Hyundai Sonata (2011)

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    Ignition switch position
    LOCK Without the immobilizer The steering wheel locks to protect against theft. The ignition key can be removed only in the LOCK position. When turning the ignition switch to the LOCK position, ...

    7,500 miles (12,000 km) or 6 months
    Inspect air cleaner filter Inspect vacuum hose Replace engine oil and filter (7,500 miles (12,000 km) or 12 months) ...

    Key Positions
    WARNING: The engine should not be turned off or the key removed from the ignition key cylinder while the vehicle is in motion. The steering wheel is locked by removing the key. o "START&q ...