2013 TOYOTA PRIUS PLUG-IN fuel pump

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1-1. Plug-in hybrid system
1
Before driving
PRIUS PHV_OM_OM47787U_(U)
Hybrid battery (traction battery) air vents
There are air intake vents on the
side of the rear right seatback
and on the front corner of the left
rear seat cushion for the purpose
of cooling the hybrid battery
(traction battery). If the vents
become blocked, the hybrid bat-
tery (traction battery) may over-
heat, leading to a reduction in
hybrid battery (traction battery)
output.
Emergency shut off system
When a certain level of impact is detected by the impact sensor, the
emergency shut off system blocks off the high voltage current and
stops the fuel pump to minimize the risk of electrocution and fuel
leakage. If the emergency shut off system activates, your vehicle will
not restart. To restart the hybrid system, contact your Toyota dealer.

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6-1. Specifications
6
Vehicle specifications
PRIUS PHV_OM_OM47787U_(U)
Fuel information
■Fuel tank opening for unleaded gasoline
To h e l p p r e v e n t i n c o r r e c t f u e l i n g , y o u r v e h i c l e h a s a f u e l t a n k o p e n i n g t h a t
only accommodates the special nozzle on unleaded fuel pumps.
■Gasoline quality
In very few cases, driveability problems may be caused by the brand of gas-
oline you are using. If driveability problems persist, try changing the brand of
gasoline. If this does not correct the problem, consult your Toyota dealer.
Yo u m u s t o n l y u s e u n l e a d e d g a s o l i n e i n y o u r v e h i c l e .
Select octane rating 87 (Research Octane Number 91) or higher. Use
of unleaded gasoline with an octane rating lower than 87 may result
in engine knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should meet the specifications
of ASTM D4814 in the U.S.A. and CGSB3.5-M93 in Canada.

623
6-1. Specifications
6
Vehicle specifications
PRIUS PHV_OM_OM47787U_(U)
■Non-recommendation of the use of blended gasoline
●If you use gasohol in your vehicle, be sure that it has an octane rating no
lower than 87.
●To y o t a d o e s n o t r e c o m m e n d t h e u s e o f g a s o l i n e c o n t a i n i n g m e t h a n o l .
■Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhancing additive called MMT (Methyl-
cyclopentadienyl Manganese Tricarbonyl).
To y o t a d o e s n o t r e c o m m e n d t h e u s e o f g a s o l i n e t h a t c o n t a i n s M M T. I f f u e l
containing MMT is used, your emission control system may be adversely
affected.
The malfunction indicator lamp on the instrument cluster may come on. If
this happens, contact your Toyota dealer for service.
■If your engine knocks
●Consult your Toyota dealer.
●Yo u m a y o c c a s i o n a l l y n o t i c e l i g h t k n o c k i n g f o r a s h o r t t i m e w h i l e a c c e l e r -
ating or driving uphill. This is normal and there is no need for concern.
●Use only gasoline containing a maxi-
mum of 10% ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 10% etha-
nol, including from any pump labeled
E15, E30, E50, E85 (which are only
some examples of fuel containing more
than 10% ethanol).
DO NOT use gasoline
containing more than
10% ethanol.
(15% ethanol)
(50% ethanol)
(85% ethanol)