Why Does the Car Alarm Go Off for No Reason?

[SanEllie]

Car alarms going off for no reason are typically due to the sensitivity of the anti-theft device or wiring issues. Here are the details: Anti-theft device sensitivity: If the car alarm keeps sounding, it is likely because the sensitivity of the anti-theft device is set too high, causing it to trigger even with slight vibrations. To resolve this, first locate the main unit of the anti-theft device, usually found under the steering wheel or behind the A-pillar trim. Then, adjust the sensitivity knob slightly—but not too low, as this would reduce the car's anti-theft effectiveness. Anti-theft device wiring: The issue may also stem from faulty wiring in the main unit of the anti-theft device, requiring timely inspection, repair, or replacement. However, whether it's checking the wiring or replacing the alarm, it's best to leave these tasks to professionals.