Two-part device, vehicle light with such two-part device and method of manufacture

An automotive lighting unit, comprising:

• a lamp fixture;
• and
• an LED retrofit lamp mounted to the lamp fixture, the LED retrofit lamp comprising:
• an assembly comprising:
• a first part having a first fixation face, and
• a second part separate from the first part, the second part having a second fixation face, the first and second parts being arranged adjacent one another with the first fixation face in contact with the second fixation face, and
• a circlip fixation position having a rounded shape transverse to the first fixation face and the second fixation face, and
• a circlip having an at least partially rounded inner surface that engages the rounded shape at the circlip fixation position, fixing the first and second parts together.

A method of manufacturing an LED retrofit lamp, the method comprising:

• providing a first part having a first fixation face;
• providing a second part separate from the first part and having a second fixation face;
• arranging the first and second parts adjacent one another with the first fixation face in contact with the second fixation face to form an assembly comprising a circlip fixation position that has a rounded shape transverse to the first fixation face and the second fixation face;
• providing a circlip having an at least partially rounded inner surface;
• and
• fixing the first and second parts together by engaging the rounded shape of the assembly at the fixation position with the at least partially rounded inner surface of the circlip.