Not sure of the make of my dash-cam, Chinese off eBay. I wired it in myself, my car is an IS250 convertible.
Get yourself a set of trim removal tools, they are essential to avoid scarring your trim.
I tucked the cable from the camera into the lining above the windscreen, down the passenger A pillar, along under the sill scuff plate, under the passenger seat and connected with the 12v socket in the under armrest storage box. Works a treat with no visible cables.