Regular vehicle maintenance helps optimize the performance, reliability, safety and durability of the car, while ensuring a good resale value. Through regular vehicle inspections and maintenance, the overall performance of the vehicle can be optimized. Periodic maintenance is a strategy that requires maintenance tasks to be performed at set time intervals while the vehicle is operational. Similar to scheduled maintenance, periodic maintenance activities are planned ahead of time and are performed with or without signs of deterioration. At least every 5,000 miles, check and refill your fluids. These include: Changing the oil. Checking brake, coolant and/or antifreeze, transmission, washer and power steering fluids