2018 LEXUS RC300 trunk

518 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Use the mechanical key (  P. 141) in order to perfor m the following operations:■
Unlocking the door
Insert the mechanical key while
pulling on the driver’s door han-
dle.
Unlocking the door.
Remove the key, return the handle, and then pull the handle again.If the electronic key do es not operate properlyIf communication between the electron ic key and vehicle is interrupted (  P.
158) or the electronic key cannot be used because the battery is depleted,
the smart access system with push-butto n start and wireless remote control
cannot be used. In such cases, the doors and trunk can be opened and the
engine can be started by following the procedure below.
Locking and unlocking the doors and opening the trunk 1
2
3

5197-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises ■
Locking the door
Move the inside lock button to the
lock position.
Close the door.■
Opening the trunk
Turn the mechanical key clockwise
to open. (  P. 81)■
Key linked functions
* : These settings must be cust omized at your Lexus dealer.1
2
Locks both side door
Closes the windows and moon roof (if
equipped) (turn and hold)
*Unlocks the door
Turning the key rearward unlocks the driver’s
door. Turning the key again unlocks the other
door.
Opens the windows and moon roof (if
equipped) (turn and hold)
* 1
2
2
3
3
4
4

5538-1. Specifications
8
Vehicle specifications
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Light bulbs Light bulbs Bulb No. W Type
Exterior Front turn signal lights (bulb type) 7444NA 28/8 A
Rear turn signal lights  21 A
Back-up lights 921 16 B
Interior Vanity lights  8 B
Footwell lights 194 3.8 B
Trunk light  5 B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)

5718-2. Customization
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 8
Vehicle specifications ■
Door lock (  P. 145, 151, 518)
■
Smart access system with push-button start and wireless remote control
(  P. 145, 151) Function Default setting Customized setting
Unlocking using a mechanical
key Driver’s door
unlocked in one
step, both side
doors unlocked in
two steps Both side doors
unlocked in one
step — O
Automatic door lock Shifting the shift
lever to position
other than P Off
O OVehicle speed is
approximately 12
mph (20 km/h) or
higher
Automatic door unlock Shifting the shift
lever to P Off
O O
Driver’s door is
opened
Locking/unlocking of the trunk
when both side doors are
locked/unlocked On Off — O 1 2
Function Default setting Customized setting
Operation buzzer volume 5 Off
O O
1 to 7
Operation signal (Emergency
flashers) On Off O O
Time elapsed before automatic
door lock function is activated if
door is not opened after being
unlocked 60 seconds Off
O O30 seconds
120 seconds
Open door warning buzzer On Off — O
Welcome light illumination con-
trol On Off O O 1 2

572 8-2. Customization
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Smart access system with push-button start (  P. 145, 151, 156)
■
Wireless remote control (  P. 140, 145, 151)
■
Driving position memory
* (  P. 166)
* : If equipped Function Default setting Customized setting
Smart access system with push-
button start On Off — O
Smart door unlocking Driver’s door Both side doors O O
Number of consecutive door
lock operations 2 times As many as desired — O 1 2
Function Default setting Customized setting
Wireless remote control On Off — O
Unlocking operation Driver’s door
unlocked in one
step, both side
doors unlocked in
two steps Both side doors
unlocked in one
step O O
Trunk unlocking operation Press and hold
(short) One short press
— OPush twice
Press and hold
(long)
Off
Alarm (panic mode) On Off — O 1 2
Function Default setting Customized setting
Selecting the door linking driving
position memory with door
unlock operation Driver’s door Both side doors — O 1 2

612
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)What to do if... (Troubleshooting)
What to do if... (Troubleshooting) ●
If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. (  P. 142)●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (  P. 144)●
Is the electronic key battery weak or depleted? (  P. 427)●
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (  P. 208)●
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person. ●
The function may not operate properly du e to the condition of the radio wave.
(  P. 158)
●
The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(  P. 153)If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed You lose your keys
The doors cannot be locked or unlocked
The trunk lid is closed with the electronic key left inside

614 What to do if... (Troubleshooting)
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)●
The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (  P. 455)●
The parking brake indicator is on
Is the parking brake released? (  P. 222)
Depending on the situation, other type s of warning buzzer may also sound.
(  P. 453, 460)
●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (  P. 80)
Do one of the following to de activate or stop the alarms:• Unlock the doors.
• Open the trunk using the entry function or wireless remote control.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the
engine.
●
Is the electronic key left inside th e vehicle or the moon roof opened?
Check the message on the multi-information display. (  P. 460)
●
When a warning light turns on or a wa rning message is displayed, refer to
P. 453, 460. A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

618 Alphabetical index
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Card key ................................................... 140
Care ................................................. 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Cargo capacity...................................... 204
Cargo hooks .......................................... 353
Chains ............................................ 322, 322
Child restraint system............................ 58
Child seats definition .......................... 58
Child seats installation ................. 65, 71
Front passenger occupant
classification system ...........................51
Installing a CRS to
the passenger seat............................ 62
Installing a CRS to the rear
seat............................................................ 64
Installing CRS
with LATCH anchors ..................... 72
Installing CRS with seat belts ..........65
Installing CRS
with top tether strap ......................... 76 Child safety ................................................. 57
Airbag precautions...............................42
Battery precautions ............... 410, 525
Child restraint system......................... 58
How your child should wear
the seat belt .......................................... 36
Installing child restraints .................... 58
Moon roof precautions ................... 189
Power window lock switch.............182
Power window precautions .......... 185
Removed electronic
key battery precautions .............. 428
Seat belt extender
precautions .......................................... 39
Seat belt precautions .......................... 38
Seat heater precautions ................. 344
Trunk precautions ...............................154C