https://www.consumerreports.org/cars/car-maintenance/how-to-protect-your-car-from-rodents-a5816950285/
Peppermint oil and cayenne pepper are reported to deter rodents. Note that spray products will need to be reapplied routinely, because they can wear away and rinse off. Honda rodent-deterrent tape

https://www.cars.com/articles/how-to-keep-mice-and-rodents-out-of-your-car-461884/
Besides pre-packaged ones, the most recommended seem to be peppermint oil (which can be sprayed around), cedar (long known to repel moths; Western Red cedar is recommended in particular), cloves

https://pestpointers.com/tips-to-protect-car-wiring-from-mice/
Here are 7 tips to help protect your car wiring from mice: Remove any food from your car. Mice are attracted to food sources, so keep your vehicle free of crumbs and leftovers. Avoid parking in tall grass or wooded areas. These habitats are more likely to harbor rodents looking for a cozy spot to nest.

https://www.safeandsanitaryhomes.org/stop-rodents-chewing-car-wires/
Have Wire Mesh Cover the Engine Bay. When damage to your car wires becomes significant, you may want to try out some modifications by introducing a wire mesh cover to your engine bay. Car technicians should help out with that. The purpose of this is to keep rodents from returning to the engine bay. These are some of the effective ways rodents

https://cars-engine.com/blog/how-to-keep-mice-out-of-cars/
Clean Your Car Regularly. Keep your car clean and free of food debris. Vacuum the interior and dispose of any trash promptly. For example, regularly vacuuming under the seats and in the trunk can prevent food crumbs from attracting mice. Seal Entry Points. Inspect your car for any potential entry points and seal them. Mice can enter through

https://www.vehiclescene.com/how-to-keep-mice-out-of-cars/
Follow these guidelines if you've found signs of mice in the engine compartment: Disconnect the battery, and make sure your engine is cool. Manually remove any nesting material (e.g. shredded insulation). Wipe down the accessible areas with a sponge soaked in disinfectant, or disinfectant wipes.

https://www.indyautoman.com/blog/how-to-keep-mice-out-of-your-car
Close your car windows and park in the sun. Alternatively, turn up the heat in the car for a few minutes. The increased heat might persuade the mouse to vacate the premises. We recommend carrying out a comprehensive treatment of the interior after you get rid of the rodents.

https://pestpointers.com/ways-to-keep-mice-out-of-your-car/
Keep the doors closed to prevent rodents from entering and seeking shelter in your car. Open the hood of the vehicle. This makes it less appealing to rodents as they prefer dark, hidden spaces. Place traps inside your vehicle. If mice do find their way in, the traps are a proactive measure to catch them. 2.

https://predatorguard.com/blogs/news/how-to-stop-rats-mice-and-other-rodents-eating-car-wiring
Instances of rats, mice, and other rodents eating car wiring is on the rise. Learn how to deal with these pests without traps. Wild rats, mice, and other rodents have been a nuisance to humans for a very long time. However, in recent years, the number of instances in which rodents are eating car wiring has increased drastically. In June of 2017, ABC6 even did a news piece on a large number of

https://www.mikeshawsubaru.com/service/information/stop-rodents-eating-car-wires.htm
Here are four ways to keep rodents out of your car, courtesy of the experts at Mike Shaw Subaru in the Denver metro area. 4. Leave The Hood Open. Pests like mice and rats like to nest in warm, concealed areas, which is why the engine bay of your car can be an appealing option for them. One way you can reduce how much shelter your car provides

https://axleaddict.com/auto-repair/Mice-in-Your-Motor
Make your engine and its entrances smell bad, at least to rats. Motorists have had success with peppermint oil, powdered fox urine, used cat litter, cat hair, dog hair, Pine-Sol, Irish Spring soap, red pepper, and laundry dryer sheets. The people who make Rataway tell you to spray it on all the wires in the engine. Do not let the car sit unused.

https://pestsource.com/mouse/car-protection/
Essential oils: Similar to peppermint oil, other essential oils like clove or cayenne pepper can repel mice. Dryer sheets: Tuck dryer sheets under the seats or in the trunk.The scent may help keep mice away. Seasonal Preventive Measures. Different seasons may require unique approaches to keep mice out of your car.

https://ranwhenparked.net/how-to-keep-mice-out-of-stored-cars/
Mothballs can also deter mice, however, they are toxic and should be used with caution. Dryer sheets placed inside the car can ward off rodents as well. For outside the car, sprinkle cayenne pepper or sulphur around the vehicle's perimeter. These substances irritate rodents' senses and discourage them from approaching.

https://www.mikeshawsubaru.com/service/faqs/learn-how-to-keep-rodents-from-destroying-vehicle-wiring.htm
Other, somewhat-less-natural solutions include parking the car over a container of mothballs, using peppermint oil to keep pests away and anti-rodent tape. Anti-rodent tape can be used to seal up gaps and protect your vehicle's wiring harness. It's laced with capsaicin -- the chemical that puts the burn in spicy foods -- so, if a rodent does

https://drivinvibin.com/2023/01/24/mice-out-of-engine/
The check engine light on your dashboard can illuminate for various reasons. When mice build nests in the engine compartment, they can severely restrict the airflow to the engine. A lack of air will cause the engine light to come on and likely send you straight to a mechanic. Ideally, a mechanic will remove the obstruction and fix the problem.

https://pestpointers.com/ways-to-protect-your-car-and-engine-from-mice/
Tea tree oil has a strong scent that mice dislike. Mix tea tree oil with water in a spray bottle and spray it in the car to deter mice. Cinnamon. Low. Mice dislike the strong scent of cinnamon. Place cinnamon sticks in the car to deter them. Cayenne Pepper. Low. Mice dislike the spicy scent of cayenne pepper.

https://bluejayinspections.com/protect-your-vehicle-the-dangers-of-mice-damage-to-car-wires/
Seal Entry Points: Inspect your vehicle for potential entry points where mice can sneak in, such as gaps around wiring harnesses or openings in the engine bay. Seal these gaps with wire mesh or foam. Regular Inspections: Periodically inspect your car's engine bay for signs of mouse activity, such as nesting materials or chew marks on wires.

https://www.farmersalmanac.com/keep-mice-out-car
Yeecch! When they slip inside, they can also do a lot of damage to upholstery as they chew and nest. And it's not the healthiest of situations, either: mice, rats, and other rodents can carry disease—nasty bugs like hantavirus, salmonella, and leptospirosis, among other things. If there happens to be a nest in or near the car's air filter

https://www.hagerty.com/media/maintenance-and-tech/tips-to-keep-mice-out-of-stored-cars/
4. Mothballs. "The ultimate prevention to mice invasion, or any other rodent invasion, is the good, old-fashioned mothball. By the first of summer the mothballs are gone. By opening up the car and taking a few rides, the smell is gone as well.". "This is the second winter I've tried Bounce, in the car and under the hood.

https://www.capitalone.com/cars/learn/finding-the-right-car/how-to-keep-mice-out-of-your-car/2919
Your engine remains hot after turning off, temporarily giving mice the warmth they seek. If possible, park away from spots that attract rodents, such as garbage cans. Parking inside a garage with the windows closed might lower the risk of a rodent invasion. Also, keeping your car's interior clean of food or food wrappers will give mice less

https://www.phoenixtransmissionshop.com/can-mice-damage-your-vehicle/
Mice in your vehicle, can cause damage and issues. Mice can chew on wiring, insulation, and air filters, causing them to need replacing and impacting the integrity of your vehicle. They also can create a strong foul odor in your car due to the smell of their urine coming in through the car's vents. Once inside, mice may chew and nest on

https://www.reddit.com/r/MechanicAdvice/comments/x9bt96/tricks_to_keeping_mice_out/
Have peanut oil on their feet to prevent them from jumping out. You have the choice to dispatch them. Chunks of dry ice . Lid with a small hole and the vacuum cleaner. Put a lid on it and take to a friend with pet snakes. Forest a long way from any crop fields of restaurants. 6.