2009-2015 Hyundai Ix35 SUV Introduction -> FUEL REQUIREMENTS User Manual
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Introduction -> FUEL REQUIREMENTS for Your Hyundai Ix35 SUV First Generation (2009-2015)

Introduction  
FUEL REQUIREMENTS  
Your new vehicle is designed to use only  
unleaded fuel having a pump octane  
number ((R+M)/2) of 87 or higher.  
Gasoline containing alcohol and  
methanol  
CAUTION  
Never add any fuel system cleaning  
agents to the fuel tank other than  
what has been specified. (Consult  
an authorized HYUNDAI dealer for  
details.)  
Gasohol, a mixture of gasoline and  
ethanol (also known as grain alcohol),  
and gasoline or gasohol containing  
methanol (also known as wood alcohol)  
are being marketed along with or instead  
of leaded or unleaded gasoline.  
Your new vehicle is designed to obtain  
maximum performance with UNLEADED  
FUEL, as well as minimize exhaust emis-  
sions and spark plug fouling.  
Do not use gasohol containing more than  
10% ethanol, and do not use gasoline or  
gasohol containing any methanol. Either  
of these fuels may cause drivability prob-  
lems and damage to the fuel system.  
WARNING  
• Do not "top off" after the nozzle  
automatically shuts off when  
refueling.  
Discontinue using gasohol of any kind if  
drivability problems occur.  
• Tighten the cap until it clicks one  
time, otherwise the Check Engine  
light will illuminate.  
Vehicle damage or drivability problems  
may not be covered by the manufactur-  
er’s warranty if they result from the use  
of:  
• Always check that the fuel cap is  
installed securely to prevent fuel  
spillage in the event of an acci-  
dent.  
1. Gasohol containing more than 10%  
ethanol.  
2. Gasoline or gasohol containing  
methanol.  
3. Leaded fuel or leaded gasohol.  
1 3  
Introduction  
"E85" fuel is an alternative fuel com-  
prised of 85 percent ethanol and 15 per-  
cent gasoline, and is manufactured  
exclusively for use in Flexible Fuel  
Vehicles. “E85” is not compatible with  
your vehicle. Use of “E85” may result in  
poor engine performance and damage to  
your vehicle's engine and fuel system.  
HYUNDAI recommends that customers  
do not use fuel with an ethanol content  
exceeding 10 percent.  
Do not use methanol  
Gasolines for cleaner air  
Fuels containing methanol (wood alco-  
hol) should not be used in your vehicle.  
This type of fuel can reduce vehicle per-  
formance and damage components of  
the fuel system.  
To help contribute to cleaner air,  
HYUNDAI recommends you use gaso-  
lines treated with detergent additives,  
which help prevent deposit formation in  
the engine. These gasolines will help the  
engine run cleaner and enhance per-  
formance of the Emission Control  
System.  
CAUTION  
Your New Vehicle Limited Warranty  
may not cover damage to the fuel  
system and any performance prob-  
lems that are caused by the use of  
fuels containing methanol.  
Operation in foreign countries  
If you are going to drive your vehicle in  
another country, be sure to:  
CAUTION  
• Observe all regulations regarding reg-  
istration and insurance.  
Your New Vehicle Limited Warranty  
does not cover damage to the fuel  
system or any performance prob-  
lems caused by the use ofE85fuel.  
• Determine that acceptable fuel is avail-  
able.  
CAUTION  
Never use gasohol which contains  
methanol. Discontinue use of any  
gasohol product which impairs dri-  
vability.  
1 4  

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