Re: Highlander after market Mpg savers?
The Prius is capable of this function, but I haven't heard if the Highlander is or not.
In the Prius' case it's a matter of installing a switch (just a momentary push button) and a wire to the high voltage electronic control unit plug, and another wire to car chassis. Google for a PDF explaining how to install it "Prius EV Mod" or something along those lines.
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