2017 LEXUS RC300H stop start

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For safety and security
RC300h_EE(OM24740E)
1-3. Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been canceled.
■System maintenance
The vehicle has a maintenance-free type immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicle
Immobilizer system
The vehicle’s keys have built-in transpon der chips that prevent the hybrid sys-
tem from starting if a key has not been previously registered in the vehicle’s
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security agai nst all vehicle thefts.

1031-3. Theft deterrent system
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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

1192. Instrument cluster
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Instrument cluster
RC300h_EE(OM24740E)
■Hybrid System Indicator
Charge area
Shows regenerative charging.
Hybrid Eco area
Shows that gasoline engine power is not being used very often.
The gasoline engine will aut omatically stop and restart under various conditions.
Eco area
Shows that the vehicle is being dr iven in an Eco-friendly manner.
Power area
Shows that an Eco-friendly dr iving range is being exceeded (during full power driving etc.)
●Hybrid System Indicator is displayed when the driving mode is other than sport mode with the tachometer setting other than “Tachometer (Always)”.
●By keeping the indicator needle (except F SPORT models) or bar display (F SPORT
models) within the Eco area, more Eco- friendly driving can be achieved.
●Charge area indicates regeneration* status. Regenerated energy will be used to charge the hybrid battery (traction battery).
*: When used in this manual, re generation refers to the conversion of energy created by
the movement of the vehicle into electrical energy.
■Outside temperature display
●In the following situations, the correct outside temperature may not be displayed, or the display may take longer than normal to change.
• When stopped, or driving at low speeds (less than 20 km/h [12 mph]) • When the outside temperature has changed suddenly (at the entrance/exit of agarage, tunnel, etc.)
●When “ ” or “E” is displayed, the system may be malfunctioning. Take your vehicle to any authorized Lexus de aler or repairer, or another duly qualified
and equipped professional.
Except F SPORT modelsF SPORT models
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1413-1. Key information
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Operation of each component
RC300h_EE(OM24740E)
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but- tons on the electronic key while inside the ai rcraft cabin. If you are carrying an electronic
key in your bag etc., ensure that the buttons are not likely to be pressed accidentally. Pressing a button may cause the electronic key to emit radio waves that could interferewith the operation of the aircraft.
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The card key battery life is about a year and a half.)
●If the battery becomes low, an alarm will so und in the cabin when the hybrid system is stopped. ( P. 559)
●As the electronic key always receives radio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec- tronic key battery may be depleted. Replace the battery when necessary. ( P. 511)
• The smart entry & start system or the wireless remote control does not operate.
• The detection area becomes smaller. • The LED indicator on the key surface does not turn on.
●To avoid serious deterioration, do not leave the electronic key within 1 m (3 ft.) of thefollowing electrical appliances that produce a magnetic field:
•TVs
• Personal computers • Cellular phones, cordless phones and battery chargers• Recharging cellular phones or cordless phones
• Table lamps • Induction cookers
■Replacing the battery
 P. 511
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask any autho- rized Lexus dealer or repairer, or another du ly qualified and equipped professional for details.
■If a wrong key is used
The key cylinder rotates freely, isolated from the internal mechanism.

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.

1573-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC300h_EE(OM24740E)
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depl etion is minimized by stopping the elec- tronic key from receiving radio waves.
■Conditions affecting operation
The smart entry & start system uses weak ra dio waves. In the following situations, the communication between the electronic key an d the vehicle may be affected, preventing the smart entry & start system, wireless remote control and immobilizer system from
operating properly. (Ways of coping: P. 578)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display, airport or
other facility that gene rates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wireless com- munication device
●When the electronic key is in contact wi th, or is covered by the following metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside • Metallic wallets or bags•Coins
• Hand warmers made of metal • Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key together with the following devices that emit radiowaves
• Another vehicle’s electronic key or a wireless key that emits radio waves • Personal computers or personal digital assistants (PDAs)• Digital audio players
• Portable game systems
●If window tint with a metallic content or me tallic objects are attached to the rear win-
dow
●When the electronic key is placed near a battery charger or electronic devices
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the smart entry & start system cannot be used. To cancelthe function, press any of the electronic key but-
tons.

1593-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC300h_EE(OM24740E)
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 2 m (6 ft.) of the vehicle.
●The smart entry & start system can be deactivated in advance. ( P. 607)
■To operate the system properly
●Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off accidentally, or the door lock prev ention function may not operate.)
●Do not leave the electronic key inside the trunk.
The key confinement prevention function ma y not operate, depending on the location of the key (the inside edge of the Trunk), co nditions (inside a metal bag, close to metallic objects) and the radio waves in the surrounding area. ( P. 152)
■If the smart entry & start system does not operate properly
●Locking and unlocking the doors and opening the trunk: P. 578
●Starting the hybrid system: P. 580
■Customization
Settings (e. g. smart entry & start system) can be changed. (Customizable features: P. 607)
■If the smart entry & start system has been deactivated in a customized setting
●Locking and unlocking the doors and opening the trunk: Use the wireless remote control or mechanical key. ( P. 144, 150, 578)
●Starting the hybrid system and changing power switch modes:P. 580
●Stopping the hybrid system: P. 215

1973-5. Opening, closing the windows and moon roof
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Operation of each component
RC300h_EE(OM24740E)
■The power windows can be operated when
The power switch is in ON mode.
■Operating the power windows after turning the hybrid system off
The power windows can be operated for approximately 45 seconds after the power
switch is turned to ACCESSORY mode or turned off. They cannot, however, be oper- ated once either door is opened.
■Jam protection function
If an object becomes jammed between the window and the window frame while the win- dow is closing, window movement is stop ped and the window is opened slightly.
■Catch protection function
If an object becomes caught between the door and window while the window is opening, window movement is stopped.
■When the window cannot be opened or closed
When the jam protection function or catch protection function operates unusually and the door window cannot be opened or closed , perform the following operations with the power window switch of that door.
●Stop the vehicle. With the power switch in ON mode, within 4 seconds of the jam pro-tection function or catch protection function activating, continuously operate thepower window switch in the one-touch clos ing direction or one-touch opening direc-
tion so that the door window can be opened and closed.
●If the door window cannot be opened and closed even when performing the above operations, perform the following pr ocedure for function initialization.
Turn the power switch to ON mode.
Pull and hold the power window switch in the one-touch closing direction and com- pletely close the door window.
Release the power window switch for a moment, resume pulling the switch in the one-touch closing direction, and hold it there for approximately 6 seconds or more.
Press and hold the power window switch in the one-touch opening direction. After
the door window is completely opened, cont inue holding the switch for an additional 1 second or more.
Release the power window switch for a mome nt, resume pushing the switch in the
one-touch opening direction, and hold it there for approximately 4 seconds or more.
Pull and hold the power window switch in the one-touch closing direction again.
After the door window is completely clos ed, continue holding the switch for a fur- ther 1 second or more.
If you release the switch while the window is moving, start again from the beginning. If the window reverses and cannot be fully closed or opened, have the vehicle inspectedby any authorized Lexus dealer or repairer , or another duly qualified and equipped pro-
fessional.
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