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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
The Blind Spot Detection system can detect traffic situations that could pose
a risk if the driver
changes lane. These traffic situations include vehicles approaching quickly from
behind or vehicles in
the driver's blind spot. The system operates within a speed range between 12 -
130 mph (20 - 21