At times, the position of the vehicle on the map may be inaccurate due to one
or more of the following reasons:
|     •  | The road system has changed. | 
 
|     •  | The vehicle is driving on slippery road surfaces such as in sand, gravel
and/or snow. | 
 
|     •  | The vehicle is traveling on winding roads. | 
 
|     •  | The vehicle is on a long straight road. | 
 
|     •  | The vehicle is approaching a tall building or a large vehicle. | 
 
|     •  | The surface streets run parallel to a freeway. | 
 
|     •  | The vehicle has just been transferred by a vehicle carrier or a ferry. | 
 
|     •  | The current position calibration is set incorrectly. | 
 
|     •  | The vehicle is traveling at high speed. | 
 
|     •  | The vehicle changes directions more than once, or when the vehicle is
turning on a turn table in a parking lot. | 
 
|     •  | The vehicle is entering and/or exiting a parking lot, garage or a lot
with a roof. | 
 
|     •  | The GPS signal is not received. | 
 
|     •  | A roof carrier is installed on your vehicle. | 
 
|     •  | The vehicle is equipped with tire chains. | 
 
|     •  | The tires are replaced. | 
 
|     •  | The tire pressure for your tires are incorrect. | 
 
|     •  | The first time the map DVD is inserted. | 
 
|     •  | The battery is disconnected for several days. | 
 
|     •  | The vehicle is driving in heavy traffic where driving is at low speeds,
and the vehicle is stopped and started repeatedly. | 
 
To relocate the vehicle position on the map, see 
Setup Menu 
.
If you experience problems with your system, you may need to calibrate the
 system. This may be due to tire pressure differences, or if a spare tire is installed.
To calibrate the system, see 
Setup Menu 
.