Sky, lol....you're so funny. You sure your wife's not mechanical?
My wife's electrical when she's angry. But when she sees a diamond ring or a Piaget she also goes electrical
I think it's quite simple to instal. It comes with instruction but as usual it is in Japanese! If I am not mistaken, it requires some connection to the GTR's G sensor. In operation, the etc override the G sensor. That's about it.