To check for your car's engine oil, pull the dipstick out and check the color of the oil. If it is still golden or amber, it does not require any changing. However, if it is black or brown, it requires changing. Another way to check is to pop your bonnet and locate the dipstick. For more ways to check your engine oil. do head over to https://www.motorist.sg/article/169/how-to-check-the-engine-oil-in-your-car