I'm getting that occasionally at low speed less than 10 and usuallywhen turning. The steering wheel sensor was replaced under warranty less than a year ago. Car has 40K on it. It'* an 03 model.

I recently went around rotation the tires and flushing the 4 year old brake fluid out of the lines. Could I have done something opening and bleeding the brake bleeders?

What do I need to check for to determine if it'* at the wheels or in the steering sensor?

The steering position sensor is the most commong cause for receiving that message. There is also the lateral accelerometer behind the back seat, but you weren't near either from what you've said. You may want to check each of the wheel speed sensors at each wheel to see if you knocked loose, or damaged any connections or wires. I'd expect an ABS light to come on with that, however.

i didnt even know that the LeSabres had stabilitrack...

i agree, if it was to be a WSS, i would think that the abs light and trac lights would come on aswell..
Get the car scanned so we can get a better analysis of whats going on

I agree with steering position sensor, they seem to be sensitive, mine goes off all the time now.Isnt it just a plastic disclike piece.Have you had the intermediate shaft clunk, I am wondering if all the clunking I had before I fixed it disturbed the position sensor.