An exterior rearview mirror assembly (10, 110) for a vehicle includes a housing (14, 114) connectable to a vehicle (12). A mirror (18) is disposed in an opening (16) in the housing (14, 114). A member (70, 170) connected to the housing (14, 114) has a reflective portion (78, 178) for reflecting light from another vehicle. The member (70, 170) also has a turn signal lens (88, 188) through which a turn signal light (36, 136) shines. A second lens (46) may direct light from the turn signal light (36) to the turn signal lens (88).