Prius User-Guide (2010-2012)
DRIVING
Just Drive It !
The “Just Drive It” advice still remains good advice. Misconceptions about the technology have
been dispelled over the years. Yet, some new owners are compelled to drive differently, assuming
that will result in higher efficiency. In reality, there’s nothing special you actually need to do.
Just drive it as you would any other vehicle. The system is designed to operate in the most
efficient manner automatically. Enjoy the smooth & quiet operation.
Modes
There are actually 4 available. 3 are activated by pressing the button provided for it. The 4
th
is the
“Normal” mode; it is automatically active when none of the other 3 modes are selected.
EV comes in handy when you need more power at slow speeds but would like the engine to remain
off. ECO provides greater play with the accelerator pedal, as well as altering the A/C and Heater
thresholds for more efficient operation. PWR allows you to take advantage of the power the
system offers.
Don’t mistake the buttons for traditional low-gear or over-drive options. The selection choice is
there for you to optimize efficiency and specify pedal preference. Performance itself is not altered.
Similar to the regular model Prius, the PHV offers 4 operational modes. ECO, PWR, and Normal
work the same. The button unique button is for switching between HV and EV modes.
EV allows you to drive up to 62 mph (100 km/h) using only electricity, without the gas engine in
motion. HV is the option available to preserve that EV for use later, since you may want to save
electricity while on the highway for city driving afterward. EV is available for faster speeds, but
the engine will run in conjunction with the electric motor then, delivering very high MPG as a
result. This automatic mode is referred to as EV-BOOST.
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