Sonata 2011 Owners Manual

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Replacing the battery
When the transmitter's battery begins to get weak, it may take several pushes on the button to lock or unlock the doors, and the LED will not light. Replace the battery as soon as possible. B ...

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 ...

Don't Let Your Parking Brake Freeze
Under some conditions your parking brake can freeze in the engaged position. This is most likely to happen when there is an accumulation of snow or ice around or near the rear brakes or if the bra ...