A blind spot alert is also sounded when the turn signal indicator is employed and a car is in the blind spot. As of 2020, cars employ radar, but LIDAR may be used in the future. See automotive ...

Blind-spot monitoring, for example, helps keep you from hitting an unseen car when changing lanes. A forward-collision warning system signals if your car is in danger of striking one in front.

Blind spot detection is becoming a norm in cars, known as a Blind Spot Information System. In newer cars a light, noise, or vibration warns drivers when a vehicle or object is in your blind spot ...