What technique are these parking sensors using?

radar

echo sounding

infrared ranging

electromagnetic induction

Typical parking sensors are ultrasonic, often a clicking sound may be heard close by. There are also less popular electromagnetic sensors, that do not require any holes in the bumper, but detect metal objects only.

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Answers by country

France

22%

50%

22%

Switzerland

20%

47%

22%

10%

the Netherlands

11%

46%

24%

15%

Germany

18%

45%

22%

13%

720

Poland

15%

44%

26%

12%

20350

Greece

16%

44%

16%

22%

India

14%

43%

30%

10%

816

Austria

18%

43%

25%

11%

144

Unknown

23%

41%

26%

Republic of Ireland

40%

25%

30%

the United States

22%

36%

26%

12%

580

Australia

14%

35%

32%

14%

Italy

19%

33%

38%

the United Kingdom

22%

31%

33%

10%

278

Canada

25%

31%

27%

10%

the Philippines

10%

28%

38%

24%

Pakistan

17%

28%

25%

28%

Malaysia

12%

25%

33%

29%

South Africa

23%

26%

the United Arab Emirates

18%

45%

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