See also:

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Deactivating/activating DTC Dynamic Traction Control
The system can be deactivated/activated via the TRACTION and SPORT+ programs of the Dynamic Driving Control. ...

Unpairing a device
1. "Telephone" 2. "Bluetooth® (phone)" 3. Highlight the device that is to be unpaired. 4. Open "Options". 5. "Remove phone from list" ...