2018 LEXUS RCF key

80 1-2. Theft deterrent system
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)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 is unlocked or opened in any way other than using the entry
function, wireless remote control or mech anical key. (The doors will lock again
automatically.) ●
The trunk is opened in any way other th an using the entry function or wireless
remote control. ●
The hood is opened.
Close the doors, trunk and hood, and
lock both side doors. The system will be
set automatically after 30 seconds. The indicator light changes from being
on to flashing when the system is set.
Do one of the following to de activate or stop the alarms:●
Unlock the doors. ●
Open the trunk using the entry func tion or wireless remote control.●
Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. (The alarm will be deactivat ed 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.Alarm The alarm
Setting the alarm system
Deactivating or stopping the alarm

811-2. Theft deterrent system
1
For safety and security
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
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 si tuation, the door may automatically lock to
prevent improper entry into the vehicle: ●
When a person remaining in the vehicle un locks the door and the alarm is activated.●
While the alarm is activated, a person re maining in the vehicl e unlocks the door.●
When recharging or replacing the battery ●
A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using a
inside lock button. ●
The trunk is opened using the mechanical key.
●
The battery is recharged or replaced when the
vehicle is locked. (  P. 524)
NOTICE ■
To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

139
Operation of
each component
3
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 3-1. Key information
Keys .................................................. 140
3-2. Opening, closing and
locking the doors and
trunk
Doors ............................................... 145
Trunk .................................................. 151
Smart access system with
push-button start ...................... 156
3-3. Adjusting the seats
Front seats........................................ 161
Rear seats....................................... 164
Power easy access system/
driving position memory/
memory recall function ......... 166
Head restraints .............................. 171
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ..............................174
Inside rear view mirror ..............176
Outside rear view mirrors....... 178
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 182
Moon roof ...................................... 186

140
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)3-1. Key information
The following keys are provided with the vehicle.
Electronic keys • Operating the smart access system
with push-button start (  P. 156)
• Operating the wireless remote con-
trol function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped) Operating the smart access system with
push-button start (  P. 156)
Locks the doors (  P. 145)
Unlocks the doors (  P. 145)
Opens the windows and moon roof
*(  P. 145)
Opens the trunk (  P. 151)
Sounds the alarm (  P. 141)
* : This setting must be customized at your
Lexus dealer.Keys The keys 1
2
3
4
Wireless remote control 1
2
3
4
5

1413-1. Key information
3
Operation of each component
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)To take out the mechanical key, push
the release button and take the key out. The mechanical key can only be
inserted in one direction, as the key only
has grooves on one side. If the key can-
not be inserted in a lock cylinder, turn it
over and re-attempt to insert it.
After using the mechanical key, store it
in the electronic ke y. Carry the mechan-
ical key together with the electronic key.
If the electronic key battery is depleted
or the entry function does not operate
properly, you will need the mechanical
key. (  P. 518)
■
Panic modeUsing the mechanical key
When is pressed for longer than about
one second, an alarm will sound intermittently
and the vehicle lights will flash to deter any per-
son from trying to break into or damage your
vehicle.
To stop the alarm, press any button on the elec-
tronic key.

142 3-1. Key information
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Card key (if equipped) ●
The card key is not waterproof. ●
The mechanical key that is stored inside the card key should be us ed only if a problem
arises, such as when the card key does not operate properly.●
If it is difficult to take out the mechanical key, push down the lock release button using a
pen tip etc. If it is still difficult to pull it out, use a coin etc.
■
When required to leave the vehicle’s key with a parking attendant
Set the luggage security system (  P. 152) on and lock the glove box (  P. 351) as cir-
cumstances demand.
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only. ■
If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle. ■
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 airc raft 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 interfere
with the operation of the aircraft. ●
To store the mechanical key in the card key,
insert it while pressing the lock release button. ●
If the battery cover is not installed and the bat-
tery falls out or if the battery was removed
because the key got wet, reinstall the battery
with the positive terminal facing the Lexus
emblem.

1433-1. Key information
3
Operation of each component
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
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 soun d in the cabin when the engine is stopped.
(  P. 485) ●
As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indi cate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. (  P. 427)
• The smart access system with push-button start 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 3 ft. (1 m) of the
following 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. 427 ■
Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details. ■
If a wrong key is used
The key cylinder rotates freely, isol ated from the internal mechanism.

144 3-1. Key information
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)NOTICE ■
To prevent key damage ●
Do not drop the keys, subject them to strong shocks or bend them.●
Do not expose the keys to high temp eratures for long periods of time.●
Do not get the keys wet or wash th em in an ultrasonic washer etc.●
Do not attach metallic or magnetic materials to the keys or place the keys close to
such materials. ●
Do not disassemble the keys. ●
Do not attach a sticker or anything else to the surface of the electronic key. ●
Do not place the keys near objects that pr oduce magnetic fields, such as TVs, audio
systems and induction cookers. ■
Carrying the electronic key on your person
Carry the electronic key 3.9 in. (10 cm) or mo re away from electric appliances that are
turned on. Radio waves emitted from electric appliances within 3.9 in. (10 cm) of the
electronic key may interfere with the key, causing the key to not function properly.■
In case of a smart access system with pu sh-button start malfunction or other key-
related problems
Take your vehicle with all the electronic keys provided with your vehicle, including the
card key, to your Lexus dealer. ■
When an electronic key is lost
If the electronic key re mains lost, the risk of vehicle th eft increases significantly. Visit
your Lexus dealer immediately with all rema ining electronic keys and the card key that
were provided with your vehicle. ■
Handling the card key (if equipped) ●
Do not apply excess force when inserting th e mechanical key into the card key. Doing
so may damage the card key. ●
If the battery or card key terminals get wet, the battery may corrode.
If the key is dropped into water, or if drin king water etc. is spilled on the key, immedi-
ately remove the battery cover and wipe th e battery and terminals. (To remove the
battery cover, lightly grasp and pull it.) If the battery is corroded, have your Lexus
dealer replace the battery. ●
Do not crush the battery cover or use a screwdriver to remove the battery cover.
Forcibly removing the battery cover may bend or damage the key. ●
If the battery cover is frequently removed, the battery cover may become loose. ●
When installing the battery, make sure to check the direction of the battery.
Installing the battery in the wrong directio n may cause the battery to deplete rapidly.●
The surface of the card key may be damaged, or its coating may peel off in the follow-
ing situations:
• The card key is carried together with hard objects, such as coins and keys.
• The card key is scraped with a sharp object, such as the tip of a mechanical pencil.
• The surface of the card key is wiped with thinner or benzene.