1999 Mercury Grand Marquis Owner Guide 1st Printing - Page 66
1999 Mercury Grand Marquis Manual
Page 66 highlights
Controls and features degrees between adjacent zones and will become noticeable as the vehicle crosses multiple zones. A correct zone setting will eliminate this error. Refer to Compass zone adjustment. Compass zone adjustment 1. Determine which compass zone you are in by referring to the zone map. 1 2 3 13 4 12 5 6 7 8 9 10 11 15 14 2. With the compass display turned on, press and hold the COMP side of NW the control until the zone selection number appears in the mirror display window. 3. Release the COMP side of the control, then press it down again. 4. Continue to press until your zone number is shown in the mirror display, then release. 5. The display will show all segments, then return to normal compass mode within ten seconds. COMP MIRROR 66