Displays on the instrument cluster
After the vehicle is switched on, a message appears in the instrument cluster indicating whether your vehicle can be located.
The 
symbol is only shown in the status area if the positioning function is active.
SOS NOT READY: the vehicle is not switched on or the emergency call system is malfunctioning.
SOS READY: the emergency call system is available again, after a malfunction, for example.
During an active emergency call the 
symbol and various messages about the status of the emergency call appear in the display.
If there is a malfunction of the emergency call system, the loudspeakers, microphone, airbag or the SOS button, for example, are faulty.
You can recognise a fault in the emergency call system by the following displays:
A corresponding message appears in the display on the instrument cluster.
The SOS button lights up red continuously.