2012 SMART FORTWO Engine Problems

I WAS DRIVING ON THE FREEWAY (5 LANE) IN MY 2012 SMART FORTWO PASSION COUPE IN THE MIDDLE LANE AT 65-70 MPH. ALL OF THE SUDDEN MY ACCELERATOR WAS NO LONGER FUNCTIONAL. I LOOKED DOWN AND SAW THAT MY SPEEDOMETER AND GEAR INDICATOR WERE ALSO NON-FUNCTIONAL. I WAS ABLE TO COAST (DESPITE HEAVY TRAFFIC) TO THE SHOULDER OF THE FAST LANE - IT WAS IMPOSSIBLE FOR ME TO GET TO THE SLOW LANE SHOULDER DUE TO HEAVY TRAFFIC. I WAS ABLE TO USE THE BREAKS ONCE I HIT THE SHOULDER (UNSURE IF POWER BRAKES OR NOT) AND ONCE STOPPED WAS UNABLE TO USE AUTOMATIC WINDOWS. I COULD NOT MOVE THE CAR OUT OF DRIVE FOR APPROXIMATELY TWO MINUTES. AFTER 2 MINUTES I TRIED AGAIN TO MOVE THE CAR OUT OF DRIVE AND WAS ABLE TO PUT IT IN PARK. AT THAT POINT I WAS ABLE TO RE-START THE CAR AND...