Owner's Manual | 2003 Honda Civic Sedan | Honda Owners Site 2003 Civic Coupe Owner's Manual (2-door) 2003 Civic GX Owner's Manual Supplement 2003 Civic Sedan Owner's Manual. To purchase printed manuals, you can order online or contact: Helm Incorporated (800) 782-4356 M-F 8AM – 6PM EST. Delivery time is approximately five weeks. To save paper and time, you can download the latest manuals now.[PDF] 2003 Civic Coupe Online Reference Owner's Manual Contents 2003 Civic Coupe Online Reference Owner's Manual . Use these links (and links throughout this manual) to navigate through this reference. For a printed owner's manual, click on authorized manuals or go to wwwinc. Your selection of a 2003 Honda Civic was a wise investment.