Activation/deactivation of transport mode

This function is used to activate or deactivate "Transport mode". Transport mode is intended to minimise power consumption in the car by limiting the car's functionality or completely disconnecting certain functions.
Test prerequisites:
Procedure:
  1. Choose the function: Activate/deactivate transport mode.
  2. A dialog box confirms: Operation succeded/failed.
  3. Exit the function and check the activation/deactivation.