### How to Change Engine Oil and Air Filter in Your Car

Changing the engine oil and air filter in your car is a fundamental maintenance task that helps ensure optimal performance and longevity of your vehicle. Here’s a step-by-step guide:

#### Tools and Materials Needed:
- Engine oil (check your car’s manual for the type and amount)
- Oil filter
- Air filter
- Oil filter wrench
- Wrench set
- Oil drain pan
- Funnel
- Jack and jack stands or car ramps
- Clean rags or paper towels
- Gloves
- Safety glasses

#### Step-by-Step Guide:

#### 1. Preparation
1. **Warm Up the Engine:** Run the engine for a few minutes to warm up the oil, making it easier to drain.
2. **Park Safely:** Park your car on a flat surface and engage the parking brake. Use car ramps or a jack and jack stands to lift the front of the car if necessary.
3. **Gather Supplies:** Have all your tools and materials within reach.

#### 2. Changing the Engine Oil
1. **Locate the Oil Drain Plug:** Refer to your car’s manual to find the oil drain plug. It’s usually on the bottom of the engine.
2. **Position the Drain Pan:** Place the oil drain pan under the drain plug.
3. **Remove the Drain Plug:** Use the appropriate wrench to loosen and remove the drain plug. Allow the oil to drain completely into the pan.
4. **Remove the Oil Filter:** Use the oil filter wrench to remove the old oil filter. Be careful as it may contain hot oil.
5. **Install the New Oil Filter:** Apply a small amount of new oil to the rubber gasket on the new oil filter. Screw the new filter in place by hand until it’s snug, then tighten it a little more with the filter wrench.
6. **Replace the Drain Plug:** Once the oil has drained, replace and tighten the drain plug with the wrench.
7. **Add New Oil:** Locate the oil fill cap on top of the engine, remove it, and place a funnel in the opening. Pour the recommended amount and type of oil into the engine.
8. **Check the Oil Level:** Use the dipstick to check the oil level. Add more oil if necessary.
9. **Dispose of Old Oil Properly:** Pour the old oil into a sealed container and take it to a recycling center.

#### 3. Changing the Air Filter
1. **Locate the Air Filter Housing:** The air filter is usually located in a black plastic box near the top of the engine. Refer to your car’s manual if you’re unsure.
2. **Open the Air Filter Housing:** Unclip or unscrew the housing cover to access the air filter.
3. **Remove the Old Air Filter:** Take out the old air filter and note how it was placed.
4. **Install the New Air Filter:** Place the new air filter in the housing, ensuring it fits snugly in the same orientation as the old one.
5. **Secure the Housing Cover:** Reattach the cover and secure it with clips or screws.

#### 4. Final Steps
1. **Check for Leaks:** Start the engine and let it run for a few minutes. Check under the car for any leaks from the drain plug or oil filter.
2. **Dispose of Old Filters Properly:** Place the old oil and air filters in a plastic bag and tak