Hyundai Sonata (2011)

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    Radial-ply tires
    Radial-ply tires provide improved tread life, road hazard resistance and smoother high speed ride. The radial- ply tires used on this vehicle are of belted construction, and are selected to comple ...

    Engine coolant
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a ...

    Window defroster switch
    Windshield wiper Blade De-icer (If installed) The windshield wiper blade de-icer is turned on by pushing in the switch. To turn the de-icer off, push the switch a second time. The windshield wi ...