There Are Two Choices for Calibrating:

The "Quick Access"

This procedure should be selected for the following activities if only the calibration will be performed.

"No or incorrect basic setting/adaptation" is stored actively in the DTC memory.
The Camera Control Module - J852- was removed and installed again or replaced,
The windshield is replaced or removed,
The control position on vehicles with air suspension was re-programmed.

The "Complete Alignment"

This procedure should be selected for the following activities if a calibration and a suspension adjustment will be performed.

The rear axle toe was adjusted.
The vehicle suspension was changed, for example, changing from standard to sport suspension.

NOTE: Both procedures are programmed into the axle alignment computer. The respective procedure is performed automatically. It is only necessary to select the appropriate program for the procedure that will be performed.