Here is a nice install and demo video for GROM VLine VL2 system for CarPlay and Android Auto integration into the factory stereo of Toyota Land Cruiser 2004-2007. The same video applies to Lexus GX 2005-2006 in US.
Compatible model of GROM VLine VL2 system is LEX4VL2, available here:
https://gromaudio.com/store/vline/grom-vl2-lex4.html
Compatible model of GROM VLine VL2 system is LEX4VL2, available here:
https://gromaudio.com/store/vline/grom-vl2-lex4.html