Brake Loud Noise problems of the 2018 Nissan Murano

3 incidences of sudden, immediate automatic braking without obstacles or other cars in front of ours. 10/15/2020: mid day, sunny/dry conditions, residential street. Moving forward from a stationary position and below 10 mph. Car suddenly stopped, loud noise, warning flashed on dash board. No other vehicle or object noted in front of car. 10/20/2020: between 8:00-8:30pm, dry conditions, city street. First car at intersection moving forward from stationary position at green light. While moving through intersection, car suddenly stopped, loud noise, warning flashed on dash board. No other car or object was in front of our car. 10/24/2020: between 7:00-7:30 pm, conditions dry, city street. Again first car at an intersection. From stationary position and at green light moved forward into intersection. While moving through intersection the car came to a sudden, halting stop, loud noise and warning flashed on the dash board. No other car or object was in front of our car. In each of these three incidences the car was in drive, the accelerator was slightly depressed for slow acceleration and for no reason the car automatically, suddenly halted.