2015 LEXUS RC350 transmission

2794-5. Using the driving support systems
4
Driving
RC350/RCF_U (OM24636U)
RC350 (vehicles with Adaptive Variable Suspension System)
Normal mode
Provides an optimal balance of fuel economy, quietness, and dynamic perfor-
mance. Suitable for city driving.
Press the switch to change the driving mode to normal mode when Eco drive mode or
sport mode is selected.
Eco drive mode
Helps the driver accelerate in an eco-friendly manner and improve fuel econ-
omy through moderate throttle characteristics and by controlling the opera-
tion of the air conditioning system (heating/cooling).
When not in Eco drive mode, if the driving mode select switch is turned to the left, the
Eco drive mode indicator will come on.
Sport mode
•SPORT S mode
Controls the transmission and engine to provide quick, powerful accelera-
tion. This mode is suitable for when agile driving response is desired, such
as when driving on roads with many curves.
When not in SPORT S mode, if the driving mode select switch is turned to the
right, the “SPORT S” indicator will come on.
•SPORT S+ mode
Helps to ensure steering performanc e and driving stability by simulta-
neously controlling the steering and suspen sion in addition to the transmis-
sion and engine. Suitable for sportier driving.
When in SPORT S mode, if the driving mode select switch is turned to the right,
the “SPORT S+” indicator will come on.
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2804-5. Using the driving support systems
RC350/RCF_U (OM24636U)
RC F
Normal mode
Provides an optimal balance of fuel economy, quietness, and dynamic perfor-
mance. Suitable for city driving.
Press the switch to change the driving mode to normal mode when Eco drive mode or
sport mode is selected. The normal mode indicator will come on.
Eco drive mode
Helps the driver accelerate in an eco- friendly manner and improve fuel econ-
omy through moderate throttle characteristics and by controlling the opera-
tion of the air conditioning system (heating/cooling).
When not in Eco drive mode, if the driving mode select switch is turned to the left, the
Eco drive mode indicator will come on.
Sport mode
•SPORT S mode
Controls the transmission and engine to provide quick, powerful accelera-
tion. Also, gear shift timing is controll ed to suit sporty driving, making this
mode is suitable for when agile drivin g response is desired, such as when
driving on roads with many curves.
When not in SPORT S mode, if the driving mode select switch is turned to the
right, the “SPORT S” indicator will come on.
•SPORT S+ mode
Provides earlier downshift timing than SPORT S mode in order to maintain
a high engine speed and provides fa ster gear changes. This mode also
changes the steering feel and VDIM cont rol, making it suitable for power-
ful sporty driving.
When in SPORT S mode, if the driving mode select switch is turned to the right,
the “SPORT S+” indicator will come on.
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4707-2. Maintenance
RC350/RCF_U (OM24636U)
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal should move smoothly (with- out uneven pedal effort or catching).
Automatic transmission
“Park” mechanism• When parked on a slope and the shift lever is in P, isthe vehicle securely stopped?
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance
from the floor? ( P. 6 1 3 )
• Does the brake pedal have the correct amount of
free play? ( P. 6 1 3 )
Brakes
• The vehicle should not pull to one side when the
brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints (RC350)• Do the head restraints move smoothly and lock
securely?
Indicators/buzzers• Do the indicators and buzzers function properly?
Lights• Do all the lights come on?
Parking brake
• Does the parking brake pedal move smoothly?
• When parked on a slope and the parking brake is on,is the vehicle securely stopped?
Seat belts•Do the seat belt s operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount of free play?
• There should not be an y strange sounds coming
from the steering wheel.

524
RC350/RCF_U (OM24636U)8-2. Steps to take in an emergency
The following may indicate a problem with your transmission. Contact your
Lexus dealer or commercial towing service before towing.
●The engine is running but the vehicle will not move.
●The vehicle makes an abnormal sound.
If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or commercial towing service, using a lift-type truck or flatbed
truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
Situations needs to contact dealers before towing

5338-2. Steps to take in an emergency
8
When trouble arises
RC350/RCF_U (OM24636U)
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 lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
RC350: This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released the system is operating normally.
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
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.

5468-2. Steps to take in an emergency
RC350/RCF_U (OM24636U)
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
systemA 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 only
(AWD models)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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.
Wa r n i n g m e s s a g eDetails/Actions

6018-2. Steps to take in an emergency
8
When trouble arises
RC350/RCF_U (OM24636U)
RC F
Press ( ) to turn off TRAC.
WA R N I N G
■When attempting to free a stuck vehicle
If you choose to push the vehicle back and forth to free it, make sure the surrounding
area is clear to avoid striking other vehicl es, objects or people. The vehicle may also
lunge forward or lunge back suddenly as it becomes free. Use extreme caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid accelerati on of the vehicle that may cause an acci-
dent resulting in death or serious injury.
NOTICE
■To avoid damaging the transmission and other components
●Avoid spinning the rear wheels and depressing the accelerator pedal more than nec-
essary.
●If the vehicle remains stuck even after th ese procedures are performed, the vehicle
may require towing to be freed.

6119-1. Specifications
9
Vehicle specifications
RC350/RCF_U (OM24636U)
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
Automatic transmission
Fluid capacity*
RC350 (2WD)10.0 qt. (9.5 L, 8.4 Imp. qt.)
RC350 (AWD)10.6 qt. (10.0 L, 8.8 Imp. qt.)
RC F11.8 qt. (11.2 L, 9.9 Imp. qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transm ission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Front differential (AWD models)
Oil capacity 0.74 qt. (0.70 L, 0.61 Imp. qt.)
Oil type and viscosity
Hypoid gear oil API GL-5
Above 0F (-18 C): SAE90
Below 0 F (-18 C): SAE80W or SAE80W-90