CDR 820 (14)

Learn how to get the most out of your Cobra CDR  820 dash cam. Update your software, find helpful guides, and troubleshoot common problems.

My CDR 820 doesn't rewrite over old footage. It says memory card full.

Modified on Tue, 30 Sep, 2025 at 1:23 PM
Can I use the CDR 820 like a "GoPro" camera?

Modified on Wed, 15 Oct, 2025 at 4:33 PM
Does the CDR 820 start recording automatically as soon as it has power?

Modified on Tue, 30 Sep, 2025 at 1:25 PM
I want to purchase a replacement SD card. What type should I get?

Modified on Wed, 27 Aug, 2025 at 4:14 PM