Is a procedure described in your owners manual. In breif, you cycle seats or window through entire range of motion and hold switch at end each range of motion for 5 secs.

May not be your issue but if batt power has been interrupted recently is easy to rule out.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)