The Nio ET9 now comes with a ZF full steer-by-wire system ... one for each rear wheel. With steer-by-wire, the only link between the steering wheel and the front wheels is an electromechanical ...

Do the same after powering on the Cybertruck, and you will see both its front- and rear-wheel steering ... The steering rack (which interestingly appears to be supplied by ZF) has two motors ...