On June 7, 2025, I was a passenger in a 2025 Tesla 3. Driver of Tesla made an unsafe lane change coming off an Interstate and my side was struck almost T-bone style by an oncoming vehicle going between 45-55mph. Our seatbelts did not lock us in place causing the driver to hit his head on steering wheel and then on driver side window causing lacerations and possible concussion. My side tool the impact and no side curtain airbags deployed and neither did the dash airbags. I am concerned that the location and speed with which we were hit could have been much worse up to and including death as the airbags did not deploy nor seatbelts firmly lock us in place. The car was deemed a total loss and all 4 panels on passengers side were impacted in the collision. I have pictures, Tesla video, police report I can provide. I want this looked into for defect of the Tesla sensors. All public data indicates that at a minimum the side curtain airbags should have deployed as there isnt much of a wrinkle zone and the speed of impact should have deployed them. I was unable to get out passenger side door and had to crawl across driver seat to get to EMS assistance. I was then transported along w Tesla driver to local hospital.