Why does a well-parked car suddenly make noise?
2 Answers
The reasons why a well-parked car suddenly makes noise are as follows: 1. Oil pressure alarm. 2. The sensitivity of the anti-theft system is too high. Below is a related introduction to parking precautions: 1. When parking, consider not only your own convenience for entering and exiting but also others' convenience, and more importantly, potential unexpected situations. 2. Do not park in sections with no-parking signs: On roads with isolation facilities between motor vehicle lanes, non-motor vehicle lanes, and sidewalks, as well as pedestrian crossings and construction zones, parking is not allowed. 3. If a vehicle needs to stop due to a malfunction while driving, it should be quickly moved to a safe section to avoid obstructing traffic: If the vehicle cannot be moved, set up warning signs in front of and behind the vehicle to alert following vehicles and prevent collision accidents. When parking at night or in heavy rain, strong wind, or thick fog, turn on the width lights and hazard warning lights.
I've been driving for twenty years, and it's not uncommon for cars to suddenly sound the alarm while parked. This is usually caused by an overly sensitive anti-theft system, where slight vibrations—such as someone touching the door, strong winds, or passing vehicles causing movement—trigger the alarm. Accidental button presses in the pocket with the key fob also happen frequently; I've experienced it myself several times, only realizing after a long search that the key was stuck in my pants pocket. Another reason is animal interference—once in the garage, a cat jumped onto the roof and triggered the alarm system. Older cars' electronic systems are more prone to malfunctions, such as aging wiring or faulty sensors, leading to false alarms. I recommend car owners regularly check the sensitivity of their anti-theft settings and adjust them lower at a shop if necessary. Otherwise, disturbing the peace in the middle of the night can be quite embarrassing and may also drain the battery prematurely. Parking environment is also crucial—avoiding vibration sources and slopes can help reduce such issues.
