Quote Originally Posted by RBE9 View Post
AT HIGH SPEED the ecu DOES NOT let you switch into neutral. Factory Programmed.... TRY 60.
At low speed yes it does let you put it into neutral. I would be shocked if you could at 60 or higher speeds safely... I forgot the set rate.
indeed, on the prius the gas engine kicks in at around 20-26 mph, depending on how heavy footed you may be it may kick in earlier.