SUDDEN BRAKING CAUSED BY AUTOMATIC BRAKING SYSTEM. ON SEPT 1, 2020, I WAS DRIVING DOWN A NEIGHBORHOOD STREET, GOING ABOUT 30 MPH, AND A CAR IN FRONT OF ME WAS TURNING. I WAS IN NO DANGER OF HITTING THE CAR IN FRONT OF ME; HOWEVER, MY 2020 MAZDA CX-5 SUDDENLY BRAKED AND MADE A LOUD NOISE. GRANTED, THIS CAR WAS NEW TO ME AND I HADN'T EXPERIENCED THIS BEFORE, BUT I WAS COMPLETELY SURPRISED GIVEN AN ACCIDENT WAS NOT IMMINENT. THIS SUDDEN BRAKING CAUSED MY HEAD TO SWING FORWARD AND BACK RESULTING IN NECK, SHOULDER, AND BACK PAIN. ALSO, IT RESULTED IN AN INCREASED HEADACHE. UPON RETURNING HOME, I TURNED THE SUDDEN BRAKING SAFETY FEATURE OFF. ON SEPT 4, 2020, I HAD A VIDEO CALL WITH MY PCP WHO ADVISED ME TO GO TO THE URGENT CARE. THE URGENT CARE DOCTOR PRESCRIBED MUSCLE RELAXERS AND, BASED ON A PREVIOUS NECK CONDITION, ORDERED A MRI AND FOLLOW-UP WITH NEUROSURGEON. THE EXTENT OF THE INJURY IS UNKNOWN AT THIS TIME BUT THE URGENT CARE DOCTOR ENCOURAGED ME TO FILE A SAFETY REPORT.