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Why does the dash cam stay on after locking the car?

2 Answers

MacMadison

07/24/25 9:32am

The dash cam staying on after locking the car is likely due to its built-in battery, which continues to power the display after the power is cut off. However, dash cams with batteries are prone to swelling or even exploding in high-temperature car interiors during summer, posing significant risks. It is recommended to purchase a dash cam without a battery to ensure safety. More relevant information is as follows: 1. Introduction: A dash cam is a device that records images, sounds, and other related information during vehicle operation. After installation, it can record the entire driving process, including video and audio, providing evidence for traffic accidents. For those who enjoy road trips, it can also document the journey through challenging terrains. While driving, it continuously records video, along with time, speed, and location data, functioning as a "black box." It can also be used at home as a DV camera to capture life's moments or serve as a home surveillance device. Additionally, it can act as a parking monitor. Dash cams are mainly divided into portable dash cams and integrated rear-mounted DVD dash cams. 2. Main functions: Protecting the legal rights of drivers. In case of collisions with pedestrians crossing the road or cyclists and motorcyclists, drivers may face extortion attempts. A dash cam can provide valid evidence to protect the driver's interests.

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ORonan

09/25/25 2:53am

After locking the car, the dash cam light is still on. I think the issue lies in the power configuration. There are several ways to power the dash cam: if connected via the cigarette lighter socket, it should turn off when the engine is off, but poor contact might cause abnormal power supply. Alternatively, if it's connected via the OBD port or directly wired to the fuse box with parking mode enabled, it will continue to supply power to detect collisions. You need to check the parking monitoring function status in the device settings menu—many models have it enabled by default and require manual adjustment to turn it off. The voltage protection threshold is also crucial; the standard is to auto-shutoff when voltage drops below 11.8V to prevent battery drain and starting issues. It's recommended to use the mobile app to check remote settings. If the light is just a standby indicator without actual recording, the impact is minimal, but if this persists long-term, inspect the wiring connections to avoid minor malfunctions. This issue is more common in cold weather when battery performance declines and the dash cam responds sluggishly. If the problem persists, try replacing the power cable with a higher-quality one.

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