parking sensor

noun
UK /ˈpɑːkɪŋ ˌsɛnsə/
US /ˈpɑːrkɪŋ ˌsɛnsər/

A parking sensor is a small device on a car that beeps to tell the driver when something is close behind.

The parking sensor beeped loudly as the car got close to the wall.


OTHER MEANINGS

2. A device that detects whether a parking space is free or occupied.

The smart parking sensor told the app which spaces were empty.

3. A system that helps a car park itself automatically.

Her new car has a parking sensor that steers into the space for her.

4. A sensor that measures distance to nearby objects while parking.

The parking sensor showed the distance to the curb on the screen.