Cadillac STS Owners & PDF Service Repair ManualsService Repair Manuals for Cadillac STS Below you will find free PDF files for select years of your Cadillac STS automobile 2005 Cadillac STS Owners Manuals 2006 Cadillac STS Owners Manuals 2007 Cadillac STS Owners Manuals 2008 Cadillac STS Owners Manuals 2009 Cadillac STS Owners Manuals 2010 Cadillac STS Owners Manuals 2011 Cadillac STS Owners Manuals