Hyundai sonata Owner's Manual page 37

Lumbar support
(for driver's seat, if equipped)
The lumbar support can be adjusted
by pressing the lumbar support switch.
Press the front portion of the switch (1)
to increase support or the rear portion of
the switch (2) to decrease support.
Seatback pocket (if equipped)
ODN8039008
The seatback pocket is provided on the
back of the front seatbacks.
WARNING
To prevent the Occupant Classification
System from malfunctioning:
Do not hang onto the front passenger's
seatback.
CAUTION
Do not put heavy or sharp objects in the
seatback pockets. In an accident they
could come loose from the pocket and
injure occupants.
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ODN8039016
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