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An exterior mirror assembly for a vehicle includes a signal light that provides an advanced notification system to approaching vehicles that the driver of the vehicle intends to turn or make a lane change. The exterior mirror assembly includes a housing with a reflective element and a positioning de

An exterior mirror assembly for a vehicle includes a signal light that provides an advanced notification system to approaching vehicles that the driver of the vehicle intends to turn or make a lane change. The exterior mirror assembly includes a housing with a reflective element and a positioning device for adjusting the position of the reflective element in the housing, and at least one signal light positioned in the housing. The signal light includes a light source and a light conduiting member which is adapted to project a pattern of light from the housing and yet restrict light from extending into the vehicle so that a driver seated in the vehicle does not directly observe the pattern of light. The light source may be provided by a light pipe which is optically coupled to a remote light source located, for example, in the vehicle. Preferably, the pattern of light extends rearwardly, forwardly, and laterally from the vehicle. In one form, the light conduiting member includes a light input surface on one end and at least one light emitting surface for directing light outwardly from the housing of the exterior mirror assembly. In another form, the exterior mirror assembly incorporates a signal light which includes a plurality of reflective surfaces for directing light forwardly, rearwardly, and laterally from the vehicle but restricts light from entering into the vehicle and distracting the driver. In yet another form, the exterior mirror assembly includes a powerfold mirror system which incorporates a security light in either the folding portion or non-folding portion of the powerfold mirror system.

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We claim: 1. An exterior mirror assembly for a vehicle comprising: an exterior mirror casing comprising a folding portion pivotally adjustable about a non-folding portion, said non-folding portion including an attachment for mounting to the vehicle, and said folding portion of said exterior mirror

We claim: 1. An exterior mirror assembly for a vehicle comprising: an exterior mirror casing comprising a folding portion pivotally adjustable about a non-folding portion, said non-folding portion including an attachment for mounting to the vehicle, and said folding portion of said exterior mirror casing including a reflective element, said folding portion of said exterior mirror casing being movable between a normal operating position wherein said reflective element provides a rearward field of view and a folded position wherein said folding portion of said mirror casing is closer the vehicle than when in said normal operating position, and said exterior mirror casing having an aerodynamic flow; and at least one security light positioned in said mirror casing wherein said at least one security light is substantially incorporated into said mirror casing and wherein said at least one security light remains so incorporated when said security light is actuated and when said security light is not actuated so as not to impede the aerodynamic flow of said mirror casing, said security light projecting a pattern of light from said exterior mirror assembly when actuated to create a lighted security zone in an area adjacent the vehicle, and said lighted security zone remaining substantially unaffected by the movement of said folding portion. 2. The exterior mirror assembly of claim 1, wherein said security light is positioned in said folding portion of said exterior mirror assembly. 3. The exterior mirror assembly of claim 2, wherein said security light is fixed about a horizontal axis but is pivotal about a vertical axis, and said folding portion further comprising an actuator, said actuator for adjusting the position of said security light in said folding portion about the vertical axis when said folding portion moves to said folded position. 4. The exterior mirror assembly of claim 3, wherein said actuator comprises one of a gear, a belt drive, a servo-motor driver, and a cylinder. 5. The exterior mirror assembly of claim 4, wherein said actuator comprises a gear. 6. The exterior mirror assembly of claim 5, wherein said security light includes a housing, said housing includes a threaded collar, said gear engaging said threaded collar to thereby rotate said housing. 7. The exterior mirror assembly of claim 2, wherein said security light extends into said folding portion behind said reflective element. 8. The exterior mirror assembly of claim 7, further comprising a positioning device, said positioning device adjusting the orientation of said reflective element is said folding portion of said exterior mirror assembly. 9. The exterior mirror assembly of claim 1, wherein said security light has a security light housing, a light source, a light reflecting member supported in said security light housing, and a cover, said light reflecting member directing light from said light source through said cover. 10. The exterior mirror assembly of claim 9, wherein said cover is substantially flush with an outer surface of said one of said folding portion and said non-folding portion to reduce the aerodynamic drag of said security light. 11. The exterior mirror assembly of claim 9, wherein said cover comprises an optical lens. 12. The exterior mirror assembly of claim 9, wherein said cover comprises a Fresnel lens. 13. The exterior mirror assembly of claim 11, wherein said lens is selected from the group consisting of a diffusive optic lens, a diffractive optic lens, a refractive optic lens, a reflective optic lens, a holographic optic lens, a binary optic lens, a clear optic lens, and a sinusoidal optic lens. 14. The exterior mirror assembly of claim 9, wherein said cover is at least one of welded and adhesively attached to said housing of said security light. 15. The exterior mirror assembly of claim 9, wherein said security light housing comprises a material selected from one of a polycarbonate, polyester, nylon, acetal, polypropylene, and ABS. 16. The exterior mirror assembly of claim 9, wherein said light source comprises one of an incandescent lamp, a halogen lamp, a vacuum florescent lamp, at least one light emitting diode, and a light pipe connectable with a light source in the vehicle. 17. The exterior mirror assembly of claim 9, wherein said reflecting member comprises one of a reflective metal, a vacuum metalized substrate, a reflector coated substrate, and a reflective metal filled substrate. 18. The exterior mirror assembly of claim 17, wherein said substrate comprises one of a glass substrate and a plastic substrate. 19. The exterior mirror assembly of claim 1, wherein said signal light comprises a unitary module. 20. The exterior mirror assembly of claim 19, wherein said unitary module includes at least one of a socket and electrical connection for coupling to the vehicle electrical system. 21. The exterior mirror assembly of claim 1, wherein said signal light is positioned in said non-folding portion of said exterior mirror casing. 22. The exterior mirror assembly according to claim 1, wherein said security light includes a housing, a light source positioned in said housing, a light reflecting member supported in said housing, and a cover, said light reflecting member directing light from said light source through said cover. 23. The exterior mirror assembly according to claim 22, wherein said housing is substantially positioned in said non-folding portion. 24. The exterior mirror assembly according to claim 23, wherein said cover is substantially flush with an outer surface of said non-folding portion to reduce the aerodynamic drag of said security light. 25. The exterior mirror assembly according to claim 22, wherein said cover comprises one of a diffusive optic lens, a diffractive optic lens, a refractive optic lens, a reflective optic lens, a holographic optic lens, a binary optic lens, a clear optic lens, and a sinusoidal optic lens. 26. The exterior mirror assembly according to claim 22, wherein said light source comprises one of an incandescent lamp, a halogen lamp, a vacuum fluorescent lamp, at least one light emitting diode, and a light pipe connectable with a light source in the vehicle.