First time purchaser of 2019 Audi Q7. I've worked on cars my whole life but this has me stumped. When I get out of my car and lock it with the FOB all is good. About 5 minutes later the two courtesy lights of map lights come on. They stay on indefinitely. If you lock it again they will go off and then come back on about 5 minutes later. I have sat inside while this happens and no door chime is going off. However, with it locked and without the keys with me or even near me, I can go to the rear and press the trunk open button on the trunk. It doesn't open obviously because I don't have the keys BUT the courtesy/map lights will flicker and go off. They will come back on in about 5 again. I tried the same thing with the buttons on the front doors and the lights do nothing, only the trunk button. Any ideas what may be the problem?