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.
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary
DRLs are on more than your headlights. They burn out faster and should be replaced regularly
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!