Lexus GS450h Owner's Manual page 476

476
7-2. Steps to take in an emergency
Warning message
(If equipped)
(If equipped)
(If equipped)
(If equipped)
GS450h_300h_OM_OM30F92E_(EE)
Details/Actions
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
 Clean the sensor.
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather
A buzzer also sounds.
 Use the radar cruise control system when it
becomes available again.
Indicates that the radar cruise control system brake con-
trol function is temporarily unavailable
 Depress the brake.
Indicates that the grille shutter system cannot operate or
the grille shutter is dirty or covered with ice
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.