MY TEENAGE SON WAS DRIVING HIS 2003 ACURA RSX-S ON HIGHWAY I60 IN SOUTHERN CALIFORNIA. HIS CAR WAS HIT IN THE LEFT REAR WHICH PUSHED HIM IN THE TAIL OF A BIG RIG. HIS CAR THEN FLEW OFF THE FREEWAY AND OFF A CLIFF, APPROX 80-90 FEET DOWN. CAR ROLLED OVER ESTIMATED A 7-8 TIMES. NEITHER OF THE TWO FRONT OR TWO SIDE AIRBAGS DEPLOYED. THERE WERE 4 PASSENGERS INCLUDING THE DRIVER. ALL WEARING SEATBELTS. 1 SERIOUS AND 3 MINOR INJURIES. CAR COMPLETELY TOTALLED. NO DRUGS OR ALCOHOL INVOLVED. *TR