when braking on ice or slippery road, low traction light comes on and low brake. on 1996 Buick Regal

Not getting any brake at all and slipping.
Also low brake pedal and can hear grinding noise.
How can i fix it?
Brand new 4 tires.

Asked by for the 1996 Buick Regal
Sounds like it time for brakes, take the vehicle to your mechanic to have it checked out, don't drive the car until you have it looked at please.