Hi! I have a 03' A4 1.8T. My car stop beeping when I lock the doors. after 5 min from the trunk you can hear the beeping for 45sec and stop for 3-4 min and again . The driver side door red light is flash is slow. Today I lock the car and no beep , after 15 min there is no more beep, but the door red light is still on. what can I do whit it? any idea? thanks ! Kris! sorry for my spelling