Procedure After Commissioning

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Please observe the sequence!

Switch on the PCM with a free panoramic view for approx. 20 minutes (to load GPS almanac).
Drive on a motorway if possible at a speed greater than 60 km/h for a distance of approx. 50 km. (calibration of the distance measurement)
Drive approx. 10 km in an urban area and take frequent turn-offs. Stop for approx. 10 seconds occasionally. (calibration of the gyroscope)
Switch on the PCM navigation unit for approx. one hour with the vehicle horizontal. (temperature compensation of the gyroscope)

Calibration is necessary after the following maintenance work:

After changing a tire
After the power supply has been interrupted