When should I put oil in my car? Is there a specific interval at which I should monitor the oil level, or does it vary depending on my driving habits and the type of engine I have? Could you elaborate on how often I should be checking the oil dipstick, and are there particular signs or symptoms that indicate my vehicle is in need of an oil top-up? Additionally, might temperature fluctuations and the season influence when I should replenish the oil? What about the type of oil I should use—does that play a role in determining how frequently it should be added? Is it advisable to consult the vehicle’s owner manual for guidance, or are there more universal rules of thumb that can be applied across various makes and models? Ultimately, what factors culminate in making the decision of when to put oil in my car essential for maintaining optimal engine performance?