2017 LEXUS RC200T brake sensor

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RC200t_RC F_EE(OM24728E)
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4-1. Before driving
Driving the vehicle .....................236
Cargo and luggage ...................245
Trailer towing ...............................246
4-2. Driving procedures
Engine (ignition) switch ........... 247
Automatic transmission...........253
Turn signal lever .........................260
Parking brake ............................... 261
ASC (Active Sound
Control) (RC200t)................ 262
ASC (Active Sound
Control) (RC F) .......................263
4-3. Operating the lights and
wipers
Headlight switch ......................... 264
Automatic High Beam ............. 267
Fog light switch .............................271
Windshield wipers and
washer.......................................... 273
4-4. Refueling
Opening the fuel tank cap....... 281
4-5. Using the driving support
systems
Stop & Start system
(Smart Stop) ............................. 285
Cruise control ............................. 294
Dynamic radar cruise
control..........................................298
LDA
(Lane Departure Alert) ......... 314
Lexus parking
assist-sensor..............................320
Lexus parking assist
monitor ....................................... 330
Driving mode select
switch ...........................................345
Driving assist systems...............349
PCS (Pre-Crash
Safety system)...........................356
BSM (Blind Spot Monitor) .....364
• BSM function .........................370
• RCTA function ...................... 374
Active rear wing ......................... 379
TVD (Torque Vectoring
Differential)................................382
4-6. Driving tips
Winter driving tips .................... 384
4Driving

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4Driving
RC200t_RC F_EE(OM24728E)
4-1. Before driving
Driving the vehicle.....................236
Cargo and luggage ...................245
Trailer towing ............................... 246
4-2. Driving procedures
Engine (ignition) switch ........... 247
Automatic transmission...........253
Turn signal lever .........................260
Parking brake ............................... 261
ASC (Active Sound Control)
(RC200t)................................... 262
ASC (Active Sound Control)
(RC F) .......................................... 263
4-3. Operating the lights and
wipers
Headlight switch ......................... 264
Automatic High Beam ............. 267
Fog light switch .............................271
Windshield wipers and
washer ......................................... 273
4-4. Refueling
Opening the fuel tank cap....... 281
4-5. Using the driving support
systems
Stop & Start system
(Smart Stop)..............................285
Cruise control ............................. 294
Dynamic radar cruise
control .........................................298
LDA
(Lane Departure Alert) ......... 314
Lexus parking
assist-sensor..............................320
Lexus parking assist
monitor........................................330
Driving mode select
switch ........................................... 345
Driving assist systems .............. 349
PCS (Pre-Crash Safety
system) ........................................ 356
BSM
(Blind Spot Monitor) ............. 364
• BSM function ......................... 370
• RCTA function...................... 374
Active rear wing ......................... 379
TVD (Torque Vectoring
Differential)................................382
4-6. Driving tips
Winter driving tips .....................384

2654-3. Operating the lights and wipers
4
Driving
RC200t_RC F_EE(OM24728E)
This system allows the headlights and front position lights to be turned on for 30
seconds when the engine switch is off.
Pull the lever toward you and release it
with the light switch is in after turn-
ing the engine switch off.
Pull the lever toward you and release it again to turn off the lights.
■Daytime running light system
●To make your vehicle more visible to other drivers during daytime driving, the daytime
running lights turn on automatically whenever the engine is started and the parking brake is released with the headlight switch in the “AUTO” position. (Illuminate brighter than the front position lights.) Daytime running lights are not designed for use at night.
●Vehicles with LED front turn signal lights: If a turn signal light is in use, the daytime run- ning light, on the same side, is turned off. For emergency flashers, both are turned off.
■Headlight control sensor
■Automatic light off system
●When the light switch is in or : The headlights and front fog lights turn off auto-
matically if the engine switch is turned to ACCESSORY mode or turned off.
●When the light switch is in : The headlights and all lights turn off automatically if the
engine switch is turned to ACCESSORY mode or turned off.
To turn the lights on again, turn the engine switch to IGNITION ON mode, or turn the
light switch off once and then back to or .
Follow me home system
The sensor may not function properly if an object is placed on the sensor, or anything that
blocks the sensor is affixed to the windshield. Doing so interferes with the sensor detectingthe level of ambient light and may cause the
automatic headlight system to malfunction.

2994-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
This mode employs a radar sensor to detect the presence of vehicles up to
approximately 120 m (400 ft.) ahead, determines the current vehicle-to-vehicle
following distance, and operates to maintain a suitable following distance from
the vehicle ahead.
Note that vehicle-to-vehicle distance will close in when traveling on long downhill slopes.
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver. The desired vehicle-to-vehicle dis- tance can also be set by operating the vehicle-to-vehicle distance control.
Example of deceleration cruising
When a preceding vehicle driving slower than the set speed appears
When a vehicle is detected running ahead of you, the system automatically deceler- ates your vehicle. When a greater reductio n in vehicle speed is necessary, the system applies the brakes (the stop lights will come on at this time). A warning tone warns you
when the system cannot decelerate sufficiently to prevent your vehicle from closing in on the vehicle ahead.
Example of follow-up cruising
When following a preceding vehicle driving slower than the set speed
The system continues follow-up cruising wh ile adjusting for changes in the speed of
the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by the driver.
Example of acceleration
When there are no longer any preceding vehicles driving slower than the set
speed
The system accelerates until the set speed is reached. The system then returns to con- stant speed cruising.
Driving in vehicle-to-veh icle distance control mode
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3114-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
WARNING
■When the sensor may not be correctly detecting the vehicle ahead
In the case of the following and depending on the conditions, operate the brake pedal when deceleration of the system is insufficient or operate the accelerator pedal when
acceleration is required. As the sensor may not be able to correctly detect these types of vehicles, the approachwarning ( P. 303) will not be activated, which may lead to an accident resulting in
death or serious injury.
●Vehicles with small rear ends (trailers with no load on board, etc.)
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving in the same lane
●Motorcycles traveling in the same lane

3124-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
WARNING
■Conditions under which the vehicle-to-vehicle distance control mode may not func- tion correctly
Operate the brake pedal (or accelerator pedal operation depending on the situation)
as necessary in the following conditions as the radar sensor may not be able to cor- rectly detect vehicles ahead, which may lead to an accident resulting in death or seri-ous injury.
●When water or snow thrown up by the surrounding vehicles hinders the detecting ofthe sensor
●When your vehicle is pointing upwards(caused by a heavy load in the trunk, etc.)
●When the road curves or when the lanes arenarrow
●When steering wheel operation or your posi-tion in the lane is unstable
●When the vehicle ahead of you decelerates
suddenly
Accelerate Accelerate Decelerate

3274-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
■Lexus parking assist-sensor display
When an obstacle is detected while the Lexus pa rking assist monitor system is in use, the warning indicator will appe ar in the top right of the screen even if the display setting has
been set to off.
■If a message is displayed on the multi-information display
 P. 600
WARNING
■When using the Lexus parking assist-sensor
Observe the following precautions. Failing to do so may result in the vehicle be ing unable to be driven safely and possibly cause an accident.
●Do not use the sensor at speeds in excess of 10 km/h (6 mph).
●The sensors’ detection areas and reaction times are limited. When moving forward or reversing, check the areas surrounding the vehicle (especially the sides of the vehi-
cle) for safety, and drive slowly, using the brake to control the vehicle’s speed.
●Do not install accessories within the sensors’ detection areas.
■Limitations of the sensors
●RC200t: The detection areas of the sensors are limited to the areas around the vehi- cle’s front and rear bumpers.
●RC F: The detection areas of the sensors are limited to the areas around the vehicle’s
front corners and the rear bumpers.
●Certain vehicle conditions and surrounding environments, such as the following, may affect the ability of the sensors to correctly detect objects. Pay particular attention in
the following situations. Failure to do so may result in the vehicle being driven unsafely, possibly leading to an accident.
• When there is dirt, snow or ice on a sens or (Cleaning the sensor will resolve this
problem.) • When the sensor is frozen (Thawing the area will resolve this problem.)In especially cold weather, if a sensor is frozen the screen may show an abnormal
display, or objects may not be detected • When a sensor is covered in any way• When the vehicle is leaning considerably to one side
• When driving on an extremely bumpy road, incline, gravel, or grass • When the vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines,air brakes of large vehicles, or other loud noises producing ultrasonic waves
• When there is another vehicle equipped with parking assist sensor in the vicinity • When the sensor is coated with a sheet of spray or heavy rain• When the vehicle is equipped with a fender pole or wireless antenna
• When a towing eyelet is installed • When a bumper or sensor receives a strong impact• When the vehicle is approaching a tall or curved curb
• When driving in harsh sunlight or intense cold weather

3564-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
◆Pre-crash warning
When a high possibility of a frontal
collision is detected, the pre-crash
safety system warning light flashes, a
buzzer sounds and a message is
shown on the multi-information dis-
play to urge the driver to take eva-
sive action.
◆Pre-crash brake assist
When there is a high possibility of a frontal collision, the system applies
greater braking force in relation to how strongly the brake pedal is depressed.
The system may not warn the driver using a warning light, warning display and
buzzer when the system detects and judges braking operations.
◆Pre-crash braking
When there is a high possibility of a frontal collision, the system warns the
driver using a warning ligh t, warning display and buzzer. If the system deter-
mines that a collision is unavoidable, the brakes are automatically applied to
reduce the collision speed.
◆Suspension control (if equipped)
When the system determines that there is a high possibility of a frontal colli-
sion, the operation of Adaptive Variable Suspension System ( P. 350) opti-
mally controls the damping force of the shock absorber.
PCS (Pre-Crash Safety system)
: If equipped
When the radar sensor detects the possibil ity of a frontal collision, brakes are
automatically engaged to lessen im pact as well as vehicle damage.
The pre-crash safety system can be turn ed on and off as necessary by operat-
ing the switch. ( P. 357)