For your information:
11/14/2006 - 2006 - 2007 model year 4Runner and Sienna vehicles equipped with the Toyota Navigation System produced BEFORE the Production Change Effective VINs shown in this TSB. 2007 model year Camry, Camry HV, and Solara vehicles equipped with the Toyota Navigation System produced BEFORE the Production Change Effective VINs shown in this TSB.Some customers may experience a condition with their navigation system, where the vehicle icon is intermittently shown on the map in the wrong location. A special DVD map disc with a revised operating system has been developed to remedy this condition.
NOTE: If the customer has purchased a Gen 5 update disc after November 1,
2006, then this TSB is NOT applicable.