LEXUS RC F (2019 year). Manual — part 28
446
7-2. Steps to take in an emergency
RC F_U
If your vehicle is transported by a flat-
bed truck, it should be tied down at the
locations shown in the illustration.
If you use chains or cables to tie down
your vehicle, the angles shaded in black
must be 45
.
Do not overly tighten the tie downs or
the vehicle may be damaged.
If a tow truck is not available in an emergency, your vehicle may be temporarily
towed using cables or chains secured to the emergency towing eyelets. This
should only be attempted on hard surfaced roads for at most 50 miles (80 km)
at under 18 mph (30 km/h).
A driver must be in the vehicle to steer and operate the brakes. The vehicle’s
wheels, drive train, axles, steering and brakes must be in good condition.
Using a flatbed truck
Emergency towing
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Take out the towing eyelet. (
Remove the eyelet cover using a flathead screwdriver.
To protect the bodywork, place a rag between the screwdriver and the vehicle body
as shown in the illustration.
Emergency towing procedure
1
2
RC350/RC300
(except F SPORT models)
RC350/RC300
(F SPORT models)
RC F
448
7-2. Steps to take in an emergency
RC F_U
Insert the towing eyelet into the hole
and tighten partially by hand.
Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
Securely attach cables or chains to the towing eyelet.
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn the engine switch to IGNITION ON mode.
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted:
■
While towing
If the engine is not running, the power assist for the brakes and steering will not function,
making steering and braking more difficult.
■
Wheel nut wrench
Wheel nut wrench is installed in trunk. (
3
4
5
6
7
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7-2. Steps to take in an emergency
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WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■
When towing the vehicle
2WD models
AWD models
Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the
drivetrain and related parts may be damaged
or an accident may occur due to a change in
direction of the vehicle.
Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the
drivetrain or related parts may be damaged,
the vehicle may fly off the truck.
450
7-2. Steps to take in an emergency
RC F_U
WARNING
■
While towing
●
When towing using cables or chains, avoid sudden starts, etc. which place excessive
stress on the towing eyelets, cables or chains. The towing eyelets, cables or chains
may become damaged, broken debris may hit people, and cause serious damage.
●
Do not turn the engine switch off.
There is a possibility that the steering wheel is locked and cannot be operated.
■
Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.
NOTICE
■
To prevent damage to the vehicle when towing using a wheel-lift type truck
●
Do not tow the vehicle from the rear when the engine switch is off. The steering lock
mechanism is not strong enough to hold the front wheels straight.
●
When raising the vehicle, ensure adequate ground clearance for towing at the oppo-
site end of the raised vehicle. Without adequate clearance, the vehicle could be dam-
aged while being towed.
■
To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■
To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.
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7-2. Steps to take in an emergency
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●
Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
●
Flat-looking tires or uneven tire wear
●
Engine coolant temperature gauge continually points higher than normal.
●
Changes in exhaust sound
●
Excessive tire squeal when cornering
●
Strange noises related to the suspension system
●
Pinging or other noises related to the engine
●
Engine missing, stumbling or running roughly
●
Appreciable loss of power
●
Vehicle pulls heavily to one side when braking
●
Vehicle pulls heavily to one side when driving on a level road
●
Loss of brake effectiveness, spongy feeling, pedal almost touches the floor
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
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7-2. Steps to take in an emergency
RC F_U
Follow the procedure below to restart the engine after the system is activated.
Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or when an airbag
inflates upon collision, the fuel pump shut off system stops the supply of fuel to
the engine.
NOTICE
■
Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system has been damaged and
is in need of repair. Do not restart the engine.
1
2
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If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Warning light and warning buzzer list
Warning light
Warning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
(If equipped)
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
Have the vehicle inspected by your Lexus dealer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)
(Canada)
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system
Have the vehicle inspected by your Lexus dealer immediately.
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7-2. Steps to take in an emergency
RC F_U
(U.S.A.)
(Canada)
Parking brake warning light (warning buzzer)
*
1
Indicates that the parking brake is engaged
Release the parking brake.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EPS (Electric Power Steering) sys-
tem
Have the vehicle inspected by your Lexus dealer immediately.
LDA (Lane Departure Alert) indicator
If the LDA indicator is illuminated:
Indicates a malfunction in the LDA (Lane Departure Alert with
steering control) system.
Check the warning message displayed on the multi-information
display. (
P. 460)
If the LDA indicator flashes:
Indicates that the vehicle has deviated from the lane (while the
LDA [Lane Departure Alert with steering control] system is oper-
ating)
Check the area around the vehicle and return the vehicle to
between the lane lines.
(Flashes or illuminates)
PCS warning light
Indicates a malfunction in the PCS (Pre-Collision System) or that
the system is temporarily unavailable due to the vehicle being
extremely hot/cold, or dirt around a front sensor, etc.
Follow the instructions displayed on the multi-information dis-
play. (
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Con-
trol) system is disabled, the PCS warning light will illuminate.
(
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC or the TRAC system is operating.
Have the vehicle inspected by your Lexus dealer immediately.
(If equipped)
Automatic headlight leveling system warning light
Indicates a malfunction in the automatic headlight leveling system
Have the vehicle inspected by your Lexus dealer immediately.
Open door warning light (warning buzzer)
*
2
Indicates that a door or the trunk is not fully closed
Check that both side doors and the trunk are closed.
Warning light
Warning light/Details/Actions
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7-2. Steps to take in an emergency
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Low fuel level warning light
Indicates that remaining fuel is approximately 2.6 gal. (10 L, 2.2
Imp. gal.) or less
Refuel the vehicle.
Seat belt reminder light (warning buzzer)
*
3
Warns the driver and/or front passenger to fasten their seat belts
Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fastened to make the warning light
(warning buzzer) turn off.
Rear passengers’ seat belt reminder lights (warning buzzer)
*
3
Warns the rear passengers to fasten their seat belts
Fasten the seat belt.
Master warning light
A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
P. 460
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes (
• Flat tire (
Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the light does
not turn off even if the tire inflation pressure is adjusted, have the
system checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
Have the system checked by your Lexus dealer.
Warning light
Warning light/Details/Actions
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7-2. Steps to take in an emergency
RC F_U
*
1
: Parking brake engaged warning buzzer (RC350/RC300):
*
2
: Open door warning buzzer:
*
3
: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 90 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger that his or
her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 90 more seconds.
Rear passenger’s seat belt buzzer:
The rear passenger’s seat belt buzzer sounds to alert the rear passenger that his or
her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 24 more seconds.
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7-2. Steps to take in an emergency
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■
SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (door), side impact sensors (front), side impact sensors (rear), driver’s
seat position sensor, driver’s seat belt buckle switch, front passenger occupant classifica-
tion system, “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front passen-
ger’s seat belt buckle switch, seat belt pretensioners, airbags, interconnecting wiring and
power sources. (
■
Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passenger
is not sitting in the seat.
■
If the malfunction indicator lamp comes on while driving
First check the following:
●
Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon as
possible.
■
Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily drops, the
electric power steering system warning light may come on and the warning buzzer may
sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch will not turn off the tire pressure warning light.
■
The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural air
leaks and tire inflation pressure changes caused by temperature. In this case, adjusting
the tire inflation pressure will turn off the warning light (after a few minutes).
■
When a tire is replaced with the spare tire (if equipped)
The spare tire is not equipped with a tire pressure warning valve and transmitter. If a tire
goes flat, the tire pressure warning light will not turn off even though the flat tire has been
replaced with the spare tire.
■
Conditions that the tire pressure warning system may not function properly
P. 417
■
If the tire pressure warning light frequently comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute when the
engine switch is turned to IGNITION ON mode, have it checked by your Lexus dealer.
■
Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location or audio
sound.
458
7-2. Steps to take in an emergency
RC F_U
WARNING
■
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The vehi-
cle will become extremely unstable during braking, and the ABS system may fail, which
could cause an accident resulting in death or serious injury.
■
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
When steering wheel operations are heavier than usual, grip the steering wheel firmly
and operate it using more force than usual.
■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
Vehicles with a spare tire
●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
Vehicles with an emergency tire puncture repair kit
●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, repair the
flat tire by using emergency tire puncture repair kit.
●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
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WARNING
■
Maintenance of the tires
Each tire, including the spare (if provided), should be checked monthly when cold and
inflated to the inflation pressure recommended by the vehicle manufacturer on the
vehicle placard or tire inflation pressure label (tire and load information label). (If your
vehicle has tires of a different size than the size indicated on the vehicle placard or tire
inflation pressure label [tire and load information label], you should determine the
proper tire inflation pressure for those tires.)
As an added safety feature, your vehicle has been equipped with a tire pressure moni-
toring system (TPMS-tire pressure warning system) that illuminates a low tire pressure
telltale (tire pressure warning light) when one or more of your tires is significantly
under-inflated. Accordingly, when the low tire pressure telltale (tire pressure warning
light) illuminates, you should stop and check your tires as soon as possible, and inflate
them to the proper pressure. Driving on a significantly under-inflated tire causes the
tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency
and tire tread life, and may affect the vehicle’s handling and stopping ability.
Please note that the TPMS (tire pressure warning system) is not a substitute for proper
tire maintenance, and it is the driver’s responsibility to maintain correct tire pressure,
even if under-inflation has not reached the level to trigger illumination of the TPMS low
tire pressure telltale (tire pressure warning light).
Your vehicle has also been equipped with a TPMS (tire pressure warning system) mal-
function indicator to indicate when the system is not operating properly. The TPMS
(tire pressure warning system) malfunction indicator is combined with the low tire pres-
sure telltale (tire pressure warning light). When the system detects a malfunction, the
telltale will flash for approximately one minute and then remain continuously illumi-
nated. This sequence will continue upon subsequent vehicle start-ups as long as the
malfunction exists. When the malfunction indicator is illuminated, the system may not
be able to detect or signal low tire pressure as intended.
TPMS (tire pressure warning system) malfunctions may occur for a variety of reasons,
including the installation of replacement or alternate tires or wheels on the vehicle that
prevent the TPMS (tire pressure warning system) from functioning properly. Always
check the TPMS (tire pressure warning system) malfunction telltale after replacing one
or more tires or wheels on your vehicle to ensure that the replacement or alternate
tires and wheels allow the TPMS (tire pressure warning system) to continue to function
properly.
NOTICE
■
To ensure the tire pressure warning system operates properly
Do not install tires with different specifications or makers, as the tire pressure warning
system may not operate properly.
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7-2. Steps to take in an emergency
RC F_U
Master warning light
The master warning light also comes on or flashes in order to indicate that a
message is currently being displayed on the multi-information display.
Multi-information display
If any of the warning messages is shown 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-information display, stay calm and perform
the following actions:
RC350/RC300
(except F SPORT models)
RC350/RC300
(F SPORT models: main meter in
center position)
RC350/RC300
(F SPORT models: main meter
moved to the right)
RC F
1
2
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7-2. Steps to take in an emergency
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Warning message and warning buzzer list
Warning message
Details/Actions
Indicates that there is a high possibility of a frontal colli-
sion, or that the pre-collision braking function is operat-
ing
A buzzer also sounds.
Avoid the collision by decelerating using the brakes
or taking other evasive actions.
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.
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance control mode)
A buzzer also sounds.
Slow the vehicle by applying the brakes.
(Flashes)
(Flashes)
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