Press the DSC button once to turn off DSC (Dynamic Stability Control). The DSC warning light comes on to tell you DSC is disabled.
Hold down the DSC button for about 3 - 4 seconds to turn off DBC (Dynamic Braking Control). The brake light indicator will illuminate in yellow to warn that DBC is off.
Now you spin the rear wheels.
ABS (Antilock Braking System) cannot be turned off.