For future reference, he’s your proof its possible to be remotely moved.

cpuc.ca.gov/…/tcp0038152a-waymo-al-0003_a1b.pdf

In very limited circumstances such as to facilitate movement of the AV out of a freeway lane onto an adjacent shoulder, if possible, our Event Response agents are able to remotely move the Waymo AV under strict parameters, including at a very low speed over a very short distance.