[cisasteelersfan]

What's interesting is that sun exposure through a car window removes almost all UVB rays and most UVA rays. So it's closer to comparing lower sun exposure vs sun exposure with sunscreen.

[apt-apt-apt-apt]

Dangerously incorrect, side car windows do not remove most UVA rays.

[setopt]

If I recall correctly, the side windows on cars let through more UVA, while the front windows block both efficiently.