automatic braking system

noun
UK /ˌɔːtəˈmætɪk ˈbreɪkɪŋ ˈsɪstəm/
US /ˌɔːtəˈmætɪk ˈbreɪkɪŋ ˈsɪstəm/

A car part that stops the car by itself to avoid hitting something.

The automatic braking system stopped the car before it hit the dog.


OTHER MEANINGS

2. A technology that applies brakes without the driver pressing the pedal.

The automatic braking system kicked in when the pedestrian stepped out.

3. A safety feature that detects obstacles and slows the vehicle.

Her new car has an automatic braking system that watches the road ahead.

4. A computer-controlled braking function used in self-driving cars.

The automatic braking system is a key part of the self-driving car's safety.