The first steps shown in the chart bellow are to be followed when a device shows missing connection in the system. Neither the customer nor the car need to be physically present in the workshop to conduct this part of the troubleshooting:

If the error causing the problem has not been found after the above troubleshooting guide has been followed, then the workshop must contact Support with the conclusions they have arrived to.

Following the troubleshooting guide part 1 does not equal to a device replacement; Support may still be able to solve this online, which means that neither customer and car do not necessarily have to be called in to the workshop.

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