Automatic Emergency Braking
Automatic braking systems reduce rear end crashes by about 40% while a warning only reduces crashes by about 22% according to the IIHS.
We love car features that keep us safer and automatic braking is one of those features. It's not as exciting as most of the options on this list, but when someone slams on their brakes in front of you or cuts you off and your car comes to a stop automatically it's thrilling.
There are many models including some that support pedestrian detection and others that include large animal detection.