What if you forget to put the oil cap back on and drive?

If you forget to put the oil cap back on and drive, oil may spill out of the engine, leading to a drop in oil levels and potential engine damage due to inadequate lubrication. This can cause overheating, increased friction, and ultimately, serious engine failure. It's important to regularly check oil levels and inspect the engine for leaks, especially after performing maintenance. If you realize the cap is missing, stop driving immediately and replace it to prevent further damage.