Lexus GS 450h2011 Manual page 555

Messages displayed when refueling
The following messages are displayed after the fuel lid opener is pressed.
If the messages do not change or are displayed continuously, have the
vehicle checked by your Lexus dealer.
Message
GS_HV_U (OM30C14U)
May 21, 2010 2:41 pm
5-2. Steps to take in an emergency
Details
Preparing the vehicle for refueling.
Wait a moment.
You may commence refueling.
Finish refueling within 30 minutes.
Close the fuel lid.
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