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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10%

47%

23%

15%

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26%

47%

21%

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18%

45%

22%

12%

737

Switzerland

20%

45%

23%

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26%

12%

20432

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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%

27%

12%

585

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14%

35%

33%

14%

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38%

the United Kingdom

22%

31%

33%

282

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25%

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27%

10%

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28%

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24%

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17%

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28%

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12%

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33%

29%

South Africa

23%

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the United Arab Emirates

18%

45%

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