Toyota 2011 Avalon Quick Reference Manual page 112

To reduce moon roof wind noise
n
Drive with the moon roof opened automatically (just before fully opened
position).
n Sunshade
The sunshade can be opened and closed manually. However, the sunshade
will open automatically when the moon roof is opened.
When the battery is disconnected
n
The moon roof must be initialized in order to ensure proper operation.
Open the window halfway.
Push and hold the switch on the "TILT UP" side until the moon roof
tilts all the way up and then tilts down a little automatically.
To ensure the initialization is complete, make sure automatic open-
ing and closing functions work properly.
AVALON_U (OM41428U)
1-4. Opening and closing the windows and moon roof
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