How Well Do You Know Your Car Parts? Take the Quiz!
Is there air between your ears, or can you figure out what this thing is called?
Correct Incorrect In the unfortunate event of a crash, this small but mighty component signals the airbag to deploy. When an impact happens, the sensor sends a super-fast signal to the module, which inflates the airbags within milliseconds using a spark and nitrogen. This technology helps protect your head from slamming into the windshield—pretty amazing, right?