No, a 12V DC supply inside the automobile powers a dash camera. And as a result, the power supply to the dash cam is likewise cut off at the same time your car shuts off.
Resultantly, your dash cam will turn off. But what happens if you require the dash cam’s assistance while you’re not in the car?

Does the dash cam lose its value in these circumstances?
The good news is that the dash cam can still be functional regardless of whether turning off the engine.
Fortunately, you can use your dash camera as a security camera in these situations and have all the video footage recorded while you’re away.
Most high-end dash cams feature a parking mode or surveillance function that allows the dash cam to record even when the car is turned off.
Do dash cams record all the time?
Typically, dash cameras have a capability that allows them to record continuously while your engine is running.
In order to prevent losing recent material if the dash cam runs out of memory, it begins overwriting the older records.
Try parking surveillance mode, which will record whenever it senses motion around your car if you want your dash cam to continue to function even after the engine is switched off.
Do dash cams turn on automatically?
Dash cameras do, in fact, activate automatically anytime a car engine is started. Dash cams are connected to a car’s ignition switch.
As a result, they now turn on and off automatically whenever a car’s engine starts or stops.
There’s no need to turn on the dash cam as long as it’s connected to a power outlet, usually a cigarette lighter in a car.
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What does a dash camera’s parking surveillance mode entail?
Most high-end dash cams have a parking mode or parking surveillance feature that enables the dash cam to record even when your automobile engine is off.
Anytime there is movement inside or around your car, an impact, such as from a hit-and-run driver, an incident, or any accident in general, a dash cam that supports parking mode begins recording.
The issue at hand is whether or not the parking mode starts up automatically.
The parking mode can be automatically activated on some dash cams. They achieve this by detecting whether your automobile has been still for a time using a specific G sensor. Next, the parking mode is turned on.
The dash cam records only when the automobile has a quick collision or motion, but it continuously monitors everything around your vehicle when it is in standby mode.
Contrary to that, there are dash cams that do not support automatic activation of the parking surveillance, and you’ll need to turn it on/off every time you leave/enter the car.
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What does a dash camera’s parking mode do?
The dash cam’s memory will be preserved by this parking mode. Moreover, it also saves your car’s battery, which would otherwise be entirely drained if you leave the dash cam or engine running.
You may view video of any criminal behavior taking place around your car while you’re away thanks to parking surveillance.
Even though a parking mode uses the least amount of electricity, it still needs a power source to operate.
You must hardwire your dash cam using a hardwire kit in order to use it for parking surveillance. To keep your dash cam operational at all times, you can alternatively utilize an external power pack.
Does a dash cam drain your car’s battery?
As long as it is mounted in a vehicle that is routinely driven and has a good battery, a dash cam won’t drain the battery of the automobile.
Dash cams utilize negligible power, so you don’t need to worry about having your battery drained.
Furthermore, as long as the dash cam is used for parking surveillance, it won’t drain the battery even if it is connected to the battery (i.e., pulls power continuously from the battery even when the engine is off).
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How long is video stored on a dash camera?
It varies depending on the SD card’s memory capacity, image quality, and picture resolution. A dash cam’s video can be stored for four to twenty-four hours.
The dash cam begins recording the most recent video as soon as the SD card is full.
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