1. Check your oil level.
Make sure it's at the recommended level as indicated in your owner’s manual.
2. Change your oil filter.
This is an important step, as a clogged or dirty filter can lead to decreased performance and increased fuel consumption.
3. Replace the old oil with fresh, clean oil.
Use the recommendations outlined in your owner’s manual for the correct type of oil for your vehicle and check that you are using the proper type for any cold-weather conditions you may be experiencing where you live.
4. install a new drain plug gasket or washer.
Replacing this part helps to ensure there are no leaks once you have changed out all of the fluids and parts related to an engine tune-up or rebuild job.
5. Make sure all other fluid levels are also checked.
Check the brake fluid, transmission fluid, power steering fluid, coolant, and any other fluids necessary to ensure that your vehicle is running properly.
6. Check belts and hoses for signs of wear.
Cracks or fraying could indicate an imminent failure if not replaced promptly; likewise watch out for leaks around hose connections which could signal a problem with one of the components connected there (eg: radiator hose).
7. Clean off any dirt/grime build-up.
This helps to minimize corrosion and also allows parts and components to work more efficiently.