Kia Soul: Fuel requirements

Kia Soul 2014-2019 PS Owner's Manual / Introduction / Fuel requirements

Your new Kia vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher.

Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.

Never add any fuel system cleaning agents to the fuel tank other than what has been specified. (Consult an authorized Kia dealer for details.)

WARNING - Refueling

Do not "top off" after the nozzle automatically shuts off. Attempts to force more fuel into the tank can cause fuel overflow onto you and the ground causing a risk of fire.
Always check that the fuel cap is installed securely to prevent fuel spillage, especially in the event of an accident.

✽ NOTICE

Tighten the cap until it clicks one time, otherwise the fuel cap open warning indicator light (or LCD display) will illuminate.

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