2012 Toyota Sequoia Navigation Manual - Page 323
2012 Toyota Sequoia Manual
Page 323 highlights
11 03.30 Please be aware that all current vehicle navigation systems have certain limitations that may affect their ability to perform properly. The accuracy of the vehicle's position depends on the satellite condition, road configuration, vehicle condition or other circumstances. For more information on the limitations of the system, refer to pages 308 through 309. 2