WHILE DRIVING ABOUT 45 ON THE HIGHWAY, A LIGHT CAME ACROSS MY DASH THAT SAID 'PARKING BRAKE MALFUNCTION!' MOMENTS LATER MY 2011 AUDI Q5 CAME TO A COMPLETE STOP CAUSING A 3 CAR PILE UP. MY CAR HAD JUST BEEN SERVICED IN JUNE AND GOTTEN NEW BRAKES AT THAT TIME AS WELL.