2009 Lexus GS 450h Owners Manual - Page 297

2-5. Driving information CAUTION n Driving with snow tires Observe the following precautions to reduce the risk of accidents. Failing to do so may result in a loss of vehicle control and cause death or serious injury. l Use tires of the size specified for your vehicle. l Maintain the specified level of tire inflation pressure. l Do not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires 2 being used. When driving l Use snow tires on all, not just some wheels. n Driving with snow chains Observe the following precautions to reduce the risk of accidents. Failing to do so may result in the vehicle being unable to be driven safely, and may cause death or serious injury. l Do not drive in excess of the speed limit specified for the tire chains being used, or 30 mph (50 km/h), whichever is lower. l Avoid driving on bumpy road surfaces or over potholes. l Avoid sudden turns and braking, as use of chains may adversely affect vehicle handling. l Slow down sufficiently before entering a curve to ensure that vehicle control is maintained. NOTICE n Repairing or replacing snow tires Request repairs of and obtain replacement snow tires from Lexus dealers or legitimate tire retailers. This is because the removal and attachment of snow tires affects the operation of the tire pressure warning valves and transmitters. n Fitting tire chains The tire pressure warning valves and transmitters may not function correctly when tire chains are fitted. 235 GS_HV_U (OM30B44U) March 8, 2010 10:03 am