I have a 1991 LS400. I am fairly used to modern automatics and am comfortable on when (if ever) to use my '2' and '1' selectors.
I'm also comfortable with the PWR / Econ programmes.
But my problem is with the Overdrive button. I gather that turning off overdrive effectivly reduces the box from a 4 spped to a 3 speed one.
My problem is, under what circumstances would I ever want to do this?
Thanks for the enlightenment in advance.