Hyundai Sonata (2009)

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    If the engine overheats
    If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine is probably too hot. If this happens, you should: 1. Pull off the road ...

    Use Unleaded Gasoline
    Unleaded gasoline with a Pump Octane Rating of 87 (Research Octane Number 91) or higher must be used in your Hyundai. WARNING: o Do not "top off" after the nozzle automatically shuts o ...

    Opening the fuel filler lid
    The fuel filler lid must be opened from inside the vehicle by pushing the fuel filler lid opener button. NOTICE If the fuel filler lid will not open because ice has formed around it, tap lightly ...