2018 LEXUS RCF turn signal

434 6-3. Do-it-yourself maintenance
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Front turn signal lights (bulb type)
To ensure enough space to per-
form work, turn the steering
wheel to move the front wheel
toward the bulb to be replaced.
Remove the fender liner clip. To remove the clip , turn the head of
the clip to unlock it, then pull it out.
Disengage the fender liner from
the clamp then pull it back.
Turn the bulb base counterclock-
wise.Replacing light bulbs 1
2
3

4356-3. Do-it-yourself maintenance
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 6
Maintenance and care Remove the light bulb.
Install a new light bulb then install
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise. After installing the light bulb, turn on
the front turn signal light to visually
check that there is no light leaking
from the bulb base.
Engage the clamp to reinstall the
fender liner and install the clip. Insert the clip with its groove aligned
vertically to install it. 4
5
6

436 6-3. Do-it-yourself maintenance
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Rear turn signal lights
Open the trunk, remove the 2
covers and 2 screws and pull the
light unit toward the rear of the
vehicle to remove it. When removing the cover, wrap the
tip of the screwdriver with tape to
protect the vehicle from damage.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Install a new light bulb then install
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise. After installing the light bulb, turn on
the rear turn signal light to visually
check that there is no light leaking
from the bulb base. 1
2
3
4

4396-3. Do-it-yourself maintenance
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 6
Maintenance and care ■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer. ●
Headlights ●
Parking lights and daytime running lights ●
Front turn signal lights (LED type) ●
Front fog lights (if equipped) ●
Side marker lights ●
Side turn signal lights ●
Stop/tail lights ●
Stop lights ●
High mounted stoplight ●
License plate lights ■
LED lights
The lights other than the front turn signal ligh ts (bulb type), rear turn signal lights and
back-up lights each consist of a number of LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the light replaced. ■
Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:●
Large drops of water have built up on the inside of the lens. ●
Water has built up inside the headlight. ■
When replacing light bulbs
 P. 431

442
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)7-1. Essential information
Press the switch. All the turn signals will flash.
To turn them off, press the switch once
again.
■
Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating, the
battery may discharge.
Emergency flashers The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

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)

574 8-2. Customization
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Turn signal lever (  P. 221)
* 1
: After flashing the turn signal lights when turn ing left or right while this function is off
and the turn signal lever is moved to the first position in the direction of the flashing
light, the turn signal lights can be selected to be flashing or off.
* 2
: The turn signal lights keep flashing if the tu rn signal lever is moved to the first position
in the direction of flashing light.
* 3
: The turn signal lights will be off if the turn signal lever is moved to the first position in
the direction of flashing light.■
Automatic light control system (  P. 225)
■
Lights (  P. 225) Function Default setting Customized setting
The number of times the turn sig-
nal lights flash automatically
when the turn signal lever is
moved to the first position during
a lane change
* 1
3 5
— O7
Off
* 2
Off
* 3
1 2
Function Default setting Customized setting
Light sensor sensitivity Standard -2 to 2 O O
Time elapsed before headlights
automatically turn off after doors
are closed 30 seconds Off
O O60 seconds
90 seconds 1 2
Function Default setting Customized setting
Daytime running light system
(except Canada) On Off O O 1 2

5778-2. Customization
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 8
Vehicle specifications ■
Seat belt reminder (  P. 455)■
Vehicle customization ●
When the smart access system with push-button start is off, the entry unlock function
cannot be customized. ●
When the doors remain closed after unlocking the doors and the timer activated auto-
matic door lock function activates, signals will be generated in accordance with the
operation buzzer volume and operational si gnal (Emergency flashers) function set-
tings. ●
Some settings can be changed using a switch or the Center Display. If a setting is
changed using a switch, the ch anged setting will not be refl ected on the Center Display
screen until the engine switch is turn ed off and then to IGNITION ON mode.■
When customizing usin g the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P. Also,
to prevent battery discharge, leave the engine running while customizing the features. Function Default setting Customized setting
Vehicle speed linked seat belt
reminder buzzer On Off — O 1 2
WARNING ■
During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE ■
During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.