User Manual - Page 8

For 2016 HYUNDAI I40.

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13
Introduction
Petrol engine
Unleaded
For the optimal vehicle performance, we
recommend you use unleaded petrol
which has an octane rating of RON
(Research Octane Number) 95 / AKI
(Anti Knock Index) 91 or higher. (Do not
use methanol blended fuels.)
You may use unleaded petrol with an
octane rating of RON 91-94 / AKI 87-90
but it may result in slight performance
reduction of the vehicle.
Your new vehicle is designed to obtain
maximum performance with UNLEADED
FUEL, as well as minimise exhaust emis-
sions and spark plug fouling.
Petrol containing alcohol and
methanol
Gasohol, a mixture of petrol and ethanol
(also known as grain alcohol), and petrol
or gasohol containing methanol (also
known as wood alcohol) are being mar-
keted along with or instead of leaded or
unleaded petrol.
Do not use gasohol containing more than
10% ethanol, and do not use petrol or
gasohol containing any methanol. Either
of these fuels may cause drivability prob-
lems and damage to the fuel system,
engine control system and emission con-
trol system.
Discontinue using gasohol of any kind if
drivability problems occur.
Vehicle damage or driveability problems
may not be covered by the manufactur-
er’s warranty if they result from the use
of:
1. Gasohol containing more than 10%
ethanol.
2. Petrol or gasohol containing methanol.
3. Leaded fuel or leaded gasohol.
FUEL REQUIREMENTS
CAUTION
NEVER USE LEADED FUEL. The
use of leaded fuel is detrimental to
the catalytic converter and will
damage the engine control sys-
tem’s oxygen sensor and affect
emission control.
Never add any fuel system cleaning
agents to the fuel tank other than
what has been specified. (We rec-
ommend that you consult an autho-
rised HYUNDAI repairer for details.)
WARNING
Do not "top off" after the nozzle
automatically shuts off when
refuelling.
Always check that the fuel cap is
installed securely to prevent fuel
spillage in the event of an acci-
dent.
CAUTION
Never use gasohol which contains
methanol. Discontinue use of any
gasohol product which impairs dri-
vability.
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