Re: Mirror Signal Lights - Always on possible?
No, Benzes and Toyotas don't have lights that stay on. The lights you're seeing on the Ford trucks are running lights, not turn signal indicators.
It should be possible to do, but its going to involve a fair bit of wiring...
2015 Lexus LS460 AWD, Nebula Grey w/Light Grey Shimamoku Interior
2015 Kia Sedona SX-L, BlackBerry w/ Dark Burgundy Interior
Previous Jeeps: 2014 Grand Cherokee Overland; 2011 Grand Cherokee Laredo X