The only time I've seen AWD vehicle *slowly* spin the wheels when given a lot of gas is if the traction control is intervening to prevent wheel spin *and* the vehicle is high centered. In such situation, you are out of luck since no wheel can get traction.
Turning VDC off will turn off VDC but (at least on the 1st gen) the front "brake limited slip differential" (aka traction control) will continue to function. VDC involves both stability control and traction control, but apparently VDC off only disables the stability control. VDC doesn't "lock" the wheels - it modulates the throttle and ABS brakes to vector the car back into the line measured from the steering angle sensor.
I've never gotten stuck with AWD Lock and VDC off. Except when I was high centered.
Living in New England, you must know that you have to keep a shovel in the trunk.
2003 Midnight Blue SE AWD w/VDC
Colgan Bra, Mobil One, JWT POP charger
PAC aux input adapter, hardwired Escort Passport x50, KUDA mount for MP3 player, Porterfield R4S brake pads (now Akebono ProACT), ATE Superblue
Yokohama Envigor (much improved over stock Goodyears)
Lots of squeaks and rattles.
R.I.P. 10/15/2015 CVT failure.
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