A check from the workshop manual lists no steps that you can do to check. All steps in the fault inspection procedure require a M.U.T tool which is only available to dealer service teams. If you had an ODB analysing interface connected to the ODB port you can read off the ECU error codes to see if one of the following is listed:
The shade can be closed manually but requires the removal of the headlining. Something I would leave to the service centre team.
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