SAW LIGHT ON DASH (ETC MALFUNCTION INDICATOR LIGHT) AND NEXT MEMORY IS BEING AT HOSPITAL. DURING THE 60-90 SECONDS AFTER I SAW LIGHT WITNESSES WATCHED MY 2013 CHALLENGER R/T ACCELERATE UP TO HIGH 90S AND ULTIMATELY CRASH THROUGH FENCE AND INTO HOUSE. EDR SHOWS STEERING AT TRAFFIC CIRCLE BUT NO ACCELERATOR PEDAL INPUT DURING LAST FIVE SECONDS. ENGINEERS SAY PROBABLE CAUSE IS MALFUNCTION IN ELECTRONIC THROTTLE CONTROL AND POORLY DESIGNED BRAKE-THROTTLE OVERRIDE.