Hyundai Sonata (2011)

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    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 ...

    135,000 miles (216,000 km) or 108 months
    ❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Inspect air conditioning refrigerant ❑ Inspect brake hoses and lines ❑ Inspect drive shafts and boots d ...

    Gasolines for Cleaner Air
    To help contribute to cleaner air, Hyundai recommends you use gasolines treated with detergent additives, which help prevent deposit formation in the engine. These gasolines will help the engine r ...