Toyota Sienna 2010 Owner's Manual page 56

Power seat
Seat position adjustment switch
Seatback angle adjustment switch
Seat cushion (front) angle adjustment switch (driver's side only)
Vertical height adjustment switch (driver's side only)
Lumbar support switch (driver's side only)
Seatback table (if equipped on manual seat)
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The folded seat can be used as a temporary table. (→P. 397)
1-3. Adjustable components (seats, mirrors, steering wheel)
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