I had a slow puncture in MG4 from a screw embedded in the tyre, £25 later with a tyre plug (tyre had done 2,000 miles), tyre monitor highlighted the issue, once the garage had inflated it it still had a warning (not enough pressure) finished off the pressure at home with a foot pump problem sorted. No resetting anything. With the tyre removed you can see the tyre pressure sensors on the Schrader valves, I guess you would let them know that but many cars have this now so should be competent enough to sort it out.