Page 476 of 600
4767-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates that the radar sensor is dirty or covered with ice
A buzzer also sounds.
Clean the sensor.
(If equipped)
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.
(If equipped)
Indicates that the radar cruise control system brake con-
trol function is temporarily unavailableDepress the brake.
(If equipped)
Indicates that the grille shu tter 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.
Warning messageDetails/Actions
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7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(Vehicles with entry function)
Indicates a malfunction in the smart entry & start system
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
Clean the sensor and its surrounding area on the
bumper.
Indicates a malfunction in the cruise control system or
dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate the system.
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates a malfunction in th e dynamic radar cruise con-
trol with full-speed range
Depress the brake pedal.
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
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Page 480 of 600
4807-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the DRS (Dynamic Rear
Steering)
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in the electronically controlled
brake system
A buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. Con-
tinuing to drive in this condition is dangerous.
Indicates an attempt was made to engage the parking
brake while driving
A buzzer also sounds.
Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Indicates a malfunction in the parking brake system
A buzzer also sounds.
Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
(If equipped)
Indicates that LKA (Lane-Keeping Assist) system cannot
be used due to the vehicle speed being too highSlow down.
Warning messageDetails/Actions
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7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the power switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on
A buzzer also sounds.
Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
power switch off, and the driver’s door open)
A buzzer also sounds.
Close the moon roof.
Indicates that the windows are not fully closed (with the
power switch off, and the driver’s door open)
A buzzer also sounds.
Close all the windows.
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the power switch off, and the driver’s
door open) A buzzer also sounds.
Close all the windows and the moon roof.
Indicates a malfunction in the brake hold system
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
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Page 482 of 600
4827-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the brake hold system cannot be turned off
A buzzer also sounds.
Depress the brake pedal.
Indicates that the brake hold system is not available
The reason the brake hold system is not available may
be displayed.
A buzzer also sounds.
Close the driver’s door.
Fasten the driver’s seat belt.
Indicates that the brake hold system is unable to con-
tinue brake hold function
The reason the brake hold system is not continue may
be displayed.
A buzzer also sounds.
Depress the brake pedal.
Close the driver’s door.
Fasten the driver’s seat belt.
Warning messageDetails/Actions
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7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the vehicle is unable to drive over 110 km/h
(65 mph) until the transmission warms up
A buzzer also sounds.
Wait until the transmission warms up.
Indicates that the parking brake is set automatically while
the brake hold system is holding the brakes
A buzzer also sounds.
Release the parking brake.
Indicates a malfunction in th e Drive-Start Control system
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in the brake override system
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
Page 485 of 600
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7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the accelerator and brake pedals are
being depressed simultaneously, and the brake override system is operating. Release the accelerator or brake pedal. ( P. 201)
(If equipped)
Indicates that the tire in flation pressure is low
Check the tire inflation pressure, and adjust to the
appropriate level.
Warning messageDetails/Actions
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Page 488 of 600
4887-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates that the Automatic High Beam switch was
pressed while the low beams were onTurn the high beam headlights on before pressing
the Automatic High Beam switch.
(If equipped)
Indicates that the Adaptive High-beam System switch
was pressed while th e low beams were on
Turn the high beam headlights on before pressing
the Adaptive High-beam System switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash braking and pre-
crash brake assist are stopped (The pre-crash warning
function will be operational) Turn the VSC on. ( P. 327)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem-
porarily unavailable
A buzzer also sounds.
When conditions improve, the system resumes
operation. If this item is displayed continuously, have
the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
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