If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb
Harsh downshifts? Slipping gears? You might be low on transmission fluid
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!
If your car blows hot air when your air conditioner is turned on, try recharging the freon first
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.