See also:

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

After a power failure
Only put the parking brake into operation after a power failure The parking brake should only be put into operation again if it was manually released due to an interruption in the supply of el ...

Deactivating/activating DTC Dynamic Traction Control
Activating the Dynamic Traction Control DTC provides maximum traction on loose ground. Driving stability is limited during acceleration and when driving in bends. Activating DTC Activating DT ...