I was driving alone paying attention in daylight and suddenly I was knocked/startled and vision blocked and I was saying out loud oh God what is going on-what is happeningy/I was trying to figure out where I was - next I heard my car crunching-and still going to where I exited right side of road and turned on drivers side and slid across 2 lane road-hitting a raiseded bed of 2b 3b gravel and turned back up on 4 wheels. The slanted hill next to a small ditch-about5 ft approximately off road. This all happened very quickly. There was no crash until after I was hit by airbag. Severely crashed passenger side windshield shattered/no airbag went off. Police and by standers assuming zi lost control and could see where I was headed. I never mentioned to police how I felt airbag went off. I knew their theory didn't match what I felt happened but after going back to scene my scenario from my memory is the only one I can verify. Not sure now what happens to vehicle now after I get my check today. I wasn't sure where to report. I did mention in text to adjuster but it is my understanding adjuster didn't get text ?? This just needed to be noted.