Changing your car's oil and filter is an important maintenance service, as it prevents major engine failure. Engine oil is used to lubricate all the internal moving parts and help cool the engine.

Brake pads provide the friction to slow your car and are an important safety measure. Regular maintenance and replacement of brake pads is essential to your driving safety.

Car batteries serve the same purpose as a battery in your remote control: it powers it. Without a properly functioning battery, your car will have no electrical power and will be unable to start.

Diagnosing why a car won't start involves investigating several components, including testing the battery and the connections to the starter, the fuel and fuel pump, and the engine spark.