Should the car be warmed up before an oil change?

[LaAshlyn]

It is recommended to warm up the car before changing the oil. Precautions for changing car oil: 1. Open the oil cap and pull out the dipstick; 2. Lift the car up, if there is a drain screw, drain the oil, if not, use an air compressor to extract the oil; 3. Replace the oil filter, wait for the oil to drain completely, then tighten the drain screw, lower the car, add new oil, check the oil level with the dipstick, close the cap, and reinsert the dipstick; 4. Start the engine and check for any oil leaks at the drain screw and oil filter. Steps for changing oil: 1. Unscrew the drain plug located under the engine; 2. Remove the dipstick to facilitate oil drainage; 3. Wait and tilt the car body if necessary until all the oil is drained; 4. Tighten the drain plug, which has a filter screen and sealing ring on the nut; 5. Add new oil, and in winter, use antifreeze oil.