I came across this article, and I thought it might be helpful for someone. It could also be a good title for a movie. A scientist is transporting hundreds of poisonous spiders in his Honda Fit, and they escape from their enclosures!

https://www.wikihow.com/Keep-Spiders-Out-of-Your-Car

 

I get spider webs in my back window, and when I get in the car, sometimes there's a web hitting my face as I sit.

 

when i had those window visors on my GD i left the windows cracked open during da day and ended up with a spider inside da car.

he was stupid enough to be in my view so i opened da door and knocked im off da door panel and gave him a nice luving squeeze with a twist..

 

Very unpleasant.

 

I get spider webs on my rear wiper blade. Don't really mind though. Thought it might discourage people from looking into the rear window
Car break-ins are really common around SF, especially near the touristy areas....