TSB / UNEVEN WINDSHIELD DEFROSTER PERFORMANCE - THIS BULLETIN PROVIDES THE PROCEDURE TO INSTALL VENT CLIPS ON SOME 2014~2015MY SOUL (PS) VEHICLES, PRODUCED FROM JULY 21, 2013 THROUGH APRIL 5, 2015, WHICH MAY EXHIBIT UNEVEN WINDSHIELD DEFROSTER PERFORMANCE. FOLLOW THE PROCEDURE OUTLINED IN THIS BULLETIN TO INSTALL TWO (2) CLIPS ONTO THE CENTER DASH VENTS TO RESOLVE THE CONCERN.