As the mileage increases, the vehicle and its electronics are put under greater environmental and functional stresses. The environmental loads vary according to a country's location. For instance, there are cold and dry countries that have developed traffic infrastructures that cause less vibrations and temperatures to be applied to the vehicle, as well as hot and humid countries with poor road conditions. The use case also differs; in urban areas, "stop and go" tends to stress electronics more than smooth, long rides in rural areas