Just pondering why the Mirror switch on the Yaris isn't illuminated, now the switch looks identical to the one in the Auris I had a look at my one in the car, and it's the same 28 pin (folding mirrors) as the Auris, so i looked up the pin outs And the plug (terminal side) The Yaris switch isn't wired for illumination, but the headlight levelling switch beside it is   So i have some spare terminals/reclaimed wiring (0.64 II terminals), The question is, d