The G30 has different antenna systems, depending on the optional equipment:
G30 Antennas overview
Telematic Communication Box 2 (TCB2) (hotspot, emergency GSM antenna)
Roof-mounted antenna (GPS antenna, telephone antenna, SDARS)
AM antenna
FM2 antenna
Remote control receiver
FM1 antenna
Bl
Overview
Buttons in the vehicle
Climate control functions
Temperature
Maximum cooling
AUTO program
Air flow, manual
Air distribution, manual
Seat heating
Switching on/off
Via iDrive
1. "My Vehicle"
2. "Vehicle settings"
3. "Climate functions"
4. "Rear climate"
The rear automatic climate control