TRC off... maybe u pressed a button or something something that switched your traction control off. If so, just press it again when ur done drifting like one guy said...
If VSC always on... dunno, maybe u screwed the Vehicle Stability Control and it needs checking...
I recently changed the timing belt of my Atos a week before raya. After change, I noticed there is still noise like old belt noise. My fren said this is normal because the belt is now. The noise persists until...