Hyundai Sonata (2009)

    See also:

    When to Replace Tires
    The original tires on your car have tread wear indicators. The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear whe ...

    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 ...

    Starting the engine
    WARNING Always wear appropriate shoes when operating your vehicle. Unsuitable shoes (high heels, ski boots,etc.) may interfere with your ability to use the brake, accelerator pedal, and clutch (i ...