2020 LEXUS RC300 brake

1274-2. Driving procedures
4
Driving
■Locking the door from outside with the
engine running
1
With the driver’s door open, pull the
driver’s door handle and insert the
mechanical key.
2
Turn the mechanical key counterclock-
wise.
3
Pull out the mechanical key and close
the door.
Modes can be changed by pressing
the engine switch with brake pedal
released. (The mode changes each
time the switch is pressed.)
WARNING
■Stopping the engine in an emergency
If you want to stop the engine in an emer-
gency while driving the vehicle, press
and hold the engine switch for more than
2 seconds, or press it briefly 3 times or
more in succession. ( P.276)
However, do not touch the engine switch
while driving except in an emergency.
Turning the engine off while driving will
not cause loss of steering or braking con-
trol, but the power assist to these systems
will be lost. This will make it more difficult
to steer and brake, so you should pull
over and stop the vehicle as soon as it is
safe to do so.
■When parking
Exhaust gases include harmful carbon
monoxide (CO), which is colorless and
odorless. Observe the following precau-
tions.
Failure to do so may cause exhaust gases
to enter the vehicle and may lead to an
accident caused by light-headedness, or
may lead to death or a serious health
hazard.
●If the vehicle is in a poorly ventilated
area or a closed area, such as a
garage, stop the engine.
●Do not leave the vehicle with the
engine running for a long time. If such
a situation cannot be avoided, park the
vehicle in an open space and ensure
that exhaust fumes do not enter the
vehicle interior.
●Do not leave the engine running in an
area with snow build-up, or where it is
snowing. If snowbanks build up around
the vehicle while the engine is running,
exhaust gases may collect and enter
the vehicle.
Changing engine switch modes

1284-2. Driving procedures
1Off*
The emergency flashers can be used.
2ACCESSORY mode
Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
meters.
3IGNITION ON mode
All electrical components can be used.
“IGNITION ON” will be displayed on the
meters.
*: If the shift lever is in a position other than P when turning off the engine, the
engine switch will be turned to ACCES-
SORY mode, not to off.
■Auto power off function
If the vehicle is left in ACCESSORY mode
for more than 20 minutes or IGNITION
ON mode (with the engine not running) for
more than an hour with the shift lever in P,
the engine switch will automatically turn off.
However, this function cannot entirely pre-
vent battery discharge. Do not leave the
vehicle with the engine switch in ACCES- SORY or IGNITION ON mode for long
periods of time when the engine is not run-
ning.
If the engine is stopped with the shift
lever in a position other than P, the
engine switch will not be turned off but
instead be turned
to ACCESSORY
mode. Perform the following proce-
dure to turn the switch off:
1
Check that the parking brake is set.
2
Shift the shift lever to P.
3
Check that “Turn Off Vehicle” is
displayed on the multi-information
display and then press the engine
switch once.
4
Check that “Turn Off Vehicle” on
the multi-information display is off.
NOTICE
■To prevent battery discharge
●Do not leave the engine switch in
ACCESSORY or IGNITION ON
mode for long periods of time without
the engine running.
●If “ACCESSORY” or “IGNITION
ON” is displayed on the meters while
the engine is not running, the engine
switch is not off. Exit the vehicle after
turning the engine switch off.
When stopping the engine with
the shift lever in a position other
than P

1304-2. Driving procedures
position, downshifting to 5 or 4. (P.131)
●8-speed models: While driving in the D
position, downshifting to 7, 6, 5 or 4.
( P.131)
●When switching the driving mode to
sport mode while driving in the D posi-
tion. ( P.192)
■Restraining sudden start (Drive-Start
Control)
 P.117
■AI-SHIFT
●The AI-SHIFT automatically selects the
suitable gear accordin g to driver perfor-
mance and driving conditions.
The AI-SHIFT automatically operates
when the shift lever is in D. (Shifting the
shift lever to the M position cancels the
function.)
●8-speed models: G AI-SHIFT automati-
cally selects a suitable gear for sporty
driving according to driver’s input and
driving conditions. G AI-SHIFT operates
automatically when the shift lever is in D
and sport mode is sele cted for the driving
mode. (Selecting normal mode with the
driving mode select switch or shifting the
shift lever to the M po sition cancels this
function.)
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.
■Shift lock system
The shift lock system is a system to prevent
accidental operation of the shift lever in
starting.
The shift lever can be shifted from P only
when the engine swit ch is in IGNITION
ON mode and the brake pedal is being
depressed.
■If the shift lever cannot be shifted from P
First, check whether the brake pedal is
being depressed.
If the shift lever cannot be shifted with your
foot on the brake pedal, there may be a
problem with the shift lock system. Have the
vehicle inspected by your Lexus dealer
immediately.
The following steps may be used as an
WARNING
■When driving on slippery road sur-
faces
Be careful of downshifting and sudden
acceleration, as this could result in the
vehicle skidding to the side or spinning.
Shifting the shift lever

1314-2. Driving procedures
4
Driving
emergency measure to ensure that the shift
lever can be shifted.
Releasing the shift lock:
1
Set the parking brake.
2
Turn the engine switch to off.
3
Depress the brake pedal.
4
Pry the cover up with a flathead screw-
driver or equivalent tool.
To prevent damage to the cover, cover the
tip of the screwd river with a rag.
5
Press the shift lock override button.
The shift lever can be shifted while the but-
ton is pressed.
■Sport mode/Eco drive mode
 P.192
■Snow mode
Snow mode can be se lected to suit the
conditions when driving on slippery
road surfaces, such as snow.
Press the switch.
Press the switch again to return to normal
mode.
■Snow mode automatic deactivation
Snow mode is automatically deactivated if
the engine switch is turned off after driving
in snow mode.
To drive using temporary shift range
selection, operate the “-” or “+” paddle
shift switch.
When the “-” paddle shift switch is
operated, the shift range will be down-
shifted to a range that enables engine
braking force that is suitable to driving
conditions. When the “+” paddle shift
switch is operated, the shift range will
be one gear higher than the gear in use
during normal D position driving.
WARNING
■To prevent an accident when releas-
ing the shift lock
Before pressing the shift lock override
button, make sure to set the parking
brake and depress the brake pedal.
If the accelerator pe dal is accidentally
depressed instead of the brake pedal
when the shift lock override button is
pressed and the shift lever is shifted out
of P, the vehicle may suddenly start, pos-
sibly leading to an accident resulting in
death or serious injury.
Selecting the driving mode
Selecting shift ranges in the D
position

1354-2. Driving procedures
4
Driving
To set the parking brake, fully depress
the parking brake pedal with your left
foot while depressing the brake pedal
with your right foot.
(Depressing the pedal again releases
the parking brake.)U.S.A.
Canada
■Parking the vehicle
 P.116
■Parking brake engaged warning buzzer
A buzzer will sound if the vehicle is driven
with the parking brake engaged. “Release
Parking Brake” is displayed on the
multi-information display.
■Usage in winter time
 P.199
*: If equipped
1Louder
2
Lower
The indicator comes on when the ASC
system is on.
When the dial is turned to the lowest
volume, the ASC system will be turned
off and the indicator will go off.
Parking brake
Operating instructions
NOTICE
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking
brake set will lead to brake components
overheating, which may affect braking
performance and increase brake wear.
A
B
ASC (Active Sound Con-
trol)*
The ASC system is an electronic
sound system that generates
engine sound, conveying the
kinetic situations of the vehicle’s
acceleration and deceleration to
the driver through the speakers
inside the instrument panel.
The vehicle’s response to the
driver’s acceleration behavior and
shift operations are also conveyed
in sound.
When sport mode is selected, the
sound conveyed to the driver will be
louder.
Controlling volume

1374-3. Operating the lights and wipers
4
Driving
4-3.Operating the lights and wipers
Operating the switch turns on
the lights as follows:U.S.A.
Canada
1 The side marker, parking, tail,
license plate, instrument panel
lights, and daytime running lights
( P.137) turn on.
2 The headlights and all lights
listed above (except daytime run-
ning lights) turn on.
3 The headlights, daytime run-
ning lights ( P.137) and all the lights listed above turn on and off
automatically. (When the engine
switch is in IGNITION ON mode.)
4 (U.S.A.) Off / (Canada)
The daytime running lights turn on.
( P.137)■Daytime running light system
●The daytime running lights illuminate
using the same lights as the parking lights
and illuminate brighter than the parking
lights.
●To make your vehicle more visible to
other drivers during daytime driving, the
daytime running lights turn on automati-
cally when all of the following conditions
are met. (The daytime running lights are
not designed for use at night.)
• The engine is running
• The parking brake is released
• The headlight switch is in the (Can-
ada only), or
* position
*: When the surroundings are bright
The daytime running lights remain on after
they illuminate, even if the parking brake is
set again.
●For the U.S.A.: Daytime running lights
can be turned off by operating the switch.
●Compared to turning on the headlights,
the daytime running light system offers
greater durability and consumes less
electricity, so it can help improve fuel
economy.
■Headlight control sensor
The sensor may not function properly if an
object is placed on the sensor, or anything
Headlight switch
The headlights can be operated
manually or automatically.
Operating instructions
A
B

1564-5. Using the driving support systems
■Pre-collision warning
When the system determines that the
possibility of a frontal collision is high, a
buzzer will sound and a warning mes-
sage will be displayed on the
multi-information display to urge the
driver to take evasive action.
■Pre-collision brake assist
When the system determines that the
possibility of a frontal collision is high,
the system applies greater braking
force in relation to how strongly the
brake pedal is depressed.
■Pre-collision braking
When the system determines that the
possibility of a frontal collision is high,
the system warns the driver. If the sys-
tem determines that the possibility of a
frontal collision is extremely high, the
brakes are automatically applied to
help avoid the collision or reduce the
collision speed.
■Suspension control (if equipped)
When the system determines that the
possibility of a frontal collision is high,
the Adaptive Variable Suspension Sys-
tem ( P.194) will control the damping
force of the shock absorbers to help
maintain an appropriate vehicle pos-
ture.
■Steering control (if equipped)
When the system determines that the
possibility of a frontal collision is high
and the driver is op erating the steering
wheel, the LDH system ( P.195) will
control the turning angle of the front
PCS (Pre-Collision System)
The pre-collision system uses a
radar sensor and camera sensor to
detect vehicles and pedestrians in
front of your vehicle. When the sys-
tem determines that the possibility
of a frontal collision with a vehicle
or pedestrian is high, a warning
operates to urge the driver to take
evasive action and the potential
brake pressure is increased to help
the driver avoid the collision. If the
system determines that the possi-
bility of a frontal collision with a
vehicle or pedestrian is extremely
high, the brakes are automatically
applied to help avoid the collision or
help reduce the impact of the colli-
sion.
The pre-collision system can be dis-
abled/enabled and the warning tim-
ing can be changed. ( P.158)
System functions

1574-5. Using the driving support systems
4
Driving
and rear wheels and effort necessary
to turn the steering wheel to help
enhance steering responsiveness.
WARNING
■Limitations of the pre-collision system
●The driver is solely responsible for safe
driving. Always drive safely, taking
care to observe your surroundings.
Do not use the pre-collision system
instead of normal braking operations
under any circumstances. This system
will not prevent collisions or lessen col-
lision damage or injury in every situa-
tion. Do not overly rely on this system.
Failure to do so may lead to an acci-
dent, resulting in death or serious
injury.
●Although this system is designed to
help avoid a collision or help reduce
the impact of the collision, its effective-
ness may change according to various
conditions, therefore the system may
not always be able to achieve the same
level of performance.
Read the following conditions care-
fully. Do not overly rely on this system
and always drive carefully.
• Conditions under which the system may operate even if there is no possi-
bility of a collision:
P.159
• Conditions under which the system may not operate properly:
P.161
●Do not attempt to test the operation of
the pre-collision system yourself.
Depending on the objects used for
testing (dummies, cardboard objects
imitating detectable objects, etc.), the
system may not operate properly, pos-
sibly leading to an accident.
■Pre-collision braking
●When the pre-collision braking func-
tion is operating, a large amount of
braking force will be applied.
●If the vehicle is stopped by the opera-
tion of the pre-collision braking func-
tion, the pre-collision braking function
operation will be canceled after
approximately 2 seco nds. Depress the
brake pedal as necessary.
●The pre-collision braking function may
not operate if certain operations are
performed by the driver. If the acceler-
ator pedal is being depressed strongly
or the steering wheel is being turned,
the system may determine that the
driver is taking evasive action and pos-
sibly prevent the pre-collision braking
function from operating.
●In some situations, while the pre-colli-
sion braking function is operating,
operation of the function may be can-
celed if the accelerator pedal is
depressed strongly or the steering
wheel is turned and the system deter-
mines that the driver is taking evasive
action.
●If the brake pedal is being depressed,
the system may determine that the
driver is taking evasive action and pos-
sibly delay the operat ion timing of the
pre-collision braking function.
■When to disable the pre-collision sys-
tem
In the following situations, disable the
system, as it may not operate properly,
possibly leading to an accident resulting
in death or serious injury:
●When the vehicle is being towed
●When your vehicle is towing another
vehicle
●When transporting the vehicle via
truck, boat, train or similar means of
transportation
●When the vehicle is raised on a lift with
the engine running and the tires are
allowed to rotate freely