2009 Toyota Highlander Owners Manual - Page 253

2-4. Using other driving systems CAUTION n Replacing tires Make sure that all tires are of the same size, brand, tread pattern and total load capacity. In addition, make sure that the tires are inflated to the appropriate tire pressure level. The ABS and VSC systems will not function correctly if different tires are fitted on the vehicle. Contact your Toyota dealer for further information when replacing tires or wheels. n Handling of tires and suspension Using tires with any kind of problem or modifying the suspension will affect the VDIM, and may cause the system to malfunction. 2 When driving 223