Fuel Information - Lexus 2013 IS250 Owner's Manual

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.

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.
IS250_EE(OM53B11E)
9-1. Specifications
547
9