Hey guys I have a 2008 TL with Navi. I just bought this dope Vantrue dash cam set and an ODB 2 wiring kit. I'm wondering how to route the wiring and take off the trim for this. I will need to route one wire from the rear windshield to rearview mirror and also a wire from the rearview mirror to ODB2 port. Are there any write ups on running wire behind trim and removing trim panels? I can't seem to find anything when searching for this. Any help is appreciated.

 

You really do not need to remove much trim at all. In fact we did not have to remove any. The cable from rear window to the front runs under the trim adjacent to the headliner and then across the top of windshield to main unit. cable from fuse box area runs up A pillar trim and across top of windshield to main unit.
You can literally tuck all of the cables in without removal.

 

i used plastic pry tools to tuck in my cabling. no removal needed.