A vehicle includes a vehicle body having a front and a rear. A vehicle rear bumper assembly is located at the rear of the vehicle body. The vehicle rear bumper assembly includes a bumper beam reinforcement member having an upper part, a lower part and a rearward most part extending between the upper part and the lower part. A bumper cover extends over the upper part. A mechanical extending component is located in the bumper reinforcement member. The mechanical extending component has a retracted configuration located below the bumper cover and an extended configuration where the mechanical extending component penetrates through the bumper cover in response to a low-energy impact to the rearward most part of the bumper beam reinforcement member.