My Insight has flappy paddles so I can shift it if I want to.
It then has 7 preset fake gears that lock the CVT into a fixed ratio.
I have used it to good effect descending a hill in 2013 to increase engine braking, which also increases low speed power regeneration.
Since then, IIRC I accidentally pulled one once last year.
Other than that, I dont use it
My cruise control buttons show signs of wear.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.