Saturn SW Steering problems by year

My son was killed in a 1999 saturn the airbags did not work I need to know why car cut off while go down i-20. *Tr

At about 70 mph on the fwy. I swerved left to avoid a collision, abs caused steering to tighten, I was unable to straighten, so I pulled harder to the right. I skidded right, hitting another vehicle with my right front at about 50mph. The srs air bags failed to deploy. I continued to slide to 180 degrees. Rolling backwards, I hit the center divider with the right rear bumper at about 35 mph. The impact caused my seat back to collapse (recline), although I was wearing a seatbelt. I was ejected and slammed the back of my head into the ceiling of the car. I was hospitalized. The impact also ruptured the fuel tank. Driving conditions were clear, and dry. Dt

While traveling 30 mph, the compartment began filling with gray smoke. Electrical wiring from the steering smoldered and melted. Please describe details. Mr

Steering wheel began to spin freely and car ended up in a ditch. Cradle bolts missing. Dealership says this probably caused the front end to spread and the rack and pinion to disengage.