I once had a similar concern when storing my classic Mustang for the winter. I tried those ultrasonic pest repellers, hoping they'd do the trick, but unfortunately, they didn't seem to make much of a difference.

However, I've heard mixed reviews from others. Some swear by them, while others say they're not effective. It might depend on the specific pests and your car's environment. You could give them a shot, but it's always good to have a backup plan.

If you're looking for more insights, I stumbled upon this site https://pestcontrolcompanies.net/ while researching pest control solutions. They might have some helpful tips or alternative methods to consider.