On November 15, automotive cybersecurity researcher Matthew KuKanich shared a video on Reddit demonstrating the use of a Nintendo Switch 2 controller to operate a Tesla vehicle.
KuKanich jailbroke the Switch 2 and developed a custom application called CAN Commander. The app sends control commands to the vehicle via the car’s CAN bus. KuKanich stated on X that he developed custom Switch 2 software and an external CAN control system for his own Tesla.
The app maps vehicle functions to Switch 2 controller buttons: the left joystick controls the steering wheel, the ZR button controls acceleration, the ZL button controls braking, the A button toggles between drive and reverse gears, the L and R buttons control the turn signals respectively, the X button triggers a single windshield wiper swipe, and the Y button is used for honking. The app reads and displays real-time vehicle speed, steering wheel angle, current gear, and device connection status on screen. The system includes a built-in safety feature requiring users to hold down the B button continuously to exit the control interface.
In the demonstration video, the Tesla was stationary. When KuKanich moved the Switch 2’s left joystick, the steering wheel inside the car turned accordingly, and the turn signals flashed in response to commands. The system can control the steering wheel, throttle, brakes, turn signals, horn, gear selection, and windshield wipers.
Previously, KuKanich had demonstrated controlling a Tesla vehicle using an Xbox controller, as well as using a Nintendo Wii Remote with motion control support to control the vehicle’s steering wheel. Some of the videos he published showed these control schemes being used on actual roads.
KuKanich has not yet publicly released the source code for this project, but he indicated that he may upload the code to his GitHub page in the future.
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