The installer probably disconnected the battery for the installation (as he should have done). You simply need to go to each window and lower them half way, then raise them back up (holding the button for a second or two after it reaches the top).
Good luck.
Is this the "normal" way to reset the window controls from driver's seat. It seems the disconnecting the battery (in my case putting new battery in) interupts the sequences.
Power Windows Stop Working
in 07 - 13 Lexus IS250 / IS350 / IS-F
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Is this the "normal" way to reset the window controls from driver's seat. It seems the disconnecting the battery (in my case putting new battery in) interupts the sequences.