WHAT'S INSIDE: UNDER THE HOOD

The Under the Hood Channel explores the systems that make your car function correctly. Learn about car parts and systems and how to do routine maintenance.
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Tire failure while you're driving can be disastrous. It's always best to buy new ones before something goes wrong on the road. But do you know the warning signs that indicate you need new tires?

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Do you need a secondary air injection system?

Your car's engine always leaves behind some portion of unburned fuel. Good thing the secondary air injection system is there to help clean up the leftovers. But is it really necessary?

What is an eLSD?

You might not know that eLSD stands for electronic limited slip differential, but when one wheel of your car is sliding on ice and another isn't moving at all, you'll wish you had paid attention to this technology.

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