Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb
If your transmission is running low on fluid, be sure to add some - find out how to do this here!
Don't be the guy with your third brake light burnt out
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.