Mark LT 2WD V8-5.4L VIN 5 (2007)
Navigation System: Service and Repair
NAVIGATION SYSTEM CALIBRATION
1. Access the current set of regional map compact discs (CDs).
2. Start the vehicle.
3. Turn on the audio unit.
4. Insert the appropriate regional map CD into the CD slot at the top of the audio unit.
5. Press the NAV button.
6. Press ACCEPT after reading the disclaimer.
7. Press the MAP button.
8. Road test the vehicle until the red compass heading indicator turns green/white.
9. Leave the CD in the audio unit.