As created by Evan - easy to print and take out to your car! (see next post for current version) Dave.
I just installed the switch from Coastal. 1 little detail, the silver passenger side vent cover comes off easier if you push up at the bottom rather than trying to pull straight out.
FYI, if you don't want to mess with trying to make the female connector to mate with the factory EV button, I found something at Fry's that worked nicely. Its a wiring harness for motherboard: Motherbrd (sic) Power Supply Extension P8/P9 Kit PLU#86800 F04-207 (not sure what this number is) made by GQ, Great Quality (probably in China) $6.99 comes with two, so you have spare You just have to clip off some plastic alignment guides and snaps, and it fits right in. The friction fit on the metal posts seems to be sufficient to hold it in. Regards and good luck, Nick