See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

Reset function
You can reset COMAND to the factory settings. Amongst other things, this will delete all personal data (e.g. station presets, address book entries, entries in the destination memory and in the ...

Fuse box in the engine compartment
•► Make sure that the windshield wipers are turned off. WARNING Make sure that the windshield wipers are switched off and that the SmartKey is removed from the ignition lock before y ...