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.
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw
Small bulbs that burn out regularly - did you know you can replace these with LED lights?
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here