2023 Trial aster Diesel. +/- 15 000km. I don't know if I'm imagining things, so want to get opinions. My parking bay is on a slight incline. When I drive in I have to brake to bring the vehicle to a stop, then put it in Park, and then lift foot off brake pedal. Lately I have been noticing that the Grenny rolls back a bit when I release the brake pedal. I can't remember that it was doing this before. There is no roll back when I pull up the hand brake. Feels odd. I don't remember having any roll back previously when in Park and releasing the brake pedal.