Add Yahoo as a preferred source to see more of our stories on Google. Yep, rats can move in under your hood. Here's how to protect your car and avoid a huge repair bill Rats are taking refuge in cars, ...

This article was originally published on www.mentalfloss.com as The Most Rat-Infested Cities in the U.S., Ranked.

Chk-chk-chk-chk-chk-chk-chk. That's the sound my car made on repeat when I pressed the start button. Like a machine that wanted to turn on but could not muster the energy. Was the battery dead?