Toyota 2015 Prius Owner's Manual page 603

Non-recommendation of the use of blended gasoline
■
DO NOT use gasoline
containing more than
15% ethanol.
If you use gasohol in your vehicle, be sure that it has an octane rating no
●
lower than 87.
Toyota does not recommend the use of gasoline containing methanol.
●
Non-recommendation of the use of gasoline containing MMT
■
Some gasoline contains an octane enhancing additive called MMT (Methyl-
cyclopentadienyl Manganese Tricarbonyl).
Toyota does not recommend the use of gasoline that contains MMT. If fuel
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.
●
You may occasionally notice light knocking for a short time while acceler-
●
ating or driving uphill. This is normal and there is no need for concern.
PRIUS_OM_OM47A17U_DVD_(U)
●
(30% ethanol)
(50% ethanol)
(85% ethanol)
Use only gasoline containing up to 15%
ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 15% etha-
nol, including from any pump labeled
E30, E50, E85 (which are only some
examples of fuel containing more than
15% ethanol).
6-1. Specifications
6
585