2017 Lexus GS450h display

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 on Turn 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 warningfunction will be operational)
 Turn the VSC on. (P. 327)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem- porarily unavailableA 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 reliablerepairer.
Warning messageDetails/Actions
(Flashes)

4897-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Carrying out the corresponding action turns the messages off.
Air conditioning, heater and other operations are tem- porarily limited due to high power consumption
 Turn off unnecessary electronic equipment to reduce power consumption.Please wait until the power supply returns to nor-
mal. If this item is frequently displayed, have the vehicle inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer imme- diately.
(If equipped)
Indicates that part of the PC S (Pre-Crash Safety system) sensor is dirty, covered with ice, etc.
A buzzer also sounds.  Remove any dirt, ice, etc.
Other displayed messages
Warning messageDetails/Actions
(Flashes)
(Flashes)
Warning messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required The filter may be clogged, the air intake vent may beblocked or there may be a gap in the duct.
 Have maintenance performed on the hybrid battery (traction battery) cooling component at any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer.

4917-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
*: For the EV drive mode operating conditions (P. 222).
Warning messageDetails/Actions
Indicates that the EV drive mode has been automatically canceled*
The reason the EV drive mode is not available (thebattery charge is low, speed is higher than the EVdrive mode operating speed range, accelerator pedal
is depressed too much) may be displayed. A buzzer also sounds. Drive the vehicle for a while.
(Flashes)

4927-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warn ing message may not be displayed even if vehicle-to-vehi- cle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or the vehicle
ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■Open door warning message
The open door warning message continues to display until a door or the trunk is fully
closed, even if the power switch is turned off. However, approximately 20 minutes after a door or the trunk is not fully closed, the 12-volt battery-saving function operates and thedisplay turns off even though a door or the trunk is not fully closed.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.

4937-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Once
The electronic key is not detectedwhen an attempt is made to start the
hybrid system.  Start the hybrid system with the electronic key present.
Once3 times
The electronic key was carried out-
side the vehicle and a door other than the driver’s door was openedand closed while the power switch
was in a mode other than off.  Bring the electronic key back into the vehicle.
The driver’s door was opened and
closed while the electronic key was not in the vehicle, the shift lever wasin P and the power switch was not
turned off.  Turn the power switch off or bring the electronic key back
into the vehicle.
OnceCon- tinuous
An attempt was made to exit thevehicle with the electronic key andlock the doors without first turning
the power switch off when the shift lever was in P. Turn the power switch off and
lock the doors again.
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)

4947-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
9 times
An attempt was made to drive when
the regular key was not inside the vehicle.
 Confirm that the electronic key is inside the vehicle.
Con-
tinuous
The driver’s door was opened when the shift lever was not in P and the
power switch was not turned off.  Shift the shift lever to P.
Con- tinuousCon-tinuous
The driver’s door was opened andclosed while the electronic key wasnot in the vehicle, the shift lever was
not in P and the power switch was not turned off. Shift the shift lever to P.
 Bring the electronic key back into the vehicle.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)

5287-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
When the electronic key is detected, a buzzer sounds and the power switch willturn to ON mode.
When the smart entry & start system is deactivated in customization setting, thepower switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and ch eck that is shown on the multi-
information display.
Press the power switch.
In the event that the hybrid system still cannot be started, contact any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic key battery be replaced immediately when the battery is depleted. ( P. 435)
■Alarm (if equipped)
Using the mechanical key to lock the doors or trunk will not set the alarm system. If a door or trunk are unlocked using the me chanical key when the alarm system is set,
the alarm may be triggered. ( P. 91)
■Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the switch is pressed. ( P. 218)
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in the customi- zation setting. If it is off, turn the function on. (Customizable features: P. 561)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 154)
Starting the hybrid system
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7
7-2. Steps to take in an emergency
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 104) enters the
red zone or a loss of hybrid system power is experienced. (For example, the
vehicle speed does not increase.)
●“Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” or
“Hybrid System Overheated Reduced Output Power” ( P. 466) is shown on
the multi-information display.
●Steam comes out from under the hood.
■If the needle of the engine coolant temperature gauge enters the red zone
or “Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is
shown on the multi-information display
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the hoses and
cooling system for leaks.
Radiator
Cooling fans
If a large amount of coolant leaks, immediately contact any autho-
rized Lexus retailer or Lexus authorized repairer, or any reli-able repairer.
The following may indicate that your vehicle is overheating.
Correction procedures
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