It's a good idea to learn enough about the basics of auto maintenance to undertake simple chores such as changing air filters or replacing light bulbs, though even this can be tricky in some cars.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic

Now, the auto repair and maintenance industry is using social media to overhaul its Millennial outreach strategies.

FORBES: Does It Matter If Millennials Don't Know How Cars Work?