Hyundai Sonata (2011)

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    Engine Exhaust can be Dangerous!
    Engine exhaust fumes can be extremely dangerous. If, at any time, you smell exhaust fumes inside the vehicle, open the windows immediately. o Do not inhale exhaust fumes. Exhaust fumes contain car ...

    Coolant
    The coolant should be changed at the intervals specified in the maintenance schedule. ...

    Malfunction Indicator Light
    This light illuminates when there is a malfunction of an exhaust gas related component and the system is not functioning properly. This light will also illuminate when the ignition key is turned ...