This is how active safety systems work and how they can save you from an accident.
The number of driver-assistance safety features available to car buyers has grown quickly in the past several years, so it's easy to be confused about which technologies do what. Understanding how these features operate and how they can help you avoid an accident are key to deciding if option packages that include them are worth the extra coin.
If you purchase a vehicle that has some or all of these features, it's important to know how they work and why sometimes they don't–and what to do if one should alert you to an impending incident. To help, we've gathered all of the current driver-assistance features here along with an explanation of how each functions.