841-2. Hybrid system
IS300h_EE(OM53B95E)
There is an air intake vent on the
right side of the rear seatback for
the purpose of cooling the hybrid
battery (traction battery). If the vent
becomes blocked, the hybrid battery
may overheat, leading to a reduc-
tion in hybrid battery output.
When a certain level of impact is detected by the impact sensor, the emer-
gency shut off system blocks the high voltage current and stops the fuel
pump to minimize the risk of electrocution and fuel leakage. If the emer-
gency shut off system activates, your vehicle will not restart. To restart
the hybrid system, contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
A message is automatically displayed when a malfunction occurs in the
hybrid system or an improper operation is attempted.
If a warning message is shown on
the multi-information display, read
the message and follow the instruc-
tions.
(P. 513)
Hybrid battery (traction battery) air vent
Emergency shut off system
Hybrid warning message
573
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53B95E)
Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only
accommodates the special nozzle on unleaded fuel pumps.
If your engine knocks
Consult any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
You may occasionally notice light knocking for a short time while accelerating
or driving uphill. This is normal and there is no need for concern.
Fuel information
EU area:
Your vehicle must use only unleaded gasoline conforming to European
standard EN228.
For optimum engine performance, select unleaded gasoline with a
Research Octane Number of 95 or higher.
Except EU area:
Your vehicle must use only unleaded gasoline.
For optimum engine performance, select unleaded gasoline with a
Research Octane Number of 95 or higher.
