Keeping mice out of vehicles. Who has tips or tricks?

[KFhunter]

What do mothballs smell like?

You're on fire today Sky......LOL

[SpurInSpokane]

I had quite a bit of success putting a shock trap in my car. No poison, uses double-A batteries, and the dead mouse is right there for you to see and know you got 'em. Can bait them with practically anything.
We also put a bunch of glue traps around the garage, but they just caught bugs and my shoes a couple of times.
Didn't have a problem this winter, but past years I caught 5-10 mice out of the car with the shock trap.

[Kittman]

I had the same problems with rats getting on top of the engine in my car and chewing on the wires going to each coil pack on the hemi.  I put new electrical tape around the affected wires, then went to the auto parts store and bought a bunch of 3/8" convoluted plastic tubing & small zip ties and completely covered any wiring that looked at risk for an additional layer of protection from the vermin.  I actually had to replace a couple pieces after several years due to them attempting to chew through the old tubing.

Last rat doing his business under the hood of same car made an un-repeatable mistake when I started the car one morning for work last fall and when I went put the car in drive...no power steering-derailed the serpentine belt.  I found his azz wrapped around the power steering pulley. 

[jackmaster]

Put a dryer sheet in your heater vents and air intake

[2labs]

Cayenne pepper works great!

[Stump]

I spray the engine wiith simple green every few seeks. Don't know why but it works. When I don't mice show up.

[Redstar]

https://www.amazon.com/gp/aw/d/B00L236OMW/ref=yo_ii_img?ie=UTF8&psc=1

This has been surprisingly effective for me. My truck and the wife's car had mice issue this winter. I put one pouch in the cab and one under the hood in Dec, no more mice.

We also put these in our garden shed in Dec. and haven't had to empty/reset the mouse traps since.

The trap in the woodshed tho... I've upgraded to a water bucket and we have mice almost daily.

[Night goat]

What about those ultrasonic rodent repellers, run an extension cord under the hood with one of those plugged in....

Peppermint oil works

Dryer sheets work

Cats work... Sometimes....When the want.....If..... They....Want to...

Try taking a leak around your rig?

[Jerry malbeck]

Eastern washington farmer here Irish spring soap does not work ( I have seen them eat it) peppermint oil does not work, Dryer sheets do not work . What works traps its the only thing that will for sure get them out of a Rig, tractor, combine, swather ETC. Peanut butter on the trap ,usually works over night. Sometimes takes a couple of days .Do not use bait in a vehicle, It will cause them to hide and stink up your vehicle. Been dealing with rodents for years, traps work.  

[Skillet]

Don't have any preventative tips, but I can be an asset if you have an infestation.  So I got that going for me, which is nice.

[Ebell]

Have you had a mouse die somewhere in the air system of your vehicle?  We're experiencing that now in my wife's RAV4 and it hasn't been enjoyable. I can't locate it. The little bugger got to the air cabin filter, treated the glove box like his own personal jungle gym and has since perished somewhere deep inside.  The smell is diminishing now but it could also be due to all the cover scents we've applied.  We're now using the Irish spring soap and fabric softners to prevent a repeat occurrence. Traps have been set in the garage and I'm getting about 4 a week.

[lamrith]

It has been a bad year for this.  I have 3 of my vehicles that show signs of nesting on the engine.  Thankfully no chewing of wires yet that I have seen.  I have put out traps and got nothing.  Moved a vehicle yesterday and got one.  not sur if a belt, fan, or tire got him, but was dead on the driveway. 
Useless dog just sniffed it and walked away, as did the cat.

[Okanagan]

Feel for you but don't know how to keep them out.  I set multiple traps at first sign of mouse in garage and usually get the critter(s).

Had a mouse get in my vehicle at a trailhead while I backpacked in BC up near the Yukon border.  He stayed in the rig for several days of travel and stops, chewing into food bags and chewing up stuff in the glove box and finally hopped out in WA State though I never saw him.  He was probably bewildered by the change in climate and I probably broke some law about importing animals.

[KFhunter]

I got two cats, it's worked wonders on the mouse problems.  I hardly feed them anymore and they're both very healthy looking, no more mice in the vehicles or getting into animal feed....but the cats do come with their own problems, I try to remind myself that the cat problems are less than the mouse problems 

[lamrith]

This makes two in three days.  Started a different vehicle and heard the telltale crunch as it fired up.  moved it and sure enough a big fat mouserat on the driveway.  Thing was pretty healthy.

The frustrating part is I had trap in the 1st vehicle for days parked 20ft away and never anything.  Now 2x in a row near the house.  Seems like they are just in this one spot.    Moved vehicle #1 back where it was with first victim and set trap in it (has more places to put a trap).  use it as a hunting blind as it were..  Dirty filthy rat ba5tards.