What is the most effective method to prevent mice in cars?

[SamuelDella]

You can place some mothballs in the corners around the car. The odor released by the mothballs can help repel mice. Purchase a bottle of rodent repellent and spray it around the vehicle tires and on the ground beneath the car engine. If mice have entered the car, be sure to check whether the car's interior is damaged and whether the wiring or pipes in the engine area have been compromised. Keep the car clean at all times, remember to close the doors when getting in or out, and avoid leaving snacks like sunflower seeds, peanuts, or potato chips in the car, as these are favorites of mice.