2008 Jeep Wrangler Owner's Manual - Page 443

442 IF YOU NEED CONSUMER ASSISTANCE • Diagnostic Procedure Manuals Diagnostic Procedure Manuals are filled with diagrams, charts and detailed illustrations. These practical manuals make it easy for students and technicians to find and fix problems on computer-controlled vehicle systems and features. They show exactly how to find and correct problems the first time, using step-bystep troubleshooting and drivability procedures, proven diagnostic tests and a complete list of all tools and equipment. • Owner's Manuals These Owner's Manuals have been prepared with the assistance of service and engineering specialists to acquaint you with specific DaimlerChrysler Corporation vehicles. Included are starting, operating, emergency and maintenance procedures as well as specifications, capabilities and safety tips. Call toll free at: • 1-800-890-4038 (U.S.) • 1-800-387-1143 (Canada) Or Visit us on the Worldwide Web at: • www.techauthority.daimlerchrysler.com • www.daimlerchrysler.ca/manuals DEPARTMENT OF TRANSPORTATION UNIFORM TIRE QUALITY GRADES The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire's manufacturer in each category is shown on the sidewall of the tires on your vehicle.