False alarm
| False alarm |
| • |
Knocks to the car
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Shaking or vibration of the car
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| • |
Wind load (external pressure waves)
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| • |
Automatic switching on/off of any electrical equipment in the car.
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External noise
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| • |
Changes in the internal/external light intensity
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Air flows and turbulence inside the car.
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| • |
Temperature changes inside the car.
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| • |
Fan noise from original extra heaters inside the car.
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| Important | ||
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This assumes that all doors/hatches and windows to the passenger compartment are closed. |
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