Why Does a Car Alarm Sound Without Reason?

1 Answers
EvaDella
07/29/25 6:20pm
Unwarranted car alarm activation can be analyzed from aspects such as controller malfunction, excessively high trigger sensitivity, or improperly closed doors. Here is a detailed analysis: 1. Controller malfunction: The alarm itself may be faulty or the triggering sensor may have failed. 2. Excessively high trigger sensitivity: This type of alarm may intermittently activate in response to minor vibrations or low-level noises. 3. Improperly closed doors: When the door switch, hood switch, or trunk switch is not securely closed, the car alarm will activate. If not addressed, the alarm will continue to sound until the car battery is drained or the door is properly closed.
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