One of the most expensive things any consumer will purchase is a car and outside of buying a home, an automobile is often the highest price possession a person will own. Therefore it is important to take care of an automobile with regular maintenance so as to help it maintain its value. In addition, taking care of a car at home between maintenance schedules will help to keep it in good condition. People who are not trained as a car mechanic can use things like car polisher, power-steering fluid, coolant, and tire pressure gauges to keep a car shiny and healthy.