While traveling over 230 miles from home on a road trip, my 2021 Tesla Model 3 suffered a complete and catastrophic failure. While in North Carolina, the vehicle became entirely unresponsive’doors would not unlock, windows couldnt be operated, and I was completely unable to access the charging port, trunk, or frunk. The vehicle was effectively bricked without warning. This wasnt a minor inconvenience’it was a serious safety issue. I was stranded out of state from Saturday to Tuesday, completely dependent on others for transportation while waiting for the vehicle to be towed 58 miles to a service center. I was eventually informed of the cause, auxiliary battery failure, but the fact remains: this happened without warning, in the middle of a long-distance trip, and could have left me in an extremely dangerous or isolated situation. Tesla’s systems failed without notice; an apparent design flaw left me with no way to access or secure the vehicle. The inability to open the doors or charge the car poses obvious and unacceptable safety risks. The windows were secured with plastic to prevent rain from coming in. This incident is deeply concerning and should be taken seriously. I am urging NHTSA to investigate this issue and hold Tesla accountable to ensure this ds not happen to other drivers under even more hazardous circumstances.