Hi,

It sounds to me like the ABS (anti-lock brake system)is performing as advertised...that hummm is the ABS controller "pulsing" the brakes to prevent wheel lockup on snowy roads...a good thing!

Or..."The Moose"!

...Ed smile

2000 Silver Frost SVT
#1625 14 Jan 2000
Dual Mode Dampener
A/C switched
K&N Dropin
Magnecor