Tyre pressure sensors are not detected

Hello, need your help, someone is familiar with it. I bought the Renault Drenalic rims with tyres from someone in private and installed them today. I then chose to save tire pressure in the on-board computer. After about 20 km the system then showed me “Try tire sensor”. Do the sensors have to be assigned to the car to recognize them (they are unknown to the car after all) or should this happen automatically? Have in another thread The question is if you can only do that if they have been initialized once or if the system does this automatically. Thank you very much. Greeting Janosch