During the first minutes of the movie, almost every time we see a shot through the lens of the camera that is rolling, the running time and remaining battery time are different. But it is supposed to be a continuous shot.
When the steering fails, Tommy says the hydraulic line is gone. Asked if he can fix it, he says he will need to replace all the hoses and bleed the lines. They steer manually for a while and a moment later, the steering is suddenly fixed.