Maintenance charge with CTEK MXS 5.0 (baterie installed)

Who can give exact details of how the starter battery can be charged on the Tiguan 5N without expanding the battery. A CTEK MXS 5.0 is used as a charger. Charger should be connected, as described in the operating instructions CTEK and TIGUAN. Charger-Plus to battery + , loader-minus at ground point on the left leg of the spring. What precautions – measures / settings must be taken on the vehicle to prevent damage to the on-board power management?. How does the charger start after the mains light display, if the program mode for normal batteries is chosen ?. Must the bonnet be closed before the start (actually forbidden!) to complete the vehicle ? With the charger detachable batteries have been charged perfectly. TIGUAN- Data: Month/Year 05/2009 KW/PS 103/140 Type/TSN, Tiguan 2.0 TDI DFPF 4Motion Automatik/AKS Many thanks to the specialists for profound answers 2.00tdi