System: fuel; fuel lines.vehicle description: passenger cars with 3.8L V-6 engines.note: if you vehicle IS presented to an authorized dealer on an agreed uponservice date and the remedy IS not provided within a reasonable time and freeof charge or the remedy does not correct the defect or noncompliance, pleasecontact buick customer assistance center at 1-800-521-7300. Also contact thenational highway traffic safety administration's auto safety hotline at1-800-424-9393.