Engineering Explained on MSN

Power brakes - vacuum assist - explained

How do power brakes work? What is vacuum assist? How do brakes utilize a vacuum for added braking force? This video explains ...
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Hyundai SUVs could suddenly brake on their own. Here's the list of recalled models.

WASHINGTON — Hyundai is recalling more than 421,000 vehicles in the U.S. because a software issue could cause the automatic emergency braking system to unexpectedly activate. The recall affects ...