warning LEXUS GS300H 2019 Owners Manual

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 iceA buzzer also sounds.
 Clean the sensor.
(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 cruise control system brake con-trol function is temporarily unavailable Depress the brake.
(If equipped)
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.
Warning messageDetails/Actions

4777-2. 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 reliablerepairer.
(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 ordynamic 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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4787-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping Assist) system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
The operation conditions of the camera sensor (tem- perature, 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-Crash Safety system) • LKA (Lane-Keeping Assist) system• RSA (Road Sign Assist)
• Dynamic radar cruise control with full-speed range • Dynamic radar cruise control• AHS (Adaptive High-beam 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- sorA 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.
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present onthe windshield in front of the camera sensor.
The following systems will be temporarily unusable. • PCS (Pre-Crash Safety system)• LKA (Lane-Keeping Assist) system
• RSA (Road Sign Assist) • Dynamic radar cruise control with full-speed range• Dynamic radar cruise control
• AHS (Adaptive High-beam 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.
Warning messageDetails/Actions
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4797-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the PCS (Pre-Crash Safety 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 the BSM (Blind Spot Monitor) systemA buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliablerepairer.
Indicates abnormal engine oil pressure
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.
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear Ratio Steering)
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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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 controlledbrake 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 parkingbrake 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 cannotbe used due to the vehicle speed being too high Slow down.
Warning messageDetails/Actions

4817-2. 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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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

4837-2. 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 the 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

4847-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Indicates that engine oil level is low This message may appear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to see if the message disappears.A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates that the hybrid system has overheated This message may be displayed when driving under
severe operating conditions. (For example, when driv- ing up a long steep hill.)A buzzer also sounds.
 Stop and check. (P. 535)
Indicates a malfunction in: • The AHS (Adaptive High-beam System) (ifequipped);
• The Automatic High Beam (if equipped); • The AFS (Adaptive Front-lighting System) (ifequipped); or
• The LED headlight 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 the RSA (Road Sign Assist)
A buzzer also sounds  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

4857-2. 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 inflation pressure is low
 Check the tire inflation pressure, and adjust to the appropriate level.
Warning messageDetails/Actions
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