MG ZS11 Owner's Handbook Manual page 76

INSTRUMENTS AND CONTROLS
To carry out the sunshade initialisation operation:
Fully close the sunshade - press the close switch and hold
in position for 10 seconds, the sunshade will open a preset
amount and stop, it will then close automatically- the
sunshade is then initiailised. During the whole process,
the switch must remain pressed.
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