Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems