Human: How to do an oil change on a car? Assistant: 

1. To start, park the car on a flat surface and make sure the engine is switched off.
2. Locate the oil drain plug beneath the car and place an oil catchment container beneath it.
3. Unscrew the oil drain plug and allow the oil to drain from the car.
4. Replace the oil drain plug, ensuring it is tightened correctly.
5. Open the hood of the car and locate the oil filter.
6. Remove the oil filter and use a clean rag to clean the surface it sits on.
7. Place a new oil filter onto the surface and screw it into place.
8. Pour in new oil and check the level with a dipstick.
9. Replace the oil dipstick and close the hood.