2006 Buick LaCrosse Owner's Manual - Page 169

Low Washer Fluid Warning Light This light will come on briefly when the ignition is on. If the light stays on, a chime will sound indicating your windshield washer fluid is low. Trunk Ajar Light This light will come on and a chime will sound if the trunk is ajar and the vehicle is not in Park (P). Try closing the trunk again. Never drive with the trunk open. See Windshield Washer Fluid on page 5-38 for more information. Service Vehicle Soon Light If equipped, this light will come on and a chime will sound if it detects a problem on the vehicle. Door Ajar Light When the ignition is on, this light will stay on until all doors are closed and completely latched. You will hear a chime if a door is unlatched after the engine is started and the vehicle is not in PARK (P). 3-47