SINGLE VEHICLE ROLLOVER APROX. 75MPH ON HIGHWAY.. VEHICLE EQUIPPED WITH SIDE CURTAIN AIRBAGS. VEHICLE WAS IMPACTED WITH EXTREME FORCE ON ALL SIDES AND TOP OF VEHICLE. DRIVERS LEFT SHOULDER AND FACE WHERE INJURED DURING THE IMPACT AND ROLL. SIDE CURTAIN DEPLOYMENT WOULD HAVE SAVED DRIVER FROM INJURY IF THEY WHERE WORKING PROPERLY.