See also:

Fuses in the glove box
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Deactivating the rear window controls
For the safety of your children, press switch 5 to prevent operation of the windows of the rear doors, irrespective of their position. With the warning lamp on, the rear switches are deactivated. ...

Repair procedure
1. Sealing Switch off the ignition. Turn the selector A to the "sealant" position. Check that the switch B is in position "O". Avoid removing any foreign bodies whic ...