2003 Toyota Sienna Owners Manual - Page 304

03 SIENNA_U (L/O 0207) Rotating tires When replacing a tubeless tire, the air valve should also be replaced with a new one. Initial adjustment of the tire pressure warning system is necessary after you have replaced your tires. See "Tire pressure warning system" in Section 1−6. To equalize the wear and help extend tire life, Toyota recommends that you rotate your tires according to the maintenance schedule. (For scheduled maintenance information, please refer to the "Scheduled Maintenance Guide" or "Owner's Manual Supplement".) However, the most appropriate timing for tire rotation may vary according to your driving habits and road surface conditions. See "If you have a flat tire" in Section 4 for tire change procedure. Steel wheels with a compact spare tire and aluminum wheels When rotating tires, check for uneven wear and damage. Abnormal wear is usually caused by incorrect tire pressure, improper wheel alignment, out −of −balance wheels, or severe braking. CAUTION Do not include a compact spare tire when rotating the tires. It is designed for temporary use only. Initial adjustment of the tire pressure warning system is necessary after you have rotated your tires. See "Tire pressure warning system" in Section 1−6. Steel wheels without a compact spare tire 304 2003 MY SIENNA (OM45410U)