Multifunctional fixator device, rearview device assembling method and vehicle

The invention relates to a multifunctional fixator device, a rearview device assembling method and a vehicle. The present invention relates to an exterior rear view device, and more particularly, to a retainer assembly mountable between a base assembly of the exterior rear view device and a vehicle, the retainer assembly comprising a retainer device mountable on one side to a door attachment portion of a base frame of the base assembly and on an opposite side to a door panel of the vehicle, where the retainer device is provided with an opening, the rear view device includes a base frame for allowing a reference structural element frame of a door attachment portion of the base frame to pass therethrough, and a guide protrusion and/or guide channel portion for providing at least a portion of a guide channel for routing and/or guiding a wire harness from the vehicle to an electrical component of the rear view device, and/or a sealing portion for covering at least a portion of the wire harness. The invention also