Page 465 of 624
4657-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
(GS F only)
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system has determined that the driver does
not have their hands on the steering wheel while the
steering control function is on
Firmly hold the steering wheel.
(If equipped)
Indicates that the LKA (Lane- Keeping Assist) system has
determined that the driver does not have their hands on
the steering wheel while the steering control function is
on
Firmly hold the steering wheel.
Indicates that the parking brake system is overheating
A buzzer also sounds.
Do not use the parking brake until the message dis-
appears.
Indicates an engine malfunction
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
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(U.S.A.) (Canada)
(U.S.A.) (Canada)
Page 466 of 624
4667-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
Indicates an engine malfunctionA buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates an engine malfunction
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or,
• The seat belt pretensioner system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Wa r n i n g m e s s a g eDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada)
Page 467 of 624
4677-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
Indicates that the engine coolant temperature is too high A buzzer also sounds.
P. 5 2 8
(GS350/GS200t only)
Indicates a malfunction in the vehicle’s charging system.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice A buzzer also sounds.
Clean the sensor.
Wa r n i n g m e s s a g eDetails/Actions
Page 468 of 624
4687-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weatherA buzzer also sounds.
Use the radar cruise control system when it
becomes available again.
(If equipped)
Indicates that the radar crui se control system brake con-
trol function is temporarily unavailable
Depress the brake.
Indicates a malfunction in the smart access system with
push-button start
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(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.
Wa r n i n g m e s s a g eDetails/Actions
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Page 469 of 624
4697-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
Indicates a malfunction in th e 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 your Lexus dealer.
(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 your Lexus dealer.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert with steering control) system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
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Page 470 of 624

4707-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) systemA buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
The operation conditions of the camera sensor (temper-
ature, etc.) are not met.
When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• LDA (Lane Departure Alert with steering control) system
• Automatic High Beam
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor A buzzer also sounds.
Turn the LDA (Lane Departure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Departure Alert with steering
control) system back on.
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.
Turn the LKA (Lane-Keeping Assist) system off, wait
for a little while, and then turn the LKA (Lane-Keep-
ing Assist) system back on.
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4717-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on
the windshield in front of the camera sensor. The following systems will be temporarily unusable.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• LDA (Lane Departure Alert with steering control) system
• Automatic High Beam
Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then
turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
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4727-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
Indicates abnormal engine oil pressureA buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
Indicates that the automatic transmission fluid tempera-
ture is too high
A buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
(AWD models only)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear
Ratio Steering)
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions