If your car had an alarm system it may employ a shock sensor that can shake based on whether your car was touched.
Car door open close sensor.
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The open door light on my dashboard was blinking so i rechecked every door and closed them all again and it still said they were open.
This action opens and closes an electrical circuit sending a signal to your vehicle s computer activating the door ajar warning light when the door is open.
And then this morning when i left for work the same sensor was still blinking only this time it beeped the entire time i was driving not or long.
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The sensor typically uses a switch with a spring loaded plunger that is compressed when the door is closed and is released when the door is open.
Other car door sensors operate on the same principle except the sensor system may be different.
Ai cluster door sensor can help you to monitor the status of door window through smart phone get alerts when doors or windows are opened or closed.
Trunk locks usually have a spring loaded switch that opens or closes the electrical signal depending on the status of the door.
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This sensor is often also connected to the interior lights that go on and off when a door opens and closes.