2004 Chrysler Town & Country Owner's Manual - Page 274

274 STARTING AND OPERATING Section of this manual. More frequent rotation is permissible if desired. The reasons for any rapid or unusual wear should be corrected prior to rotation being performed. NOTE: The Tire Pressure Monitor system must be retrained following a tire rotation. See your authorized dealer for service. The suggested rotation method is the "forward-cross" shown in the following diagram. FUEL REQUIREMENTS Your vehicle is designed to meet all emission regulations and provide excellent fuel economy when using high quality regular unleaded gasoline with an octane rating of 87. The use of premium gasoline is not recommended. The use of premium gasoline will provide no benefit over high quality regular gasolines, and in some circumstances, may result in poorer performance. Light spark knock at low engine speeds is not harmful to your engine. However, continued heavy spark knock at high speeds can cause damage and immediate service is required. Engine damage resulting from operating with a heavy spark knock may not be covered by the new vehicle warranty.