Many of them also show you step by step how to fix your vehicle problems. You can choose which video you want to use to help you. That's always a plus in my book. I recommend you watch the video all the way through, just to make sure this is what you need to do on your vehicle. Many people prefer to repair their vehicles this way because it is more convenient. Sometimes it seems like too much to do with mechanics. They will always be more expensive. They will take more and more time. That's why these videos are so helpful. It's just an easier way to maintain your vehicles