THE 2004 VOLVO XC70 WILL JUST STOP WHILE I AM DRIVING. IT HAS HAPPENED AT LEAST 5 TIMES IN THE LAST 1.5 YEARS. THERE IS NO PATTERN TO THE PROBLEM. IT IS VERY INTERMITTENT. I WAS IN A SITUATION WHEREBY I WAS DRIVING 65 MPH ON A MAJOR NJ HIGHWAY WITH A TRACTOR TRAILER BARRELING DOWN ON ME WHEN THE CAR JUST STOPPED, LOSING ALL POWER, - INCLUDING POWER STEERING AND FLASHERS SO THAT I CAN WARN OTHERS OF THE PROBLEM I AM HAVING. LAST WEEK, I WAS DRIVING ON LOCAL ROADS, 30 MPH WITH MY CHILD, AND IT HAPPENED AGAIN. THE LOCAL AND RESPECTABLE DEALERSHIP WAS AWARE OF IT AND HAS TRIED TO ADDRESS THE ISSUE, BUT THEY HAVE VERY LITTLE INFORMATION TO GO ON. HOWEVER, THE BOTTOM LINE THAT I HAVE NO WARNING AS TO WHEN THIS WILL HAPPEN . DID NOT SPUTTER AND NO WARNING LIGHTS WENT ON, UNTIL AFTER THE CAR WAS STOPPED). I AM AFFRAID TO DRIVE THE CAR, AND MORE IMPORTANTLY I AM NERVOUS ABOUT TRANPORTING MY CHILDREN IN IT. ON THE WHOLE, WE LOVE VOLVO AND THIS IS OUR 3RD CONSECUTIVE LEASE FROM THE SAME DEALERSHIP, BUT THIS IS BECOMING A SERIOUS CONCERN FOR MY FAMILY. THE "SAFE" VOLVO THAT I BOUGHT INTO WHEN I HAD MY FIRST CHILD, IS NO LONGER SAFE. *AK