Seat belts Oldsmobile Cutlass Cruiser

Hello, the project takes shape. Last time I noticed that the safety belts do not react to train as you know it from other belts. So block it if you pull it quickly. Can it be that the only working on running engine while driving ?? I know is a strange question but during the test drive I did not strap on, so I don’t know… ..maybe someone of you. Thank you for your answers Greeting Tommes