Page 88 of 640

881-2. Hybrid system
RC300h_EE(OM24740E)
■After the 12-volt battery has discharged or when the terminal has been removed and installed during exchange, etc.
The gasoline engine may not stop even if the vehicle is being driven by the hybrid battery
(traction battery). If this continues for a few days, contact any authorized Lexus dealer or repairer, or another duly qua lified and equipped professional.
■Sounds and vibrations specific to a hybrid vehicle
There may be no engine sound or vibration ev en though the vehicle is able to move with the “READY” indicator is illuminated. For sa fety, apply the parking brake and make sure to shift the shift lever to P when parked.
The following sounds or vibrations may occu r when the hybrid system is operating and are not a malfunction:
●Motor sounds may be heard from the engine compartment.
●Sounds may be heard from the hybrid batter y (traction battery) under the rear seats when the hybrid system starts or stops.
●Relay operating sounds such as a snap or so ft clank will be emitted from the hybrid bat-
tery (traction battery), under the rear seat s, when the hybrid system is started or stopped.
●Sounds from the hybrid system may be heard when the trunk lid is open.
●Sounds may be heard from the transmission when the gasoline engine starts or stops, when driving at low speeds, or during idling.
●Engine sounds may be heard when accelerating sharply.
●Sounds may be heard due to regenerative braking when the brake pedal is depressed or as the accelerator pedal is released.
●Vibration may be felt when the gasoline engine starts or stops.
●Cooling fan sounds may be heard from the air intake vent on the side of the rear seat back.
■Maintenance, repair, recycling, and disposal
Contact any authorized Lexus dealer or repairer, or another duly qualified and equipped professional regarding maintenance, repair, re cycling and disposal. Do not dispose of the
vehicle yourself.
■Customization
Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features P. 607)
Page 102 of 640
1021-3. Theft deterrent system
RC300h_EE(OM24740E)
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door or trunk is unlocked or opened in any way other than using the
entry function or wireless remote control. (The door will lock again automati-
cally.)
●The hood is opened.
●The intrusion sensor detects something moving inside the vehicle. (Example:
an intruder breaks a window and gets into the vehicle.) (if equipped)
●The tilt sensor detects a change of vehicle inclination. (if equipped)
Close the doors, trunk and hood, and
lock both side doors using the entry
function or wireless remote control.
The system will be set automatically
after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Alarm
: If equipped
The alarm
Setting the alarm system
Page 103 of 640
1031-3. Theft deterrent system
1
For safety and security
RC300h_EE(OM24740E)
Do one of the following to deactivate or stop the alarm:
●Unlock the doors or open the trunk using the entry function or wireless
remote control.
●Start the hybrid system. (The alarm will be deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●Nobody is in the vehicle.
●The windows and moon roof (if equipped) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Deactivating or stopping the alarm
Page 104 of 640
1041-3. Theft deterrent system
RC300h_EE(OM24740E)
■Triggering of the alarm
The alarm may be triggered in the following situations: (Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to
prevent improper entry into the vehicle:
●When a person remain ing in the vehicle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the 12-volt battery
●The doors or trunk are unlocked using the mechanical key.
●A person inside the vehicle opens a door, thetrunk or hood, or unlocks the vehicle using a
inside lock button.
●The 12-volt battery is recharged or replaced when the vehicle is locked. ( P. 584)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modi fied or removed, the proper operation of the system cannot be guaranteed.
Page 137 of 640
137
3
Operation of
each component
RC300h_EE(OM24740E)
3-1. Key information
Keys .................................................. 138
3-2. Opening, closing and locking
the doors and trunk
Doors ................................................144
Trunk ................................................ 150
Smart entry & start
system ........................................... 155
3-3. Adjusting the seats
Front seats...................................... 178
Rear seats.........................................181
Driving position memory ......... 183
Head restraints ............................ 186
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 189
Inside rear view mirror ............... 191
Outside rear view
mirrors .......................................... 193
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 196
Moon roof .....................................200
Page 138 of 640
138
RC300h_EE(OM24740E)
3-1. Key information
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart entry & start system ( P. 155)
• Operating the wireless remote con- trol function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)
Operating the smart entry & start sys-
tem ( P. 155)
Locks the doors (P. 144)
Closes the windows and moon roof*
( P. 144)
Unlocks the doors ( P. 144)
Opens the windows and moon roof*
( P. 144)
Opens the trunk ( P. 150)
*: These settings must be customized at any authorized Lexus dealer or repairer, or
another duly qualified an d equipped professional.
Keys
The keys
1
2
3
4
Wireless remote control
1
2
3
4
5
Page 144 of 640
144
RC300h_EE(OM24740E)
3-2. Opening, closing and locking the doors and trunk
◆Smart entry & start system
Carry the electronic key to enable this function.
Grip the door handle to unlock
the doors.
Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
Touch the lock sensor (indenta-
tion on the side of the door han-
dle) to lock the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks both side doors
Check that the door is securely locked.
Press and hold to close the windows and moon roof.*
Unlocks both side doors
Press and hold to open the windowsand moon roof.*
*: These settings must be customized at
any authorized Lexus dealer or
repairer, or another duly qualified
and equipped professional.
Doors
Unlocking and locking the doors from the outside
1
2
1
2
Page 145 of 640

1453-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC300h_EE(OM24740E)
■Operation signals
The emergency flashers flash to indicate th at the doors have been locked/unlocked. (Locked: once; Unlocked: twice)
A buzzer sounds to indicate that th e windows and moon roof are operating.
■Security feature
If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the security feature automatically locks the vehicle again.
■Welcome light illumination control
The front position, tail and license plate lights automatically turn on at night when the doors are unlocked using the entry function or wireless remote control if the light switch
is in the “AUTO” position.
■When the door cannot be locked by the lock sensor on the surface of the door handle
■Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the door to stop the buzzer, and lock the vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm system. ( P. 102)
■If the smart entry & start system or the wireless remote control does not operate prop- erly
Use the mechanical key and/or inside lock buttons to lock and unlock the doors. ( P. 578) Replace the key battery with a new one if it is depleted. ( P. 511)
Use your palm to touch the lock sensor.