TIPS FOR THE NAVIGATION SYSTEM
TIPS FOR THE NAVIGATION SYSTEM
GPS( GLOBAL POSITIONING SYSTEM)
REGARDING ERRORS IN CURRENT POSITION DISPLAY
The system displays the vehicle current position based on GPS information and data from various sensors and road maps. However, when the radiowave signals from GPS satellites are weak or when signals are received from only two satellites or less, errors may occur in the position. Modifying or adjusting the system will not prevent these errors.
LIMITATIONS OF THE NAVIGATION SYSTEM
This navigation system calculates the current position using satellite signals, various vehicle signals, map data, etc. However, an accurate position may not be shown depending �������������������������������������������������������������� or other circumstances.
The Global Positioning System( GPS) developed and operated by the U. S. Department of Defense provides an accurate current position, normally using 4 or more satellites, and in some case 3 satellites. The GPS system has a certain level of inaccuracy. While the navigation system compensates for this most of the time, occasional positioning errors of up to 300 ft.( 100 m) can and should be expected. Generally, position errors will be corrected within a few seconds.
The GPS signal may be physically obstructed, leading to inaccurate vehicle position on the map screen. Tunnels, tall buildings, trucks, or even the placement of objects on the instrument panel may obstruct the GPS signals.
The GPS satellites may not send signals due to repairs or improvements being made to them.
Even when the navigation system is receiving clear GPS signals, the vehicle position may not be shown accurately or inappropriate route guidance may occur in some cases.
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