Were you obliged to use an indicator in the situation shown?

In the visible situation, you are approaching the right edge of the roadway, performing a manoeuvre to pull over in order to stop or park the vehicle. According to Art. 22 para. 5 of the Road Traffic Act, a driver is obliged to signal the intention to change direction or lane well in advance and clearly. Pulling up to the curb is a change in the driving path that strictly requires the use of a turn signal.