If you want to get rid of spiders in the car, start to bring it a complete cleaning - throw out all garbage, food remains, dust, the web, and exterminate other small insects. Make sure that there is no under the hood and in the trunk. If the spiders do not wish to leave the cabin, use insecticide sprays that can kill insects on contact – we have collected the most popular of them in our review of the best roach killers.