2007 Buick Lucerne Owner's Manual - Page 203

If the traction control system is manually turned off, this light will come on and the TRACTION CONTROL OFF message will appear on the DIC. When the system is active, the light will flash while the system is limiting wheel spin or assisting you in controlling the vehicle. You may also feel or hear the system working. This is normal. See Traction Control System (TCS) on page 283 and DIC Warnings and Messages on page 221 for more information. If the warning light does not come on then, have it fixed so it will be ready to warn you if there is a problem. This light may come on after you first start to drive and the STABILITRAK NOT READY message will appear in the Driver Information Center (DIC). See StabiliTrak® System on page 284 for more information. If the light stays on, or comes on when you are driving a SERVICE STABILITRAK message will appear in the DIC. This indicates that there may be a problem with the StabiliTrak® system and your vehicle may need service. When this warning light is on and the SERVICE STABILITRAK message appears on the DIC, the system will not assist you in controlling the vehicle. Adjust your driving accordingly. When the system is active, the light will flash while the system is assisting you in controlling the vehicle. You may also feel or hear the system working. This is normal. See StabiliTrak® System on page 284 and DIC Warnings and Messages on page 221 for more information. StabiliTrak® Indicator Light This warning light should come on briefly when the engine is started. 203