To exit the hotel mode you have to put your tv on stand by using your remote. Then you have to switch the tv off using the power button on the tv. After that, while pressing the teletext key on the remote (magenta one), switch the tv on using the power button on the tv. Select "LOCK" and turn it off.
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To exit the hotel mode you have to put your tv on stand by using your remote. Then you have to switch the tv off using the power button on the tv. After that, while pressing the teletext key on the remote (magenta one), switch the tv on using the power button on the tv. Select "LOCK" and turn it off.
Hope this helps!