2009 Buick LaCrosse Owner's Manual - Page 190

This message continues to display for two seconds if it has not been acknowledged when the engine is turned off. It also re-displays for two seconds if the message has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. SERVICE BRAKE SYSTEM This message displays when a problem with the brake system has been detected. Have your vehicle serviced by your dealer/retailer as soon as possible. The brake system warning light also appears on the instrument panel cluster when this message appears on the DIC. See Brake System Warning Light on page 3-35. This message only displays while the ignition is in ON/RUN. Press any of the DIC buttons to acknowledge this message and to clear it from the screen. This message continues to display for two seconds if it has not been acknowledged when the engine is turned off. It also re-displays for two seconds if the message has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. SERVICE ABS SYSTEM This message displays when the Antilock Brake System (ABS) is not functioning properly. Have the brake system serviced by your dealer/retailer as soon as possible. The antilock brake system warning light also appears on the instrument panel cluster when this message appears on the DIC. See Antilock Brake System (ABS) Warning Light on page 3-36. This message only displays while the ignition is in ON/RUN. Press any of the DIC buttons to acknowledge this message and to clear it from the screen. This message continues to display for two seconds if it has not been acknowledged when the engine is turned off. It also re-displays for two seconds if the message has been acknowledged, but the condition still exists when the engine is turned off. If the condition still exists, the message re-appears when the engine is turned on. 3-68