Combined parts to be used in assembling a rear-view side mirror of a vehicle, comprising: a mirror housing adapted to be attached to an outer surface of a vehicle, and defining a first opening and at least a second opening including at least an aperture facing to a front part of said vehicle; a mirror adapted to be mounted in said first opening; first light tight signal modules providing a bi-functional signal: a front spot light to the front, that complements the vehicle's front signals and a side light to the side and rear that complements the side and rear signals; second light signal modules that illuminate the side area next to the vehicle; and a cover (C, C1) adapted to be attached to said housing comprising said second opening, said cover (C, C1) including an aperture configured to permit the passage of light towards said front part and at least towards a rear part through a side end area led away from said outer surface of the vehicle and open towards the rear of said vehicle; wherein the first light signal modules include variants based on combinations of a light source and signal source and with a flexible circuit supporting light sources and based in internal optical light guiding elements that produce output with a direct, indirect and/or reflected light through an external transparent surface, the light signal module including a plurality of connectable refracting, reflecting, emitting and/or receiving functional devices, each of them adapted to be selected and installed in a predetermined position or configuration for refracting, reflecting, emitting and/or receiving light in at least one predetermined direction through said translucent or transparent surface; wherein said transparent surface for any of said variants is comprised in an area between upper and lower horizontal tangents delimiting superior and inferior part of said housing, and placed at the back of said mirror, allowing a light signal to be projected therethrough at least on a plane perpendicular to driving axis to the rear and front, respectively, and wherein said first light signal module or said first light signal module and second light signal module are incorporated to said cover (C, C1) in an inner cavity thereof. a mirror housing adapted to be attached to an outer surface of a vehicle, and defining a first opening and at least a second opening including at least an aperture facing to a front part of said vehicle; a mirror adapted to be mounted in said first opening; first light tight signal modules providing a bi-functional signal: a front spot light to the front, that complements the vehicle's front signals and a side light to the side and rear that complements the side and rear signals; second light signal modules that illuminate the side area next to the vehicle; and a cover (C, C1) adapted to be attached to said housing comprising said second opening, said cover (C, C1) including an aperture configured to permit the passage of light towards said front part and at least towards a rear part through a side end area led away from said outer surface of the vehicle and open towards the rear of said vehicle; wherein the first light signal modules include variants based on combinations of a light source and signal source and with a flexible circuit supporting light sources and based in internal optical light guiding elements that produce output with a direct, indirect and/or reflected light through an external transparent surface, the light signal module including a plurality of connectable refracting, reflecting, emitting and/or receiving functional devices, each of them adapted to be selected and installed in a predetermined position or configuration for refracting, reflecting, emitting and/or receiving light in at least one predetermined direction through said translucent or transparent surface; wherein said transparent surface for any of said variants is comprised in an area between upper and lower horizontal tangents delimiting superior and inferior part of said housing, and placed at the back of said mirror, allowing a light signal to be projected therethrough at least on a plane perpendicular to driving axis to the rear and front, respectively, and