Automatic Cancelation Of Ev Drive Mode; Possible Driving Distance When Driving In Ev Drive Mode; Changing A Driving Mode When In Ev Drive Mode; Fuel Economy - Toyota PRIUS ALPHA 2012 Quick Reference Manual

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Automatic cancelation of EV drive mode

When driving in EV drive mode, the gasoline engine may automatically
restart in the following situations. When EV drive mode is canceled, a buzzer
will sound and the EV drive mode indicator will flash and go off.
●
The hybrid battery (traction battery) becomes low.
●
Vehicle speed becomes high.
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The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
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Possible driving distance when driving in EV drive mode

In EV drive mode, it is possible to drive up to about 1.3 mile (2 km) if driving
at a speed of about 25 mph (40 km/h) or less. (The distance that is possible
depends on the hybrid battery [traction battery] level and driving conditions.)
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Changing a driving mode when in EV drive mode

EV drive mode can be used in conjunction with Eco drive mode and power
mode.
However, EV drive mode may be automatically canceled when used in con-
junction with power mode.
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Fuel economy

PRIUS is designed to achieve the best possible fuel economy during normal
driving (using the gasoline engine and electric motor [traction motor]). Driv-
ing in EV drive mode more than necessary may lower fuel economy.
CAUTION
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While driving
When driving in EV drive mode, pay special attention to the area around the
vehicle. Because there is no engine noise, pedestrians, people riding bicy-
cles or other people and vehicles in the area may not be aware of the vehicle
starting off or approaching them, so take extra care while driving.
2-1. Driving procedures
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