Specific complete kit for retrofitting the rear speakers on a Seat Leon KL Cable set connects the rear speakers to the head unit Extension of the existing speaker system (PR no.: 8RE) Additional adjustment of the fader in the infotainment system Scope of delivery: Cable set 2 x wideband speakers Coding dongle* Note: *At the moment, the corresponding control unit must be unlocked for a limited time before use the dongle. This operation must be carried out by a workshop with valid GEKO access