[Reatta]

I have definitely had several false collision avoidance alerts. I have a similar system in my 2015 Yukon and get false ones on that vehicle as well. Here is what I've found can trigger them:

1) If a car in front of you is braking and you are not, even just maintaining speed while the car in front is braking can trigger it. Even at a safe distance.
2) Bright sunlight into the system, or bright reflections at the front of the car, will cause this issue. Especially if they suddenly appear.
3) On rare occasions, shadows can do it too, but this I've found to be uncommon.

Hope this helps...