There is now the option to use the factory (OEM) microphone with the VLine VL2 or VLite VT2 system in select Lexus Toyota 2007-2009 (LEX5 and LEX5LS models). Here is how to video:
You will need the factory microphone retention wire and P-Taps, WLEX5MIC, available here:
https://gromaudio.com/store/vline_accessories/cable-wlex5mic.html
You will need the factory microphone retention wire and P-Taps, WLEX5MIC, available here:
https://gromaudio.com/store/vline_accessories/cable-wlex5mic.html