The lighting and / or signaling to vehicle

Device (4) of lighting and / or signaling to a vehicle, comprising a support (9, 62, 80, 85) equipped with a fixing means (51) to the vehicle and a movable block (10, 60, 86) It presents a reference position relative to the support (9, 62, 80, 65) and which is equipped with at least one indicating element (12) designed to be light, with the block (10, 60, 86) movable in rotation relative to the support (9, 62, 80, 85) about a pivot axis (11, 71, 93) offset laterally with respect to said signal member (12) in a direction perpendicular to the advance of the vehicle, the device comprising a resilient biasing designed to bring the movable block (10, 60, 86) to said reference position when the movable block is located in a displacement zone with automatic return (16) and to exert a locking force between the support (9, 62, 80, 85) and the moving block (10, 60, 86) when the latter is in the reference position, characterized in that the resilient biasing comprises an elastomer spring monoblock (75) having two polygonal cylindrical portions coaxial (76, 77), receiving (76) portions a tree polygonal (78) fitted and fixed to the movable block (60) respectively to support the other portion being received (77) in a seat (79) fixed to the support (80) respectively to movable block.