2004 Lincoln LS Owner Guide 3rd Printing - Page 290

Maintenance and Specifications 6. Replace the air filter housing cover and secure the clamps. Be sure all of the tabs on front edge are correctly aligned as shown. Note: If you encounter any difficulty in replacing your air filter element, have your vehicle serviced at your local dealer. INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING New vehicles are fitted with tires that have a rating on them called Tire Quality Grades. The Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: • Treadwear 200 Traction AA Temperature A These Tire Quality Grades are determined by standards that the United States Department of Transportation has set. Tire Quality Grades apply to new pneumatic tires for use on passenger cars. They do not apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 10 to 12 inches or limited production tires as defined in Title 49 Code of Federal Regulations Part 575.104(c)(2). 290 2004 Lincoln LS (dew) Owners Guide (post-2002-fmt) USA English (fus)