1.Navigation power switch
2. Digital TV antenna cap
3.12V output
4.Power switch
5.Power input indicator
6.BMW line male plug
7.Bluetooth headset
8.5-inch screen
9.Dimming rear view mirror
10 Electronic dog hook
11.Navigator speaker
12.Host retractable hook
13.Navigator power indicator
14.Dheadphone jack
15.TF slot
16 USB interface
17.Bluetooth headset charging hole
18.BMW line mother inserted
19.Power Fuse
20.Car charger