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...
2014 Jeep Grand Cherokee Overland V6 4X4. Maximum Steel w/ Vesuvio Jeep Brown/Indigo Blue. Advanced Tech Pkg.
2013 Lexus GS350 AWD, Liquid Platinum w/ Flaxen. Luxury & Cold Weather Pkg
Previous Jeep: 2011 Grand Cherokee Laredo X w/Nav, QT1 & Trailer Tow