I know the regulars know this, but for others:
Please clean the snow and ice from your car before driving. First of all, that is illegal in some states, and second, you can cause an accident when the ice blows off your roof and hits another vehicle.
When you are driving in bad conditions, such as fog or rain, turn on your headlights.
I was twice hit by chunks of ice this morning. I don’t think it scratched my windshield, but it could have.
And driving through patchy fog, I noticed very few vehicles with headlights on, perhaps only 1 in five. Yes, there were lots of driving lights, but that is not the same thing, as they do not turn on the taillights.