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Discussion Starter · #1 ·
We love our 2016 HRV except for one problem. I have caught 11 mice inside the car, mostly in the spare wheel well. I tried to visually find a hole by using a light from both inside and outside the car on a dark night. No luck through the firewall or anywhere near the wheel well. I'm sure we aren't bringing the mice into the car and never leave the windows or doors open while we're not near it. I realize this is kind of a weird problem. Any ideas out there where the mice might be getting into the car?
 

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I will check the cabin air filter closer than my usual cursory look. I'm not sure how they would get from there to inside the car though. A local Honda Dealer found a mouse nest in the intake about a year ago. I thought they took steps to prevent it from happening again, but perhaps I was misinformed? The last nest we found was in the wheel well for the spare tire. The car sits idle in our garage from December through March while we're gone, which is when we have most of the problem.
 

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Discussion Starter · #5 ·
Is this problem in a garage? Personally, I would get a cat
Yes,it's kept in a garage when not used. Perhaps it's time to leave it outside? A friend has offered to loan us a cat that is a good mouser. We can't get our own for several reasons. We've managed to reduce the mouse population outside the car with bucket and other traps, but have not been able to completely stopped them from getting inside the car.
 

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Get oil of peppermint and saturate cotton balls or similar and leave them in the problem areas. A friend used to do this for his BMW sports car when it was stored in a barn winters.
 

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Discussion Starter · #7 ·
Thanks, I'll try that. Peppermint is much better smelling than moth balls, which I've been told also work. One thing that doesn't work is original Irish Spring bar soap, which a friend suggested. The mice love chewing on it! Deterrents are good, but the ultimate fix is to find where the mice are getting into the car and fixing that.
 

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No, find out where the mice are getting into the garage and fix that! If they’re out if the garage, they stay out of the car.

Exterminators get paid to solve vermin invasions. Hire one to clean up the nests and secure your garage from mice coming in.
 

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I will check the cabin air filter closer than my usual cursory look. I'm not sure how they would get from there to inside the car though. A local Honda Dealer found a mouse nest in the intake about a year ago. I thought they took steps to prevent it from happening again, but perhaps I was misinformed? The last nest we found was in the wheel well for the spare tire. The car sits idle in our garage from December through March while we're gone, which is when we have most of the problem.
Mice will chew a hole in plastics/paper/foam etc. look to see if the cabin air filter has a small hole ~3/8" in it. Only other place i can think of is there is a drain hose (ends under the car) in the AC to drain out condensate water, it is large enough for a mouse to crawl up and into the heat/AC system. If they build a nest in there it will be big trouble with mouse piss smell.
 

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You might also set traps around the outside of the car to get them before they get in. I have had great success with the spring loaded traps baited with peanut butter.
 

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We had an issue with rats biting our wiring! 2018 EX parked outside in NYC. Our Honda tech said it's an issue with the coating used on the wires that they like and there's an area that serves as a nook under there in HR-V's ?. He made it seem like it was an issue specific to HR-V's but I'm not sure. Had to buy a spray from Autozone to spray the tires and under the hood.
 

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Rabbits are also attracted to that coating on automotive wiring. It is not unique to Honda. The Denver airport has had issues with rabbits eating through cars parked in their long term parking out in the past.
 

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It's definitely not just a Honda problem. From what I understand, Honda and Toyota both use a soy-based plastic to coat the wires. It doesn't have a smell to attract rodents, but it doesn't deter them either. My wife drives a Prius C, and both our cars had a problem with rats earlier this year (they were nested under our neighbor's dead trees).

Also, trivia time: My dad told me when we were dealing with that, that the German Panzer in World War 2 had a nasty problem of tanks getting completely shut down because rats chewed the wires! (Not sure if it's true, but I've since heard it corroborated.)

My advice is get an electric rat trap, bait it right, and check it twice a day. Poisons take several days to kill, but the electric traps are pretty much instant.
 

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We love our 2016 HRV except for one problem. I have caught 11 mice inside the car, mostly in the spare wheel well. I tried to visually find a hole by using a light from both inside and outside the car on a dark night. No luck through the firewall or anywhere near the wheel well. I'm sure we aren't bringing the mice into the car and never leave the windows or doors open while we're not near it. I realize this is kind of a weird problem. Any ideas out there where the mice might be getting into the car?
I truly feel for you because I gave up my beloved 2015 FIT because mice took over and made a huge nest in the headliner. I discovered this when the car was just 4 months old. They crawled up the window pillar along the airbag channel , ate through the wiring and went into the headliner. The problem was I had BIRDFEEDERS nearby and they had a food source. I discovered birdseed in the overhead lights and that was the giveaway. The dealer was amazed at the size of the NEST. Had replace headliner, side air curtain, phone wires, overhead wiring , etc. total cost of $4,500. Fortunately I had good insurance with a $250 deductible. But...they came back I tried the Peppermint and herbal bags, even an electronic device you connect to the car battery that is supposed to emit a sound to deter them..but it didn’t work. It was a nightmare.
this was a Lease car and several months later I noticed more Birdseed In the rear wheel
well and then saw they’d chewed wiring on rear tail light. I had taken the birdfeeders down but apparently they stashed food all through the car. Oddly it never smelled. A wildlife specialist told me that once they pick up the scent of others they may continue to come back. short of completely DISINFECTING the entire car. Also, HONDA uses some type of
SOY based wire wrap that attracts them.
I had planned on buying my FIT at the end of the lease as it only had 11,500 miles and I really loved the car but I was afraid it was infested. I turned it in and got a 2017 HR-V
which was a mistake for me because it’s just too big for me. It hard to get in and out of because I’m short and have bad knees and there is a lack of convenient storage like the
FIT. I am coming to the end of the lease on this HRV and it’s only got 10,567mi and no
rodents!
 

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We love our 2016 HRV except for one problem. I have caught 11 mice inside the car, mostly in the spare wheel well. I tried to visually find a hole by using a light from both inside and outside the car on a dark night. No luck through the firewall or anywhere near the wheel well. I'm sure we aren't bringing the mice into the car and never leave the windows or doors open while we're not near it. I realize this is kind of a weird problem. Any ideas out there where the mice might be getting into the car?
I have the same problem in my 2018 HRV. i found signs once again today and i may just trade it in. Did you find a solution to this?
 

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Yes,it's kept in a garage when not used. Perhaps it's time to leave it outside? A friend has offered to loan us a cat that is a good mouser. We can't get our own for several reasons. We've managed to reduce the mouse population outside the car with bucket and other traps, but have not been able to completely stopped them from getting inside the car.
My 2018 HRV sits in my driveway. I've had several mice at different times. In all my life, i have never had mice in my vehicles. Ive tried peppermint. it doesnt work. Ready to trade it off because i found signs again today.
 

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The mice are likely entering through the rear vent. It's located at the bottom of the driver's rear fender, just behind the bumper. Yes, you'll need to remove the bumper to get to it.

#35 in this image... https://www.hondapartsnow.com/resou...1/medium/3e9bec504f88b754eabaa9760be9c168.png

If you can get to it, maybe try covering it with super fine chicken wiring or "hardware cloth fencing" like: Everbilt 1/4 in. x 2 ft. x 5 ft. 23-Gauge Galvanized Steel Hardware Cloth-308231EB - The Home Depot. If you can find 1/8" for cheap, even better.

Just make sure it's not pressing on the vent itself and preventing it from working... or you may find the interior less pleasant than normal.
 
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