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Upper Electronic Module (UEM) (2005-2009): Function: Compass

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Integrated Compass
GLL157202Courtesy of VOLVO CARS OF NORTH AMERICA.

The compass detects the magnetic pull of the North and South Poles. Using this, the compass calculates the direction in which the front of the vehicle is pointing.

The display in the top right-hand corner of the rear view mirror shows the compass direction. Eight different directions can be displayed, using the abbreviations N, NE, E, SE, S, SW, W and NW.