Originally Posted by Polaris OBark

Today the 530 instantly recognized the light but not the radar. Eventually it found it and I went for a ride without further issue, then charged both as suggested. When I tested it by turning everything back on, it kept searching for the radar without success.

I've now deleted both the light and the radar, and re-added it, slavishly following the Ikea-like instructions. We shall see. I guess I can always revert back to the rectangular gen 1 radar, which simply worked.

It is odd that it instantly finds the radar's tail light, but not the radar itself.