Lexus GS 350 Owner's Manual page 701

Have the vehicle inspected immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failure to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer.
Warning message
(AWD models)
(Flashes)
(If equipped)
7-2. Steps to take in an emergency
Indicates a malfunction in the AWD system
Indicates that the automatic transmission fluid tem-
perature is too high
Indicates a malfunction in the pre-collision system
Details
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