Subaru Outback Manuals 2011 Outback Navigation System Manual | Page 102

General Information (10) The vehicle's mark could deviate from its actual position after the tires have been replaced. (11) While driving on a public road, if an expressway that is under construction travels over the public road, the position mark of the vehicle may be indicated on a different road. (12) If other electronic devices are installed on the instrument panel, these devices may adversely affect the GPS signal communication and the position of the vehicle may not be indicated correctly. I How the vehicle position is detected Detecting the vehicle's position through the GPS GPS stands for "Global Positioning System", which is a system used for detecting an object's position through the use of satellites of the U.S. Department of Defense. Radiowave signals from three or more satellites are received by the navigation system, which utilizes the princip