Lexus GS460 Owner's Manual page 548

5-2. Steps to take in an emergency
Have the vehicle inspected immediately.
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 immediately.
Warning message
(GS460)
(If equipped, steering
guide symbol and
arrows are flashing)
548
GS_G_U (OM30C11U)
May 21, 2010 1:06 pm
Details
Malfunction in the VGRS.
The steering sensor cable is broken and signals can-
not be received.