2019 LEXUS RCF automatic transmission

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RC F_U 53-1. Key information
Keys .................................................. 140
3-2. Opening, closing and
locking the doors and
trunk
Doors ................................................145
Trunk .................................................. 151
Smart access system with
push-button start.......................156
3-3. Adjusting the seats
Front seats ....................................... 161
Rear seats .......................................164
Power easy access system/
driving position memory/
memory recall function ..........166
Head restraints .............................. 171
3-4. Adjusting the steering
wheel and mirrors
Steering wheel .............................. 174
Inside rear view mirror .............. 176
Outside rear view mirrors .......178
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 182
Moon roof ...................................... 186 4-1. Before driving
Driving the vehicle ......................192
Cargo and luggage ....................201
Vehicle load limits ..................... 204
Trailer towing .............................. 205
Dinghy towing ............................. 206
4-2. Driving procedures
Engine (ignition) switch ........... 207
Automatic transmission ............213
Turn signal lever ........................... 221
Parking brake .............................. 222
ASC
(Active Sound Control)
(RC350/RC300) ................ 223
ASC
(Active Sound Control)
(RC F) .......................................... 224
4-3. Operating the lights and
wipers
Headlight switch ........................ 225
Automatic High Beam............. 228
Fog light switch ........................... 232
Windshield wipers and
washer ......................................... 233
4-4. Refueling
Opening the fuel tank cap ....... 2413
Operation of each
component 4
Driving

191
Driving
4
RC F_U 4-1. Before driving
Driving the vehicle ...................... 192
Cargo and luggage .................... 201
Vehicle load limits ......................204
Trailer towing .............................. 205
Dinghy towing ............................ 206
4-2. Driving procedures
Engine (ignition) switch ...........207
Automatic transmission............ 213
Turn signal lever........................... 221
Parking brake .............................. 222
ASC
(Active Sound Control)
(RC350/RC300) .................223
ASC
(Active Sound Control)
(RC F)........................................... 224
4-3. Operating the lights and
wipers
Headlight switch .........................225
Automatic High Beam .............228
Fog light switch ...........................232
Windshield wipers and
washer..........................................233 4-4. Refueling
Opening the fuel tank cap .......241
4-5. Using the driving support
systems
Lexus Safety System+ .............. 245
PCS
(Pre-Collision System) .........250
LDA
(Lane Departure Alert
with steering control) ..............261
Dynamic radar cruise
control ......................................... 268
Intuitive parking assist ..............280
BSM
(Blind Spot Moni tor)..............290
• BSM function ......................... 293
• RCTA function...................... 297
Driving mode select
switch ............................................ 301
Active rear wing ......................... 307
TVD
(Torque Vectoring
Differential) ................................. 310
Driving assist systems ............... 312
4-6. Driving tips
Winter driving tips .....................320

2134-2. Driving procedures
4
Driving
RC F_U While the engine switch is in IGNITION ON mode, move the shift lever
with the brake pedal depressed. When shifting the shift lever between P and D, make sure that the vehicle is com-
pletely stopped. Automatic transmission Shifting the shift lever

216 4-2. Driving procedures
RC F_U To enter M mode, shift the shift lever to M. Gears can then be selected by oper-
ating the shift lever or paddle shift switch es, allowing you to drive in the gear of
your choosing.
Upshifting
Downshifting The gear changes once every time the
shift lever or paddle shift switch is oper-
ated.
8-speed models: Th e selected gear,
from M1 to M8, will be fixed and dis-
played in the meter.
6-speed models: The selected gear,
from M1 to M6, will be fixed and dis-
played in the meter.
When in the M position, the gear will not change unless the shift lever or pad-
dle shift switches are operated.
However, even when in the M positi on, the gears will be automatically
changed in the following situation: ●
When vehicle speed drops (downshift only). ●
When a gear change is necessary to protect the engine or automatic trans-
mission when the engine coolant te mperature or automatic transmission
fluid temperature is low, or other reasons.
In the following situations, the gear will no t shift even if the shift lever or paddle
shift switches are operated. ●
“Slippery Road. Cannot Shift to Lowe r Gear.” is displayed on the multi-
information display. ●
The vehicle speed is low (upshift only).Selecting gears in the M position 1
2

218 4-2. Driving procedures
RC F_U ■
Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:●
When the vehicle comes to a stop ●
If the accelerator pedal is depressed fo r more than a certain period of time●
When the shift lever is shifted to a position other than D ■
To protect the automatic transmission
If the automatic transmission fluid temperat ure is high, “Transmission Fluid Temp High
See Owner’s Manual” will be displayed on the multi-information display and the vehicle
will go into transmission protection mode automatically. Have th e vehicle inspected by
your Lexus dealer. ■
Downshifting restriction warning buzzer
To help ensure safety and driving performance, downshifti ng operation may sometimes
be restricted. In some circum stances, downshifting may not be possible even when the
shift lever or paddle shif t switch is operated. (A buzzer will sound twice.)■
Snow mode automatic deactivation
Snow mode is automatically deactivated if the engine switch is turn ed off after driving in
snow mode. ■
When driving with dynamic radar cruise control activated
Even when performing the following actions with the intent of enabling engine braking,
engine braking will not activate because dy namic radar cruise control will not be can-
celed. ●
8-speed models: While driving in the D posi tion, downshifting to 7, 6, 5 or 4.
(  P. 268) ●
6-speed models: While driving in the D position, downshifting to 5 or 4.
(  P. 268) ●
When switching the driving mode to sport mode while driving in D position.
(  P. 301)■
Shift lock system
The shift lock system is a system to prevent ac cidental operation of the shift lever in start-
ing.
The shift lever can be shifted from P only when the engine switch is in IGNITION ON
mode and the brake pedal is being depressed. ■
Restraining sudden start (Drive-Start Control)●
When the following unusual operation is performed, the engine output may be
restrained.
• When the shift lever is shifted from R to D, D to R, N to R, P to D, or P to R (D
includes M) with the accelerator pedal depressed, a warning message appears on
the multi-information display. (  P. 465)
• When the accelerator pedal is depressed t oo much while the vehicle is in reverse.

388 6-2. Maintenance
RC F_U Vehicle interior Items Check points
Accelerator pedal • The accelerator pedal sh ould 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, is
the vehicle securely stopped?
Brake pedal • Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance
from the floor? (  P. 547)
• Does the brake pedal have the correct amount of
free play? (  P. 547)
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 no t get too close to the floor
when the brakes are applied.
Head restraints
(RC350/RC300) • 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 belts 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 any strange sounds coming
from the steering wheel.

4537-2. Steps to take in an emergency
RC F_U 7
When trouble arises
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 inspecte d 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.

472 7-2. Steps to take in an emergency
RC F_U Indicates that the automatic transmission fluid tempera-
ture is too high
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer. (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. (If equipped)
Indicates that the active re ar wing switch was pressed
when the active rear wing was disabled
 Enable the active rear wing (  P. 130) then press
the active rear wing switch. (AWD models)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that LDA (Lane Departure Alert with steering
control) system cannot be used due to the vehicle speed
being too high
 Slow down.Warning message Details/Actions