Toyota 2004 Prius Owner's Manual page 9

12p016c
Electric power
in use
When starting or backing up, etc., the
vehicle runs on electric power from hybrid
vehicle battery, because the gasoline en-
gine efficiency is low.
12p017c
Gasoline power
in use
During normal driving, the vehicle runs
mainly on gasoline power. However, the
electric motor, using electric power gener-
ated by the gasoline engine, can supple-
ment the gasoline engine power.
The vehicle controls the optimum ratio of
the gasoline and electric power to help
use energy more efficiently.
12p018c
Electric and gasoline
power in use
When driving at full throttle, additional
electric power is applied from the hybrid
vehicle battery. Vehicle performance impro-
ves.
9