<human>:  What are the steps of changing oil in a car?
<bot>: 
1. Prepare to change the oil
 • Gather necessary supplies such as oil, a new oil filter, a wrench, and a drip pan.
2. Lift the car
 • Place jack stands under the car to lift the car off the ground.
3. Remove the oil cap
 • Locate the oil cap and twist it off the engine.
4. Drain the oil
 • Place the drip pan under the oil plug and remove the plug with the wrench, then let the old oil drain.
5. Replace the oil filter
 • Remove the old filter and wipe away the old gasket with a cloth. Apply oil to the new gasket and install the new filter.
6. Replace the oil plug
 • Clean the threads of the oil plug, then apply new oil to the plug threads. Replace the plug and tighten it with the wrench.
7. Add new oil
 • Fill the engine with the correct type and amount of new oil, then replace the oil cap.
8. Dispose of the old oil
 • Take the used oil to a recycling center and follow the steps to recycle or dispose of the oil.