If you come close to the robot and hold the interact button, a funny animation will turn on. Process published in Twitter…
This is a kind of Easter egg and a reference to the early art of Battlefield 2042, in which one of the game specialists named Angel strokes a damaged robotic dog.
By the way, you can give orders to the Ranger. For example, follow the hero, go to a certain place, or even self-destruct.
In the latter case, the dog becomes a good weapon, since the explosion turns out to be quite powerful.
Source: Gamespot