When going for brands, like Lounge Underwear or even more expensive ones like Marlies Dekkers, Aubade or Lise Charmel (instead of cheap imports from China) there’s almost never a problem with the size. There have been maybe 2 or 3 bras (cheap ones) that did not fit in the last twelve years and everything else has the same size and fits her.

After driving my current car with Android Automotive for over 45.000 km I can only advice to stay away from vehicles using it

Android Auto (with the car working as a display for your phone) is really nice. AA OS is not.