Toyota Prius Owner's Manual page 134

1-5. Opening and closing the windows and moon roof

Jam protection function
If an object is detected between the moon roof and the frame while closing
or tilting down, travel is stopped and the moon roof opens slightly.

To reduce moon roof wind noise
When the moon roof is opened automatically, it will stop slightly before the
fully open position. Driving with the moon roof in this position can help
reduce wind noise.

Sunshade
The sunshade can be opened and closed manually. However, the sunshade
will open automatically when the moon roof is opened.

Solar Panel
The solar panel contains solar cells, and produces energy to operate the
Solar Ventilation System by receiving sunlight.

Moon roof open warning buzzer
The buzzer sounds when the "POWER" switch is turned off and the driver's
door is opened with the moon roof open.

If the moon roof cannot be closed
If the moon roof cannot be closed, such as when the jam protection function
activates accidentally due to a malfunction, pressing and holding "CLOSE"
switch closes the moon roof.
After this, to make the automatic opening function and jam protection func-
tion available again, press and hold the "OPEN" switch until the moon roof
opens fully and then closes slightly.
If the functions do not activate, contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
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