How Well Do You Know Your Car Parts? Take the Quiz!
This tiny gear can tell you a lot about your car. What’s it called?
Correct Incorrect Ever wonder how your car tracks the miles you've driven? That’s thanks to a small gear. For every rotation of your tires, this gear ticks away at the odometer, keeping track of your mileage. Older vehicles often had plastic odometer gears, which could become brittle and break, making the odometer less reliable.