The Repair Manual Haynes (1420) covers the Skylark 86-91, Somerset 85-87, Calais, and Grand Am 85-91 models. Published by Haynes in the United States in 1991, this manual provides detailed instructions and diagrams for servicing and repairing these vehicles. Made of paper, this manual is a valuable resource for car enthusiasts looking to maintain or fix their classic cars from the 1980s and 1990s.