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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France

26%

47%

21%

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46%

23%

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11%

46%

24%

15%

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18%

45%

22%

12%

733

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15%

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26%

12%

20413

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30%

10%

816

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144

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15%

26%

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30%

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36%

26%

12%

584

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14%

35%

32%

14%

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19%

33%

38%

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22%

31%

33%

10%

280

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25%

31%

27%

10%

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28%

38%

24%

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17%

28%

25%

28%

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12%

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33%

29%

South Africa

23%

26%

the United Arab Emirates

18%

45%

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