Thanks
@EVnut. I tested with the same IQair monitor and was only able to get down to the 30's after a 10 minute drive, with outside @ 120 µg/m³. I have a June build. That's not the problem...
What I suspected, but could never quantify was the CO2 implications in a near-completely sealed car. After driving with recirculate ON for the past couple weeks and leaving the windows UP while in the garage...IQair reported CO2 @ nearly 1900 ppm (while outside was 550 ppm).
My recommendation is that folks leave their windows down/cracked while parked, if possible, to air out the CO2.
Some other observations...
- The car will automatically close the outside vent (i.e., enable recirculate) after a couple of minutes while parked and off. You can check that by looking into the vent under the hood, you'll see a curved pipe casually move to close the intake.
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@brkaus, from the looks of the intake vent under the hood, it looks like the Model 3 passes all air, recirculated and fresh, through the filters.
- @e-WTF, if you last had recirculate on, it should resume that way, unless you change driver profiles, where it will restore that driver's settings. At least that's what mine does with v42.3.