How do i clear all codes for my 2000 cadillac Deville

Hopefully, you plan to fix the problem and not just clear the codes. They will probably return and it sounds like you may need a wheel sensor replaced to prevent them from coming back.

if you have 3 buttons on the right side of the dash hold the 1st and 3rd button down and the codes should come up. You can also look on the internet for the instructions