There are two notches on the switch which line up with the face to ensure you put it on the correct way.
NEW Genuine Peugeot 107, Citroen C1 & Toyota Aygo Indicator Stalk Switch 6253A0
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New Genuine Peugeot 107 Citroen C1 Mk1 14" Steel Wheel Rim 5401P0
GENUINE PEUGEOT 107 CITROEN C1 TOYOTA AYGO DOOR HANDLE O/S DRIVERS SIDE (C3)
Toyota Aygo, Peugeot 107 & Citroen C1 petrol (2005-2014) Haynes Repair Manual
Peugeot 107, Citroen C1, Toyota aygo Rev Counter ONLY PETROL!!! .