A vehicle driver assist system (10; 110) comprising: a housing (12; 112) having a camera mounted therein, the housing (12, 112) having at least one tab (32; 132); and a mounting bracket (14; 114) connectable with the vehicle, the mounting bracket (14; 114) including at least one locking arm (22; 122) having an upper surface (72; 172) that engages a lower surface (36; 136) on the tab (32; 132) on the housing (12; 112), the upper surface (72, 172) on the locking arm (22; 122) extending generally perpendicular to a vertical surface (74; 174) on the locking arm (22; 122), wherein the mounting bracket (14; 114) includes a channel (20; 120) for receiving a second tab (30; 130) on the housing (12; 112), the channel (20; 120) being at least partially defined by an arm extending from a sidewall of the bracket (14; 114), the arm having an end surface and the sidewall having a guide surface, the end surface of the arm and the guide surface at least partially defining an insertion opening that faces generally downwardly, the second tab (30; 130) on the housing (12; 112) sliding into the channel (20; 120) in the mounting bracket (14; 114) through the insertion opening to connect the housing (12; 112) to the mounting bracket (14; 114), the housing (12; 112) and the second tab (30; 130) being pivotal relative to the bracket (14; 114) after the second tab (30; 1309 has slid into the channel (20; 120), characterised in that there is provided a V-shaped notch in the guide surface defined by first and second side surfaces (52, 54) of the notch extending at an angle to each other, the first and second side surfaces (52, 54) of the notch extending transverse to the guide surface, the second tab (30; 130) engaging the second side surface defining the notch and a stop surface on the arm when the housing (12; 112) is connected to the bracket (14; 114). a housing (12; 112) having a camera mounted therein, the housing (12, 112) having at least one tab (32; 132); and a mounting bracket (14; 114) connectable with the vehicle, the mounting bracket (14; 114) including at least one locking arm (22; 122) having an upper surface (72; 172) that engages a lower surface (36; 136) on the tab (32; 132) on the housing (12; 112), the upper surface (72, 172) on the locking arm (22; 122) extending generally perpendicular to a vertical surface (74; 174) on the locking arm (22; 122), wherein the mounting bracket (14; 114) includes a channel (20; 120) for receiving a second tab (30; 130) on the housing (12; 112), the channel (20; 120) being at least partially defined by an arm extending from a sidewall of the bracket (14; 114), the arm having an end surface and the sidewall having a guide surface, the end surface of the arm and the guide surface at least partially defining an insertion opening that faces generally downwardly, the second tab (30; 130) on the housing (12; 112) sliding into the channel (20; 120) in the mounting bracket (14; 114) through the insertion opening to connect the housing (12; 112) to the mounting bracket (14; 114), the housing (12; 112) and the second tab (30; 130) being pivotal relative to the bracket (14; 114) after the second tab (30; 1309 has slid into the channel (20; 120), characterised in that there is provided a V-shaped notch in the guide surface defined by first and second side surfaces (52, 54) of the notch extending at an angle to each other, the first and second side surfaces (52, 54) of the notch extending transverse to the guide surface, the second tab (30; 130) engaging the second side surface defining the notch and a stop surface on the arm when the housing (12; 112) is connected to the bracket (14; 114).