Vehicular mirror with blind spot indicator

An exterior rear vision mirror assembly 10 for a motor vehicle I with a blind spot indicator for visually alerting a driver 5 of the vehicle I to the presence of an object 2 in the vehicle's blind spot 3 is disclosed. The mirror assembly 10 includes a first mirror surface 30 for providing a rearward field 5 of view 4 to a driver 5 of the vehicle I and a second mirror surface 32 for providing a rearward field of view 3 to the driver 5 of a blind spot 3 of the vehicle 1. The mirror assembly 10 further includes a transition surface 34 disposed between the first and second mirror surfaces (30, 32) for displaying a blind spot indicator to the driver 5 when an object 2 is detected in the vehicle's blind spot 3. The transition surface 34 for displaying the blind spot indicator is oriented generally towards the driver of 0 the vehicle and away from other road users. Preferably, the transition surface 34 forms a discrete step or discontinuity between the first and second mirror surfaces (30, 32). rI I 6 10 102 Figure 1 34 50 20 '26 Figure 2