2019 LEXUS GS300H Owners Manual

1453-2. Opening, closing and locking the doors and trunk
3
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked. Depending on the force of the impact or the type of accident, however, the system may
not operate.
■Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. ( P. 527)
■Conditions affecting the operation of the smart entry & start system or wireless remote control
 P. 155
■Customization
Settings (e.g. unlocking function using a key) can be changed. (Customizable features: P. 561)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle. Failure to do so may result in a door openin g and an occupant throwing out of the vehi- cle, resulting in death or serious injury.
●Ensure that all doors are properly closed.
●Do not pull the inside handle of the doors while driving. Be especially careful for the front doors, as the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child-protector locks when children are seated in the rear seats.

1463-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
Trunk
Press the opener switch.
If the vehicle is equipped with a power trunk lid, the trunk lid automatically
opens fully.
◆Smart entry & start system (vehicles with entry function)
While carrying the electronic key,
press the button.
When all the doors are unlocked with
the power door lock system, the trunk can be opened without carry-ing the electronic key.
If the vehicle is equipped with a power trunk lid, the trunk lid auto-matically opens fully.
The trunk can be opened using the trun k opener, entry function or wireless
remote control.
If the vehicle is equipped with a power trunk lid, the trunk can be closed using
the trunk closer.
Opening the trunk from inside the vehicle
Opening the trunk from outside the vehicle

1473-2. Opening, closing and locking the doors and trunk
3
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
◆Wireless remote control
Press and hold the switch.
If the vehicle is equipped with a power trunk lid, the trunk lid auto-matically opens fully.
Pressing the switch closes the trunk lid
automatically. (A buzzer sounds.)
Pressing the switch while the trunk lid is closing opens the trunk lid again.
Using the trunk grip, lower the trunk
without applying force to the side and
push the trunk down from the outside
to close it.
Trunk closer swi tch (vehicles with power trunk lid)
When closing the trunk

1483-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
The trunk opener switch can be temporarily disabled to protect luggage stored
in the trunk against theft.
Turn the main switch in the glove box off
to disable the trunk opener.
On
Off
The trunk lid cannot be opened even with the wireless remote control or the
trunk release button.
■Operation signals
Wireless remote control: A buzzer sounds to indicate that the trunk has been unlocked.
■Trunk light
The trunk light turns on when the trunk is opened.
■Trunk easy closer
In the event that the trunk lid is left slight ly open, the trunk easy closer will automatically close it to the fully closed position.
■Function to prevent the trunk being locked with the electronic key inside
●When all doors are being locked, closing the tr unk lid with the electronic key left inside the trunk will sound an alarm.In this case, the trunk lid can be opened pressing the trunk release button on the trunk
lid.
●Even when the spare electronic key is put in the trunk with all the doors locked, the key confinement prevention function can be activated so the trunk can be opened. In order
to prevent theft, take all electronic keys with you when leaving the vehicle.
●Even when the electronic key is put in the trunk with all the doors are locked, the key may not be detected depending on the places and the surrounding radio wave condi-
tions. In this case, the key confinement prevention function cannot be activated, causing the doors to lock when the trunk is closed. Make sure to check where the key is beforeclosing the trunk.
●The key confinement prevention function cannot be activated if any one of the doors isunlocked. In this case, open the trunk using the trunk opener.
■Overload protection function (vehicles with power trunk lid)
The trunk lid will not operate when excessive lo ad is present on the top of the trunk lid.
■Fall-down protection function (vehicles with power trunk lid)
While the trunk lid is opening automatically, applying excessive force to it will stop the
opening operation to prevent the trunk lid from rapidly falling down.
Luggage security system
1
2

1493-2. Opening, closing and locking the doors and trunk
3
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
■Jam protection function (vehicles with power trunk lid)
While the trunk lid is closing automatically, the trunk lid will stop closing and open if something gets caught.
■If the smart entry & start system or wireless remote control does not operate properly
●Use the mechanical key to open the trunk. ( P. 527)
●Replace the key battery with a new one if it is depleted. (P. 435)
■When leaving a key to the vehicle with a parking attendant
 P. 136
■Customization
The trunk unlocking operation can be changed. (Customizable features: P. 566)
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■Before driving
●Make sure that the trunk lid is fully closed. If the trunk lid is not fully closed, it may open unexpectedly while driv ing and hit near-by objects or luggage in the trunk may
be thrown out, causing an accident.
●Do not allow children to play in the trunk. If a child is accidentally locked in the trunk, they could suffer from heat exhaustion,
suffocation or other injuries.
●Do not allow a child to open or close the trunk lid. Doing so may cause the trunk lid to open unexpectedly, or cause the child’s hands,
head, or neck to be caught by the closing trunk lid.
■Important points while driving
Never let anyone sit in the trunk. In the event of sudden braking or a collision, they are
susceptible to death or serious injury.

1503-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Using the trunk
Observe the following precautions. Failure to do so may cause parts of the body to be caught, resulting in serious injury.
●Remove any heavy loads, such as snow and ice, from the trunk lid before opening it. Failure to do so may cause the trunk lid to suddenly shut again after it is opened.
●When opening or closing the trunk lid, thoroughly check to make sure the surround-
ing area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is about to open or close.
●Use caution when opening or closing the tr unk lid in windy weather as it may move abruptly in strong wind.
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. Suchadditional weight on the trunk lid may cause the lid to suddenly shut again after it is
opened.
●The trunk lid may suddenly shut if it is not opened fully. It is more difficult to open orclose the trunk lid on an incline than on a level
surface, so beware of the trunk lid unexpect- edly opening or closin g by itself. Make sure that the trunk lid is fully open and secure
before using the trunk.
●When closing the trunk lid, take extra care to prevent your fingers etc. from being caught.
●When closing the trunk lid, make sure topress it lightly on its outer surface. If the trunkgrip is used to fully close the trunk lid, it may
result in hands or arms being caught.

1513-2. Opening, closing and locking the doors and trunk
3
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Trunk easy closer
■Power trunk lid (if equipped)
Observe the following precautions when operating the power trunk lid. Failure to do so may cause serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of your belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is about to open or close.
●If the trunk closer switch is pressed while the trunk lid is opening during automatic operation, the trunk lid stops opening. Take extra care when on an incline, as the trunklid may open or close suddenly.
●On an incline, the trunk lid may suddenly shut after it opens automatically. Make surethe trunk lid is fully open and secure before using the trunk.
●In the following situations, the power trunk lid may detect an abnormality and auto-
matic operation may be stopped. In this case, the trunk lid has to be operated manu- ally. Take extra care in this situation, as the stopped trunk lid may suddenly shut,causing an accident.
• When the trunk lid contacts an obstacle • When the 12-volt battery voltage suddenly drops, such as when the power switchis turned to ON mode or the hybrid system is started during automatic operation
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. Thepower trunk lid may not operate, causing itse lf to malfunction, or the trunk lid may
suddenly shut again after it is opened.
■Jam protection function (vehicles with power trunk lid)
Observe the following precautions.
Failure to do so may cause serious injury.
●Never use any part of your body to intent ionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
trunk lid fully closes. Be careful not to catch fingers or anything else in the trunk lid.
●The jam protection function may not work depending on the shape of the object that is caught. Be careful not to catch fingers or anything else.
In the event that the trunk lid is left slightly open,
the trunk easy closer will automatically close it to the fully closed position. It takes several sec-onds before the trunk easy closer begins to
operate. Be careful not to catch fingers or any- thing else in the trunk lid, as this may causebone fractures or other serious injuries.

1523-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
NOTICE
■To prevent trunk easy closer malfunctions
Do not apply force to the trunk lid while the trunk easy closer is operating.
■To prevent damage to the power trun k lid (vehicles with power trunk lid)
●Make sure that there is no luggage or snow on the trunk lid before operating the power trunk lid. In addition, make sure that there is no ice between the trunk lid andframe that prevents movement of the trunk lid. Operating the power trunk lid when
excessive load is present on the trunk lid may cause a malfunction.
●Do not apply excessive force to the trunk lid while the power trunk lid is operating.