It's a fairly simple process that, if done about every 3,000 miles (or three months, depending on how frequently you drive), can protect and maintain your car's innards. Just follow these steps and you'll save yourself a few greenbacks and finally know the satisfaction of lying on your back covered in grease ... minus the stigma attached to doing so in your bedroom.

It's a fairly simple process that, if done about every 3,000 miles (or three months, depending on how frequently you drive), can protect and maintain your car's innards. Just follow these steps and you'll save yourself a few greenbacks and finally know the satisfaction of lying on your back covered in grease ... minus the stigma attached to doing so in your bedroom.

1 Get set up

Oil-changing essentials are a socket wrench set, an oil pan, a new oil filter, fresh oil and something to jack up your car. Wheel ramps are probably the safest bet for elevating, giving you plenty of room to do your business from beneath.

2 Rev it up

Before you get started, let the engine run for about 10 minutes. The oil will drain better if it's warmed up a bit. Drive onto the ramp and put the car in park (or first gear if it's a manual).

3 Drain the main vein

Use your socket wrench to unscrew the drain plug, located under the car near the engine. Once the plug is removed, let the used-up Texas tea flow into your oil pan. When the well runs dry, wipe off the plug and screw it back into the opening using a wrench.

4 Flip the filter

Typically, you'll find the oil filter on the side of the engine. No need for any tools here, just unscrew it with your hand (be careful, it could be hot). Use a dab of oil to coat the teeth of the new filter and screw it on, again using your hand.

5 Fill 'er up

Your work beneath the belly of the beast is finished. Now pop the hood, remove the oil filler cap on the engine and pour in four to five quarts of new oil. You may need more, depending on the size of the engine. Once you fasten the oil cap, you're smooth sailing for the next 3,000 miles.