2007 Mercedes GL-Class Owner's Manual - Page 184

Controls in detail Control system Drive a full circle at a vehicle speed of between 3 mph and 6 mph (5 km/h and 10 km/h). When calibration was successful, the following message appears in the multifunction display: Compass calibration Completed successfully Audio search function Use of the Audio search function to select a radio station will enable you to start a frequency scan (Freq.) ( page 166) or select a radio station stored in memory (Memory). Move the selection marker with button æ or ç to the Vehicle submenu. Press button j or k repeatedly until the message Audio Search function appears in the multifunction display. The selection marker is on the current setting. Setting automatic locking Use this function to activate or deactivate the automatic central locking. With the automatic central locking system activated, the vehicle is centrally locked at vehicle speeds of approximately 9 mph (15 km/h). Move the selection marker with button æ or ç to the Vehicle submenu. Press button j or k repeatedly until the message Automatic door lock appears in the multifunction display. The selection marker is on the current setting. i If the message Compass calibration Completed successfully does not appear in the multifunction display, drive another full circle. If calibration does not succeed within 3 minutes, the message Compass Calibration appears in the multifunction display again. Calibrating the compass has failed due to outside influences. Repeat compass calibration in a different location. Press button æ or ç to select Freq. or Memory. Press button æ or ç to switch the automatic central locking On or Off. 183