Kia Rio 2006 Owner's Manual page 35

Knowing Your Vehicle
Rear height of front seat cushion
Move the rear portion of the control knob up to
raise or down to lower the rear part of the seat
cushion.
3-24
S2BLA340D
Height of front seat cushion
To raise or lower the seat cushion totally, pull up
and push down on the center of the corresponding
switch.
S2BLA340E