The Matt3r K3Y is a small accessory that sits in a Tesla's glove box and is designed to work with the vehicle's built-in cameras to help capture and organize incident footage, viewable through a companion smartphone app.
The K3Y is listed at $199.00 CAD and carries a 4.62-star average across 8 reviews at the time of this write-up. That is a modest review sample, so prospective buyers may want to look for additional third-party feedback before purchasing.
According to the brand, the K3Y requires a strong Wi-Fi connection to sync footage and works with a standard Tesla dashcam setup with encryption off. The company advertises no subscription fee for the companion app, which is a meaningful differentiator if accurate, though that claim is brand-stated rather than independently confirmed.
Reviewer Kim Java described it as something that "supercharges your existing Tesla dashcam and gets you so much out of your Tesla without having to add cameras or complicated installs." Reviewer Robert Rosenfeld also gave positive feedback, though the fuller text of that review was not fully visible on the page at the time of this scan.
For Tesla owners who want easier access to their car's existing camera footage without installing additional hardware, the K3Y is a low-friction option backed by a 30-day return policy. Buyers should confirm compatibility with their specific Tesla model before ordering.
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