2003 Cadillac CTS Q&A

2003 Cadillac CTS Question: WHY DOES THE STABILITY CONTROL ENGAGED LIGHT MEAN

THE STABILITY CONTROL ENGAGED LIGHT COMES ON THEN WHEN I HIT THE BRAKE IT VIBRATES FOR A SECOND THEN GOES AWAY. WHAT DOES THIS MEAN? -
Answer 1
Service stbility control what does that mean -