It’s from Ghost in the Shell, Fuchikomas are autonomous robot combat vehicles, “autistic mode” means manually disabling one’s own network connections, she’s giving them the order to isolate themselves from external signals to defend against intrusion or other countermeasures

Airplane mode for robots and/or cyborgs in a sci-fi manga. They have people with cyberized brains go into autistic mode in the movies/anime series lol