2018 LEXUS RCF sensor

4697-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises Indicates a malfunction in the smart access system with
push-button start
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer. (If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean off the dirt, snow, ice, etc. and drive the vehi-
cle with the operation conditions of the BSM func-
tion (  P. 295) satisfied for approximately 10
minutes. If the warning me ssage does not disappear,
the sensor may be misaligned. Have the vehicle
inspected by your Lexus dealer.
Indicates a malfunction in the dynamic radar cruise con-
trol system
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in the LDA (Lane Departure
Alert with steering control) system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.Warning message Details/Actions

470 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) The operation conditions of the camera sensor are not
met.
The following systems may be suspended until the
problem shown in the message is resolved.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control)
• Dynamic radar cruise control
•Automatic High Beam
 P. 260
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.
 Turn the LDA (Lane Departure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Depart ure Alert with steering
control) system back on.Warning message Details/Actions

4817-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises
* : Refer to the separate “Scheduled Mainte nance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle. Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
 Stop using unnecessary electric components to
reduce electricity consumpt ion. Wait a while until
the electric power supply is restored.
If this message is freque ntly displayed, have the
vehicle inspected at your Lexus dealer immediately.
Indicates that the PCS (Pre -Collision System) is tempo-
rarily unavailable
 When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by your Lexus dealer.
Indicates that part of th e PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
 Remove any dirt, ice, etc.Warning message Details/Actions(Flashes)

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

5758-2. Customization
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 8
Vehicle specifications ■
Intuitive parking assist
* (  P. 280)
* : If equipped ■
Driving mode select switch (  P. 301)
* : If equipped ■
Active rear wing
* (  P. 307)
* : RC F
■
Automatic air conditioning system (  P. 333)Function Default setting Customized setting
Detection distance of the front
center sensor
* Far Near O O
Detection distance of the rear
center sensor Far Near O O
Buzzer volume 2 1 to 3 O O 1 2
Function Default setting Customized setting
Powertrain control in custom
mode
* Normal Power
O —
Eco
Chassis control in custom
mode
* Normal Sport O —
Air conditioning operation in
custom mode
* Normal Eco O — 1 2
Function Default setting Customized setting
Operation of the active rear wing Off On — O 1 2
Function Default setting Customized setting
A/C auto switch operation On Off O O
Exhaust gas sensor sensitivity Standard -3 to 3 O O 1 2

5858-4. Certifications
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 8
Vehicle specifications 
RC350/RC300
Millimeter wave radar sensor

588 8-4. Certifications
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)This device complies with Part 15 of th e FCC Rules. Operation is subject to the
following two conditions; (1) This device may not cause harmful interference, and
(2) this device must accept any interferen ce received, including interference that
may cause undesired operation.
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme NMB-001 du Canada.Intuitive parking assist sensor

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