2007 Lexus LS 460 Owners Manual - Page 543

4-3. Do-it-yourself maintenance For vehicles sold in Canada NOTE: Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. CAUTION n Tire pressure warning system operation The tire pressure warning system may not provide warning immediately if a tire bursts or if sudden air leakage occurs. n When inspecting or replacing tires Observe the following precautions to prevent accidents. Failure to do so may cause damage to parts of the drive train, as well as dangerous handling characteristics, which may lead to fatal or injury accidents. l Do not mix tires of different makes, models, tread patterns or tread wear. l Do not use tire sizes other than those recommended by Lexus. l Do not mix radial, bias-belted, or bias-ply tires. l Do not mix summer, all season and winter tires. l Do not use tires that have been used on another vehicle. 4 Maintenance and care Do not use tires if you do not know how they were used previously. n When initializing the tire pressure warning system Do not push the tire pressure warning reset switch without first adjusting the tire inflation pressure to the specified level. Otherwise, the tire pressure warning light may not come on even if the tire inflation pressure is low, or it may come on when the tire not inflation pressure is actually normal. 517