DURING A REAR END COLLISION, THE VEHICLE, A 2019 AUDI Q5, WAS STOPPED, STATIONARY, ON A CITY STREET AT A SIGNAL AND STRUCK IN THE REAR BY ANOTHER VEHICLE GOING APPROX. 30-40 MPH. BOTH REAR SEAT PASSENGERS IN THE AUDI SUSTAINED SIGNIFICANT LOWER BACK INJURY AND ONGOING BACK PAIN POSSIBLY WORSENED AND SIGNIFICANTLY INCREASED DUE TO THE DESIGN OF THE REAR SEATS AND SPECIFICALLY THE BUILT IN LUMBAR "BUMP" OR SUPPORT IN THE REAR PASSENGER SEATS. THIS STIFF AND EXTRUDING LUMBAR PROTRUSION BUILT INTO THE REAR PASSENGER SEATS WAS FORCED INTO THE LOWER LUMBAR REGION OF BOTH REAR SEAT PASSENGERS DURING THE MOTOR VEHICLE COLLISION. BOTH REAR SEAT PASSENGERS WERE WEARING THEIR SEATBELTS AT THE TIME OF THE ACCIDENT. THIS MVA WAS DOCUMENTED BY A POLICE REPORT AS WELL AS INSURANCE CLAIMS AND ONGOING LITIGATION.