Using the hepa filter

[PeterOT]

Today we were driving down the freeway in our new Cybertruck when we came across a lot of smoke from a nearby grass fire. As we have done before in our other Tesla cars, we turned on the bio defense mode to keep the smell of the smoke out. However, as we passed through the smoke, we could definitely still smell it. I also could tell that we didn't seem to have a positive air pressure in the cabin. It was as though the truck was still pulling air from outside.

Has anyone else experienced this?

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[cardad]

In my experience with the freeway and some strong wind the doors seemed to billow so I think it is entirely possible that the “seal” just can’t overcome certain speeds where the air is being forced into the panel gaps (which are quite large). After this happened I was thinking about how you might create a magnetic flap to seal that up ? and improve the aero as well.

 

[XCeilidhX]

Today we were driving down the freeway in our new Cybertruck when we came across a lot of smoke from a nearby grass fire. As we have done before in our other Tesla cars, we turned on the bio defense mode to keep the smell of the smoke out. However, as we passed through the smoke, we could definitely still smell it. I also could tell that we didn't seem to have a positive air pressure in the cabin. It was as though the truck was still pulling air from outside.

Has anyone else experienced this?

HEPA filters won’t take out the entire smell nor will they remove VOCs (volatile organic compounds). Your filter isn’t malfunctioning. It took out what it could but there are things in fire smoke that HEPA alone cannot remove.

We had to buy a special filter for VOCs for our home with many rounds of California wildfires. They aren’t cheap. The only decent home unit that does it that I know of costs at least $1200 for the initial purchase and the VOC component filter replacement is like $250 plus.

I do not believe anyone makes VOC filters for auto systems but if someone knows of a place that does feel free to chime in.

FWIW.

Cheers

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