What Does The B Stand For In A Prius

The b is for engine braking.

Because the prius has regenerative braking which returns otherwise wasted energy from braking to the hybrid drivetrain a. Mobil 1 engine oil https amzn to 2ja672m filter https amzn to 2frjxi1 special prius filter wrench https amzn to 3080p6t oil drian plug gasket. In the course of normal driving the driver never needs to use b mode engine braking mode. The prius however has no gearbox in the usual sense of the term.

By a special configuration of the motor generators the engine spins and helps hold back the car just as in a car with a gearbox see how b mode works below. Unlike a conventional vehicle with modes p r n d 2 1 park reverse neutral drive 2nd gear 1st gear the prius has a power button a park button and a selector for modes r n d and b reverse neutral drive and engine braking. B mode brake braking does position power prius shifter what may 8 2016 1 use the b position of the mode selector lever in exactly the same circumstances as you would change to a lower gear to slow down a conventional car. Toyota have made special provision for engine braking and to activate this you put the mode selector lever in the b position.

It s somewhat like putting the car in low gear with a conventional transmission. Check out all of my videos. Everyone everywhere including my toyota dealer agrees that b gear is used only in long downhills.