Toyota Prius 2011, Owner'S Manual, Page: 453 / 651

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4-3. Do-it-yourself maintenance
PRIUS_U (OM47685U) DVD
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury observe the following precautions.
n
When working on the engine compartment
l Keep hands, clothing, and tools away from the moving fan.
l Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc. right after driving as they may be hot. Oil and other fluids
may also be hot.
l Do not leave anything that may burn easily, such as paper or rags, in the
engine compartment.
l
Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes
are flammable.
l Never touch, disassemble, remove or replace the high voltage parts,
cables and their connectors. It can cause severe burns or electric shock
that may result in death or serious injury.
l
When the hybrid system is operating with the “READY” indicator on, the
engine may suddenly start in some cases. When you inspect the engine
compartment, be sure to turn off the hybrid system.
n When working near the electric cooling fan or radiator grille
Be sure the “POWER” switch is OFF.
With the “POWER” switch in ON mode, the electric cooling fan may automat-
ically start to run if the air conditioning is on and/or the coolant temperature
is high. (
→
P. 444)
n Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.