I think he refers to what he can see in supported features.html file within .system\Diag\html\
This is from 2465TH...

Supported Features

Part Number: 006-D2606-B0
Locale: 75
Locale ISO code: TH
Sku: 0
Rev: 0A

TTS Phonetics
Junction View
Lane Assist
Speed Limits
Traffic EULA
Photo Nav
ASR
Custom Avoidances
Advanced Detours
Premium Point Addressing
2D Footprints
Bluetooth