Park the car on level ground
Turn off the engine
Wait 5 to 10 minutes for the oil to settle
Open the hood
Locate the dipstick
Pull out the dipstick
Wipe it clean with a cloth or paper towel
Reinsert the dipstick fully
Pull it out again
Check the oil level against the marks on the dipstick
Add oil if the level is below the minimum mark
Recheck the level after adding oil
Close the hood securely