- Rotten food or other organic matter
- A coolant leak
- Mold or mildew
- A dirty air conditioner
- A pet accident
- etc
2. Clean the affected area thoroughly.
- Use a mild detergent and water
- Allow the area to dry completely
3. Use an air freshener or deodorizer.
- Choose a product specifically designed for automobiles
- Follow the directions on the package
4. Circulate fresh air through the vehicle.
- Open the windows and doors
- Turn on the fan
5. If the smell persists, you may need to take the vehicle to a professional for further cleaning.