Lexus RZ450E 2023 Owner's Manual page 501

"Unavailable Activation Condition not Satisfied See Owner's Manual"
(if equipped)
Cause
The LCA function cannot be
used as the operating conditions
have not been met.(P.294)
"Cruise Control Unavailable See Owner's Manual"
Cause
Indicates one of the following sys-
tems is disabled.
 Dynamic radar cruise control
 Cruise control
A message is displayed when the
driving assist switch is pushed
repeatedly.
"Parking Assist Unavailable Low Visibility See Owner's Manual"
Cause
Indicates one of the following sys-
tems is disabled.
RCD (Rear camera detection)

(if equipped)
PKSB (Parking Support

Brake) (if equipped)
9-2. If a warning is indicated on the meter
Remedy
Operate the turn signal lever again after all of the
operating conditions are met.
Remedy
Press the driving assist switch quickly and firmly.
Remedy
Remove any dirt or foreign matter from the rear
cameras.
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