See also:

Roller sunblinds for the rear side windows
Pull out the roller sunblind at the loop and hook it onto the bracket. Do not open the window while the roller sunblind is raised. Do not open the window while the roller sunblind is raised ...

Reporting safety defects
For US customers The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you ...

General information
If you are no longer able to move the roller sunblind for the rear window after having activated it a number of times in a row, the system is blocked for a limited time to prevent overheating. ...