Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors
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
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!
Author
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.