I had a lot of false positives for the first week or so, but now the detector knows what to expect.

But I do receive TONS and TONS of false positives from every new vehicle with blind-spot detection, lane assist, from urban sources (auto-doors - yes, I know the difference between highway and city modes).

I really like the auto learning feature that mutes false positives automatically

Learning function reduces false positives.

After a couple of months to allow it to identify and store false positives, I have found the Passport 9500IX to be very reliable

Also SO MANY false positives of the red-light cameras while I'm traveling on the highway - since its doing this using GPS, shouldn't it know I'm on the north-south highway doing 75mph, and the redlight camera is for the east-west cross-street?!?!?!

My girlfriend is so annoyed by it's incessant false positives and barking that she begs (makes

GPS stores false positives