LEXUS GS300H 2019 Owners Manual

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)

4957-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Con-
tinuous
(Vehicles with the entry function)
An attempt was made to lock the doors using the smart entry & start
system while the electronic key was still inside the vehicle. Retrieve the electronic key
from the vehicle and lock the doors again.
OnceCon-tinuous
An attempt was made to lock eitherfront door by opening a door and
putting the inside lock button into the lock position, then closing thedoor by pulling on the outside door
handle with the electronic key still inside the vehicle.For some models only: An attempt
was made to lock the doors other than using the smart entry & startsystem while the electronic key was
still inside the vehicle.  Retrieve the electronic key from the vehicle and lock the
doors again.
Once
• When the doors were unlocked with the mechanical key and thenthe power switch was pressed, the
electronic key could not be detected in the vehicle.• The electronic key could not be
detected in the vehicle even after the power switch was pressed twoconsecutive times.
 Touch the electronic key to the power switch while depressingthe brake pedal.
Once
An attempt was made to start thehybrid system with the shift lever inan incorrect position.
 Shift the shift lever to P and start the hybrid system.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)

4967-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)

Power was turned off due to the automatic power off function.
 Next time when starting the hybrid system, operate thehybrid system for approximately
5 minutes to recharge the 12- volt battery.
OnceThe electronic key has a low battery. Replace the electronic key bat-
tery. ( P. 435)
Once
The driver’s door was opened and
closed with the power switch turned off and then the power switch wasput in ACCESSORY mode twice
without the hybrid system being started. Press the power switch while
depressing the brake pedal.
During an hybrid system starting procedure in the event that the elec-
tronic key was not functioning prop- erly ( P. 528), the power switch was touched with the electronic key.
 Press the power switch within 10 seconds of the buzzer sounding.
Once
The steering lock could not be
released within 3 seconds of the power switch being pressed. Press the power switch while
depressing the brake pedal and moving the steering wheel leftand right.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)

4977-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.
Once
The power switch has been turned off with the shift lever in a position
other than P or N.  Shift the shift lever to P.
Once
After the power switch has been turned off with the shift lever in a
position other than P, the shift lever has been shifted to P. Turn the power switch off.
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)

4987-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
If you have a flat tire (vehicles with spare tire)
●Stop the vehicle in a safe place on a hard, flat surface.
●Set the parking brake.
●Shift the shift lever to P.
●Stop the hybrid system.
●Turn on the emergency flashers. ( P. 452)
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires: P. 416
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel beyond repair, which could result in an accident.
Before jacking up the vehicle

4997-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Location of the spare tire, jack and tools
Jack handle
Parking brake release tool
Screwdriver
Towing eyelet
Wheel nut wrench
Spare tire
Jack
1
2
3
4
5
6
7

5007-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Using the tire jack
Observe the following precautions. Improper use of the tire jack may cause the vehicle to suddenly fall off the jack, leading
to death or serious injury.
●Do not use the tire jack for any purpose ot her than replacing tires or installing and removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire. Do not use it on other vehicles, and do no t use other tire jacks for replacing tires on this vehicle.
●Put the jack properly in its jack point.
●Do not put any part of your body under the vehicle while it is supported by the jack.
●Do not start the hybrid system or drive the vehicle while the vehicle is supported by
the jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greater than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●When lowering the vehicle, make sure that there is no-one near the vehicle. If there
are people nearby, warn them vocally before lowering.