I use moth balls in my enclosed snowmobile trailer. tried dryer sheets one year and all they did was use it to insulate the condo they built in the air box of one of my sleds.
I also keep a Rat Zapper in my garage at all times. There are times (usually late fall/early winter) when I will catch as many as one mouse per day or more and other times (typically summer) when I may only get one per month. It keeps the population down considerably.
Another key is to keep food sources like bird feeders away from the house and any stored feed in mouse-proof containers. I like to use small garbage cans.
I have two, neither work.
Food is stolen, sensor is tripped, no mice in them.
Edit;
I have raticators...first kill was today. Possible suicide.
+1 on the bucket trap. Filled with antifreeze kills the smell of dead mice. Used in my stored RV.
This is how Honda powers the Insight. Customer brought in it because it was a little down on power.
did you check the air cleaner housing?
This is how Honda powers the Insight. Customer brought in it because it was a little down on power.
How does one adopt an owl? I'd love to have one around here.
Always used Irish Spring soap in cars that were in storage. We never had mice in them.
YMMV
You were just lucky.

A simple Victor mouse trap has always worked fine for me. I take a pair of pliers and squeeze the hook that holds the rod so that it goes off with the slightest movement. And regular American cheese is what I use for bait. I put them along the wall so that they close toward the wall. That way the mouse will get caught from either side. They have always worked very well for me.
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If you really want to know how bad your problem is staple 2 of the large plastic rat glue traps and 2 of the smaller plastic mouse glue traps to a piece of scrap wood to form a closed perimeter that completely surrounds a stapled package of green rat poison pellets (they love the stuff). The end result is not pretty, but very effective. Unfortunately this only treats the symptom, not the cause, but it’s a good start toward getting a nasty situation under control.
Find a Product online or if your in a rural area at the Farm supply. product is called Cab Fresh, made to be put into tractors and other equipment put in storage. Keeps the mice, odor repels them but it does not smell bad to humans. Stuff works all the time. it is just a large scented bag you lay inside the cab and under the hood, in trunk etc.
