oh, literally the very minute I posted this the shelter order got cancelled.
@gsuberland "My car makes this weird noise all the time until I take it to the mechanic and then it behaves."
@cR0w my car is literally doing that right now. well, the weird noise is an engine malfunction alarm, but I can't read out the fault code with my cheap OBD reader and every time I go to a garage the fault goes away.