What is a G-Sensor on a dash cam?

I’m shopping around for a dash cam for my vehicle and I keep seeing a feature called G-Sensor. All the reviews are saying it’s a great feature but I’ve never heard of it. What’s a G-Sensor?

Mary Cahill · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Investing in a dash camera could come in handy! A G-Sensor on a dash cam is a built-in accelerometer that is designed to trigger your camera to begin recording if it detects an
In other words, if someone or something strikes your car hard enough, the G-Sensor will cue the dash cam to document the collision. The dash cam will automatically lock the footage and save it to a separate downloadable file that you can view afterward.
The G-Sensor can be programmed to only be triggered when hit by a certain level of force so that it isn’t set off by something minor. This safety feature is found in more high-end vehicles like Cadillac, BMW, Tesla, and Mercedes-Benz, but you can also purchase a dash cam with G-Sensor technology.
G-Sensor technology can make your vehicle safer—just like equipping it with great
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Jerry partners with more than 50 insurance companies, but our content is independently researched, written, and fact-checked by our team of editors and agents. We aren’t paid for reviews or other content.

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