That is just the electronic stability control. The traction control is still on, he says it on the video. In fact from him I know it's not possible, because the ABS fuse shares the same fuse with the immobiliser, and if you turn it off you won't be able to start the car.
There is indeed a way you can turn it off, if you lift the fron wheels up and you let the spin freely for 2-3 minutes, the car will get into "Dyno mode". But once you go above 40km/h the car switches back to normal.
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u/JohnnyZ87 6d ago
This guy did it on gen 2 sandero. Maybe on gen 3 is not working anymore... dacia sandero deactivate esp