WE WERE INVOLVED IN A MILD ROLL-OVER ON I-94 NEAR TOMAH, WIS. WE SLID ON BLACK ICE AND UPENDED INTO THE SNOW BANK. NO INJURIES. MY WIFE WAS RESTRAINED IN MID SEAT, R SIDE. AS CAR ROLLED SHE SLID OFF END OF SEAT OUT OF LOCKED SEAT BELT SYSTEM ENDING UP UNRESTRAINED ON THE ROOF. WE HAVE CONTACTED TANNER MOTORS AND WILL BE TALKING TO. *AK