2004 Toyota Highlander Owners Manual - Page 308

'04 HIGHLANDER_U (L/O 0308) All season tires, however, do not have adequate traction performance compared with snow tires in heavy or loose snow. Also, all season tires fall short in acceleration and handling performance compared with summer tires in highway driving. CAUTION D Do not mix summer and all season tires on your vehicle as this can cause dangerous handling characteristics, resulting in loss of control. D Do not use tire other than the manufacturer's designated tires, and never mix tires or wheels of the sizes different from the originals. 308 2004 HIGHLANDER from Aug. '03 Prod. (OM48478U)