Lexus SC430 Owner's Manual page 168

SC430_Navi_U (OM24594U)
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 con-
dition, road configuration, vehicle condition or other circumstan-
ces. For more information on the limitations of the system, refer to
pages 28 through 31.
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