The invention relates to an operating element (1) having: a panel (2) forming a
visible surface (S) facing an observer (B); a holder (3) arranged on a side of the panel (2) facing away from the observer (B); a foil layer structure (4), which is arranged between the support (3) and the panel (2) and bears against at least one
bearing surface (A) formed on the side surface of the support (3) and / or the panel (2), said foil layer structure forming at least one pair of two lugs (4a, 4a ') arranged opposite each other, the free ends (4b, 4b') of the lugs (4a, 4a ') being directed in opposite directions of extension (y, y'), the lugs (4a, 4a ') each extending in the direction of extension (y, y'), at least one tab (4a, y, y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y', y ', y'; the invention also relates to related uses and installation methods.