Hyundai Sonata (2009)

    See also:

    Front fog light switch
    (If installed) To turn on the front fog lights, push the switch. They will light when the headlight switch is in the second position and the ignition key is in the "ON" position. NOTE ...

    Exhaust Pipe and Muffler
    Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration, or damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace part ...

    Fuel filter
    A clogged filter can limit the speed at which the vehicle may be driven, damage the emission system and cause multiple issues such as hard starting. If an excessive amount of foreign matter accumu ...