There is also a middle ground. You don’t have to prepend your message with several sentences of fluff, but asking a question instead of stating your message can be much better receives. Just stating facts may sound like an accusation and especially if your analysis is not correct it makes your message poorly received.
The question does not specify where you or the car are. It specifies only that the car wash is 50 meters away from something, possibly you, the car, or both.
I self-host a git site to keep my code private and to integrate an issue tracker. The maintenance effort is very low. I'm running Gitea on my local network Ubuntu server.
I live in Germany, and here the houses generally don't have machine ventilation so one has to air manually and regularly. As an example: earlier today I closed the door to my office (ca. 18 m2 / 194 sqft). The window was closed. After 2 hours the CO2 levels rose from 935 ppm to 1966 ppm. Letting air in for 20 minutes reduced the CO2 levels to 869 ppm.
I got the Netatmo Smart Indoor Air Quality Monitors. They are somewhat expensive, but I got a good deal, 69 EUR a piece. They also monitor temperature, air humidity and noise levels.
CO2 sensors for every room in my apartment. Before monitoring the CO2 levels I did not realize the relation of tiredness, mental fatigue and high CO2 levels.