Some tunnels where I live explicitly instruct you to adjust your AC before entering.
I’m allowed to adjust anything within arms reach as long as I keep my eyes on the road.
It is my responsibility to familiarize myself with the controls before departing so I can do so.
You should have configured your AC before you started driving.
I haven’t had windows fog up during a drive spontaneously since forever ago when AC became standard in even cheap vehicles since they dry the air.
You’ve never driven in a humid tunnel, or live in a place with changing weather do you?
Oh I do, we have almost 200 days of precipitation yearly, and temperatures fluctuating wildly between days all seasons of the year.
Some tunnels where I live explicitly instruct you to adjust your AC before entering.
I’m allowed to adjust anything within arms reach as long as I keep my eyes on the road. It is my responsibility to familiarize myself with the controls before departing so I can do so.