Corrected entry: It is shown that since Joi is a hologram, she can not touch or interact physically with objects and if she does she will fade through them. This is shown when K is analysing the DNA, where she passes through K to read the DNA with him, and when she fades through the hooker to allow K to have sex with her. However, in the scene where she and K go to visit Dr. Badger to have the wooden horse analysed, Joi is shown placing her hand on the door frame, and does not pass through it. (01:35:00)Harris
Corrected entry: When his car is shot down, they break open the car door with a cutting machine. Some time later he closes the door and it's undamaged.