Getting a flat tire is a pain, but if you can change it yourself, it can save you a whole lot of frustration. This video tutorial will show you exactly how to change your flat tire on your automobile, once you've pulled off the side of the road. You'll need to find the spare wheel and the tools required to replace the flat, which is usually stored in your car's trunk. The replacement tools include the jack and the lug wrench. Remember, when changing your flat tire on your vehicle, make sure your safety brake is on!