
Solutions for cockroaches in a car: 1. Cockroach spray: Spray cockroach spray into the corners of the car, then close the windows and wait for a day to kill the cockroaches. However, this method is not long-lasting, and chemical products are somewhat harmful to the human body. Note that after using the spray, ensure proper ventilation before entering the car, and clean up the dead cockroaches. 2. Cockroach bait or gel bait: Place some cockroach bait or gel bait in areas where cockroaches might appear, such as door gaps, under seats, or in the trunk, to act as a lure. Be cautious to prevent children from touching or ingesting it.

My car also had a cockroach problem last month, attracted by kids' snack crumbs. Try spraying food-grade insecticide in the crevices of the floor mats, close the windows for two hours then ventilate. Vacuum up any bread crumbs hidden under the seats, and spray some peppermint alcohol on the pulled-out cabin air filter. Best to pick a hot day to park the car under direct sunlight - high temperatures can kill insect eggs. Never leave food in the car normally, take drink bottles when exiting, and remember to wipe down the spare tire compartment in the trunk. I later bought an ozone sterilizer and use it weekly - haven't seen cockroaches for three months now.

My friend just dealt with this annoying issue, and here's the proven effective method: First, use a car vacuum to thoroughly clean every nook and cranny three times, focusing on the seat rails and dashboard gaps. Buy a few packs of mothballs, crush them, and sprinkle them between the carpet layers. Place boric acid mashed potatoes in the center console as bait. When parking, make sure to tightly close the external air circulation switch to prevent bugs from crawling in through the AC ducts. Wipe areas where cockroaches have crawled with lemon water—the sour smell disrupts the scent trails they leave behind. And engrave this iron rule into your brain: never eat takeout in the car.

Straight to the point: Take it to an auto repair shop to remove and clean the seats—steam cleaning at 200°C is most effective for crevices. For DIY, place cockroach traps near the gas pedal and replace them every three days. Focus on checking the stack of insurance papers in the glove box—last time I found a nest hidden in a traffic ticket. Spray hairspray on the speaker grille under the rear windshield; the adhesive can trap larvae. Remember to remove the spare tire during seasonal changes—the wheel rim grooves are full of cockroach droppings. If all else fails, call pest control—they have a condensation aerosol treatment that eliminates the problem in two hours.

Don't panic when this happens. My experience is to first seal the door gaskets tightly with tape. Buy a UV ozone lamp, plug it into the cigarette lighter, and leave it on overnight—ozone can penetrate the AC evaporator box. Pay special attention to the holes around the steering column; it's warm there and a favorite spot for cockroaches. Empty all storage compartments, even wipe down coins—metal surfaces with cockroach pheromones attract new pests. Keep a bottle of eucalyptus essential oil in the car long-term; every time you turn on the AC, the refreshing scent fills the car, deterring cockroaches. Turn off the AC five minutes before parking to let the condensation in the pipes dry out; without moisture, cockroaches can't survive long.


