Lexus IS 350C 2012 Manual page 506

5-2. Steps to take in an emergency
Message
(If equipped)
(Flashing)
(If equipped)
506
Indicates intuitive parking assist malfunction.
The malfunctioning assist-sensor is shown flashing on
the display.
Indicates a malfunction in the radar cruise control
system.
Press the "ON-OFF" button once to deactivate the
system, and then press the button again to reactivate
the system.
Indicates a malfunction in the retractable hardtop
system.
Details