LEXUS RC300 2017 Owners Manual

5718-2. Steps to take in an emergency
8
When trouble arises
Master warning light
The master warning light also comes on or flashes in order to indicate that a
message is currently being displaye d on the multi-information display.
Multi-information display
If any of the warning messages is show n again after the following actions have
been performed, contact your Lexus dealer.
If a warning message is displayed
If a warning is shown on the multi-info rmation display, stay calm and perform
the following actions:
RC350/RC300/RC200t
(except F SPORT models)RC350/RC300/RC200t
(F SPORT models: main meter in
center position)
RC350/RC300/RC200t
(F SPORT models: main meter
moved to the right) RC F
1
2

5728-2. Steps to take in an emergency
Warning message and warning buzzer list
Warning messageDetails/Actions
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision; or
• The pre-collision braking function is operatingA buzzer also sounds.
→ Slow the vehicle by applying the brakes.
Indicates that the engine was stopped with the shift lever
not in P
A buzzer also sounds.
→ Shift the shift lever to P.
Indicates that the engine was stopped while driving
A buzzer also sounds.
→ Stop the vehicle in a safe place such as the shoulder
of a road.
(If equipped)
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance mode)
A buzzer also sounds.
→ Slow the vehicle by applying the brakes.
(Flashes)
(Flashes)
(Flashes)

5738-2. Steps to take in an emergency
8
When trouble arises
(If equipped)
Alerts the driver that the vehicle has deviated from the
lane (while the LDA [Lane Departure Alert] system is
operating)The lane line on the side the vehicle has deviated from
flashes in yellow.
The warning buzzer sounds continuously.
→ Check around the vehicle and back to inside of the
lane lines.
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Indicates that one or more of the doors is not fully closed The system also indicates which doors are not fully
closed.
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the door(s) are not yet fully closed.
→ Make sure that both side doors are closed.
Indicates that the hood is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the hood is not yet fully closed.
→ Close the hood.
Indicates that the trunk is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the trunk is not yet fully closed.
→ Close the trunk.
Warning messageDetails/Actions
(U.S.A.) (Canada) (Flashes)

5748-2. Steps to take in an emergency
(If equipped)
Indicates a malfunction in the intuitive parking assist-sen-
sor
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that an intuitive pa rking assist-sensor is dirty or
covered with ice
A buzzer also sounds.
→ Clean the sensor.
Indicates a malfunction in th e EPS (Electric Power Steer-
ing) system A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions

5758-2. Steps to take in an emergency
8
When trouble arises
RC350/RC300/
RC200t
RC F
Indicates that the vehicle is being driven at 3 mph (5 km/h)
or more with the parking brake still engaged.A buzzer also sounds.
→ Release the parking brake.
Indicates that the shift lever was used to attempt to shift
to the first gear position in M mode on a slippery road
surface
The gear position will not shift from the second gear.
A buzzer also sounds.
→ Drive the vehicle in the second or a higher gear
position.
RC200t only
Indicates an engine malfunction
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
RC200t only
Indicates an engine malfunction
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(U.S.A.) (Canada) (Flashes)
(U.S.A.) (Canada) (Flashes)
(U.S.A.) (Canada)
(U.S.A.) (Canada)

5768-2. Steps to take in an emergency
RC200t only
Indicates an engine malfunctionA buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupa nt classification system; or
• The seat belt pretensioner system A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
→ P. 630
(If equipped)
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
→ Clean the sensor.
Warning messageDetails/Actions
(U.S.A.) (Canada)

5778-2. Steps to take in an emergency
8
When trouble arises
(If equipped)
Indicates that the dynamic radar cruise control system is
unable to judge vehicle-to-vehicle distanceA buzzer also sounds.
→ Turn off snow mode.
If the windshield wipers are on, turn them off or set
them to a mode other than AUTO or high speed
wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system is
suspended (The camera sensor temperature is higher
than the operation temperature range)
A buzzer also sounds.
→ Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the rear bumper is dirty or covered
with snow, ice, etc. or th at a sensor is misaligned
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. 319) 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 cruise control system; or
• The dynamic radar cruise co ntrol system (if equipped)
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.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions

5788-2. Steps to take in an emergency
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)A buzzer also sounds.
→ Have the vehicle inspecte d by your Lexus dealer
immediately.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates abnormal engine oil pressure
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
Indicates that the automatic transmission fluid tempera-
ture is too high
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
RC350/RC300 only
(AWD models)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(Flashes)

5798-2. Steps to take in an emergency
8
When trouble arises
RC350 only
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear
Ratio Steering) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
RC F only
Indicates that the active re ar wing switch was pressed
when the active rear wing was disabled
→ Enable the active rear wing ( →P. 127) then press
the active rear wing switch.
(If equipped)
Indicates that the LDA (Lan e Departure Alert) system
cannot be used because the vehicle speed is lower than
approximately 32 mph (50 km/h)
→ Drive the vehicle at 32 mph (50 km/h) or higher.
Indicates that the engine was stopped while driving
A buzzer also sounds.
→ Operate the steering wheel with more force than
usual.
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on
A buzzer also sounds.
→ Turn the lights off.
Warning messageDetails/Actions
(Flashes)

5808-2. Steps to take in an emergency
(If equipped)
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)A buzzer also sounds.
→ Close the moon roof.
Indicates that the windows are not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→ Close all the windows.
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the engine switch off, and the driver’s
door open)
A buzzer also sounds.
→ Close all the windows and the moon roof.
RC F only
(If equipped)
Indicates a malfunction in the TVD (Torque Vectoring
Differential) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)