2017 LEXUS RX300H child lock

791-1. For safe use
1
For safety and security
RC300h_EE(OM24740E)
Key of letters inserted in the above table:
IUF: Suitable for ISOFIX forward-facing child restraint systems of universal cat-
egory approved for use in this mass group.
IL: Suitable for ISOFIX child restraint systems of the categories for “specific
vehicles”, “restricted”, or “semi-universal”, approved for use in this mass
group.
X: ISOFIX position not suitable for ISOFIX child restraint systems in this mass
group and/or this size class.
*1: When installing an ISOFIX child restraint system on a rear seat, move the front seat as
far forward as possible.
*2: If the head restraint interferes with your child restraint system, and the head restraint
can be removed, remove the head restraint.
When using a “LEXUS MINI” or “LEXUS MIDI”, adjust the support leg and
ISOFIX connectors as follows:
Lock the ISOFIX connectors
where numbers 5 can be seen.
Lock the support leg where
3rd hole can be seen.
●Adjust the front seat so that it does not interfere with the child or child restraint
system.
●The child restraint systems mentioned in the table may not be available out-
side of the EU area.
●Other child restraint systems different from the systems mentioned in the
table can be used, but the suitability of the systems must be carefully checked
with the child restraint system manufacturer and retailer.
1
2

1493-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC300h_EE(OM24740E)
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, both side 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 unlocked with the mechanical key. ( P. 578)
■Conditions affecting the operation of the smart entry & start system or wireless remote control
 P. 157
■Customization
Settings (e.g. unlocking function using a key) can be changed. (Customizable features: P. 607)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle. Failure to do so may result in a door opening and an occupant being thrown out of thevehicle, resulting in death or serious injury.
●Ensure that both side doors are properly closed.
●Do not pull the inside handle of the doors while driving. The doors may be opened even if the inside lock buttons are in locked position.
■Side window open/close function linked to door operation
Do not hold the upper edge of the side window when you close the door. Otherwise, your fingers or hand may be caught in the window.
■When using the wireless remote control and operating the power windows or moonroof
Operate the power window or moon roof after checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window or moon roof. Also, do not allow children to oper ate the wireless remote control. It is pos- sible for children and other passengers to get caught in the power window or moon
roof.

1533-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC300h_EE(OM24740E)
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.

1823-3. Adjusting the seats
RC300h_EE(OM24740E)
P. 151
Luggage security system
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■When folding the rear seatbacks down
●Do not fold the seatbacks down while driving.
●Stop the vehicle on level ground, set the parking brake and shift the shift lever to P.
●Do not allow anyone to sit on a folded seatback or in the trunk while driving.
●Do not allow children to enter the trunk.
■After returning the rear seatback to the upright position
●Check that the seat belts are not twisted or caught in the seatback.
●Make sure that the seatback is securely locked in position by lightly pushing it backand forth.
If the seatback is not securely locked, the red marking will be visible on the seatback lockrelease knob. Make sure that the red marking
is not visible.

196
RC300h_EE(OM24740E)
3-5. Opening, closing the windows and moon roof
The power windows can be opened and closed using the switches.
Operating the switch moves the windows as follows:
Closing
One-touch closing*
Opening
One-touch opening*
*: To stop the window partway, operate the
switch in the opposite direction.
Press the switch to lock the passenger
window.
The indicator will come on.
Use this switch to prevent children from accidentally opening or closing a pas-
senger window.
The passenger window can still be opened and closed using the driver’s
switch even if the lock switch is on.
Power windows
Opening and closing procedures
1
2
3
4
Window lock switch
Indicator

1993-5. Opening, closing the windows and moon roof
3
Operation of each component
RC300h_EE(OM24740E)
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■Closing the windows
●The driver is responsible for all the power window operations, including the operation for the passengers. In order to prevent acci dental operation, especially by a child, do not let a child operate the power windows. It is possible for children and other passen-
gers to have body parts caught in the power window. Also, when riding with a child, it is recommended to use the window lock switch. ( P. 196)
●Check to make sure that all passengers do not have any part of their body in a posi-
tion where it could be caught wh en a window is being operated.
●When using the wireless remote control or mechanical key and operating the power windows, operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of thei r body parts caught in the window. Also do not let a child operate window by the wireless remote control or mechanical key. It ispossible for children and other passengers to get caught in the power window.
●When exiting the vehicle, turn the power switch off, carry the key and exit the vehiclealong with the child. There may be accidental operation, due to mischief, etc., thatmay possibly lead to an accident.
■Jam protection function
●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 jammed just before the
window is fully closed. Be careful not to ge t any part of your body jammed in the win- dow.
■Catch protection function
●Never use any part of your body or clothing to intentionally activate the catch protec-tion function.
●The catch protection function may not work if something gets caught just before the
window is fully opened. Be careful not to get any part of your body or clothing caught in the window.

4827-3. Do-it-yourself maintenance
RC300h_EE(OM24740E)
The meanings of each caution symbol on the top of the 12-volt battery are as fol-
lows:
■Before recharging
When recharging, the 12-volt battery produc es hydrogen gas which is flammable and explosive. Therefore, observe the follo wing precautions before recharging:
●If recharging with the 12-volt battery installed on the vehicle, be sure to disconnect the
ground cable.
●Make sure the power switch on the charger is off when connecting and disconnecting
the charger cables to the 12-volt battery.
■After recharging/reconnecting the 12-volt battery
●The hybrid system may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the hybrid system.
●Unlocking the doors using the smart entry & start system may not be possible immedi- ately after reconnecting the 12-volt battery. If this happens, use the wireless remote control or the mechanical key to lock/unlock the doors.
●Start the hybrid system with the power switch in ACCESSORY mode. The hybrid sys-tem may not start with the power switch turned off. However, the hybrid system willoperate normally from the second attempt.
●The power switch mode is recorded by the vehicle. If the 12-volt battery is reconnected,the vehicle will return the power switch mode to the status it was in before the 12-volt battery was disconnected. Make sure to turn off the power switch before disconnecting
the 12-volt battery. Take extra care when connecting the 12-volt battery if the power switch mode prior to the 12-volt battery being disconnected is unknown.
If the system will not start even after multip le attempts at all the methods above, contact
any authorized Lexus dealer or repairer, or another duly qualified and equipped profes- sional.
Caution symbols
No smoking, no nakedflames, no sparks12-volt battery acid
Shield eyesNote operating instructions
Keep away from childrenExplosive gas
1
2
3

5818-2. Steps to take in an emergency
8
When trouble arises
RC300h_EE(OM24740E)
■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 measur e, it is recommended that the electronic key battery be replaced immediately when the battery is depleted. ( P. 511)
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system. If a door is unlocked using the mechanical key when the alarm system is set, the alarm may be triggered.
■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. 216)
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in the
customization setting. If it is off, turn the function on. (Customizable features P. 607)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 157)
WARNING
■When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof after checking to make sure that there is no possibility of any passenger having any of their body parts caught in the window or moon roof.
Also, do not allow children to operate the me chanical key. It is possible for children and other passengers to get caught in the power window or moon roof.
3