell, pull off a drain hose, undo two Torx screws, and release two clamps to get the thing out.

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[ala_alshaikh]

Hey everyone, earlier today when I started my car there was a strong smell of isopropyl alcohol like it was burning my nostrils. The smell went away after a few seconds. But after letting the car sit for an hour or so and starting it up again, same smell came out of the air vents. Coolant level is fine, so is brake fluid. Any idea what it could be? I’m currently at 30k miles. Maybe heater core?

hello, my 2021 GR suddenly has similar issue. suddenly bad smell started coming out of the ac vents and at first it was like burnig plastic electrical wirrs, then it became lieke some sort of alcohol. did you figure out what was the issue ?