Hyundai Sonata (2011)

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    Key operations
    (1) Master key (M) Used to start the engine, lock and unlock the doors, lock and unlock the glove box, and open the trunk. (2) Sub key (S) Used only to start the engine and lock and unlock the doo ...

    Locking doors
    1. Close all doors. 2. Push the "LOCK" button on the transmitter. 3. At the same time all doors lock, the turn signal light will blink once to indicate that the system is locked. ...

    Interior light
    Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge. ...