Preventive maintenance is important for keeping a car running smoothly and prolonging its lifespan. Some types of preventive maintenance that should be performed regularly include changing the oil and oil filter, checking and replacing the air filter, rotating the tires, checking and replacing the brakes, and inspecting the belts and hoses. It is also important to regularly check and maintain the car's fluid levels, such as the coolant, transmission fluid, and power steering fluid. Additionally, it is a good idea to have the car's battery tested and replaced if necessary. By staying on top of preventive maintenance tasks, you can help prevent costly repairs and keep your car running smoothly.