My bad. It is not paired, but listed all the time as a nearby device. And cannot be removed from the list using long press. And when trying to pair, it will be rejected by car bt, as incorrect (if any) PIN is given. It was the same case with AquaFish, but with many trials I finally managed to pair, also yesterday when tested. It was managed when phone found the car bt while searching, not when it already was listed as nearby device.