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.
See also:
Requirements
▷ Subscription to the optional Convenience
Plan.
▷ The date setting on the Control Display is
current.
▷ The vehicle is located within wireless network
coverage. ...
Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply
with all safety guidelines and regulations.
1. "Telephone"
2. Open "Options".
3. "Bluetooth®"
...
For better control
The indicator lamp
flashes: DTC controls
the drive forces and brake forces.
The indicator lamp lights up: DSC and
DTC has failed.
DTC activated:
The indicator lamp
lights up and TRACTION ...