2017 LEXUS RX200T steering

3204-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 3 m (9.8 ft.) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more than approximately 150 m (492 ft.).
• No system malfunctions are detected. ( P. 666)
●Lane departure control function
This function operates when all of the follo wing conditions are met in addition to the
operation conditions for the la ne departure alert function.
• Setting for “Steering Assist” in of the multi-information display is set to “On”.
(  P. 110)
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS are not operating.
• TRC or VSC is not turned off.
• Except for Israel: Hands off steerin g wheel alert is not displayed. (P. 321)
●Vehicle sway warning
This function operates when all of the following conditions are met.
• Setting for “Sway Warning” in of the multi-information display is set to “On”.
(  P. 110)
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• Width of traffic lane is approximately 3 m (9.8 ft.) or more.
• No system malfunctions are detected. ( P. 666)
●Lane-keeping assist function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Setting for “Lane Center” in of the mu lti-information display are set to “On”.
(  P. 110)
• System recognizes white (yellow) lines.
• Dynamic radar cruise control with full-speed range is operating.
• Width of traffic lane is approximately 2.5 to 4.1 m (8.2 to 13.5 ft.).
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 200 m (656 ft.).
• No system malfunctions are detected. ( P. 666)
• Vehicle does not accelerate or de celerate by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS are not operating.
• TRC or VSC is not turned off.
• Except for Israel: Hands off steering wheel alert ( P. 321) is not displayed.
• Lane departure control function is not operating.

3214-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
■Temporary cancellation of functions
When operation conditions are no longer met, a function may be temporarily canceled. However, when the operation conditions are met again, operation of the function is auto-
matically restored. ( P. 320)
■Lane departure control function/lane-keeping assist function
Depending on the vehicle speed, lane departure situation, road conditions, etc., the
operation of the functions may not be reco gnized or the functions may not operate.
■Lane departure alert function
The warning buzzer may be difficult to hear due to external noise, audio playback, etc.
Also, it may be difficult to feel steering wh eel vibrations due to the road conditions, etc.
■Hands off steering wheel alert
Except for Israel: When the system determines that the driver has removed their hands
from the steering wheel while the lane departure control function or lane-keeping assist function is operating, a warning message is displayed on the multi-information display. If the driver continues to keep their hands off of the steering wheel, the buzzer sounds, a
warning message is displayed and the function is temporarily canceled. This alert also operates in the same way when the vehicle is driven with the steering wheel lightlygripped. However, depending on the road conditions, etc., the function may not cancel.
For Israel: When the system determines that the driver has removed their hands from the steering wheel while the lane departure contro l function or lane-keeping assist function is operating, a warning message is displaye d on the multi-information display and the
buzzer sounds.
■White (yellow) lines are only on one side of road
The LKA system will not operate for the side on which white (yellow) lines could not be
recognized.

3404-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
●Motorcycles traveling in the same lane
●When water or snow thrown up by the surrounding vehicles hinders the detecting of the sensor
■Conditions under which the vehicle-to-vehicle distance control mode may not function
correctly
In the case of the following conditions, op erate the brake pedal (or accelerator pedal, depending on the situation) as necessary.
As the sensor may not be able to correctly detect vehicles ahead, the system may not operate properly.
●When the vehicle ahead of you decelerates suddenly
●When your vehicle is pointing upwards(caused by a heavy load in the luggage com-
partment, etc.)
●Preceding vehicle has an extremely high
ground clearance
●When the road curves or when the lanes are narrow
●When steering wheel operation or your posi-tion in the lane is unstable

3494-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
■Operating conditions
●The Stop & Start system is operational when all of the following conditions are met:
• The brake pedal is being depressed firmly. (Except when the vehicle comes to a controlled stop while driving with the dyna mic radar cruise control with full-speed
range in vehicle-to-vehicle distance control mode [if equipped])
• The shift lever is in D or M.
• is off.
• The driver's seat belt is fastened.
• The engine is adequately warmed up.
• The driver's door is closed.
• The accelerator pedal is not being depressed.
• The outside temperature is -5°C (23°F) or higher.
• The hood is closed.
●In the following situations the engine may not be stopped by the Stop & Start system.
This is not a malfunction of the Stop & Start system.
• The air conditioning system is being used when the ambient temperature is high or
low.
• The battery is not sufficiently charged, such as if the vehicle has been parked for a long time and the battery charge has decreased, the electric load is large, the bat-
tery temperature is excessively low or the battery has deteriorated, or is undergoing
a periodic recharge.
• The brake booster vacuum is low.
• The vehicle is stoppe d on a steep incline.
• The steering wheel is being operated.
• Due to traffic or other circumstances the vehicle is being stopped repeatedly.
• The vehicle is being driven in a high altitude area.
• Engine coolant temperature or transmissi on fluid temperature is extremely low or
high.
• The battery fluid temperature is extremely low or high.
• For a while after the battery terminals have been disconnected and reconnected.
• For a while after the battery replacement.
●In the following situations, the engine will re start automatically if the engine is stopped
by the Stop & Start system. (To enable stoppi ng of the engine by the Stop & Start sys-
tem, drive the vehicle.)
• The air conditioning system is turned on.
• is turned on.
• The steering wheel is operated.
• The shift lever is shifted to a position other than D or M.
• The driver's seat belt is unfastened.
• The driver's door is opened.
• The accelerator pedal is depressed.
• The Stop & Start cancel switch is pressed.
• The vehicle starts to roll on an incline.

3524-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
■Multi-information display messages
If the following situations, and a message may be displayed on the multi-information
display.
●When the engine cannot be stopped by the Stop & Start system
MessageDetails
“Depress Brake
Firmly to Activate”
The brake pedal is not depressed enough.
If the brake pedal is depressed further, the system
will operate.
“For Climate Control”
• The air conditioning system is being used when the ambient temperature is high or low.
If the difference between the set temperature and
cabin temperature is small, the system will be
enabled.
• is ON.
“Battery Charging”
• The battery charge amount may be low. Engine stop is temporarily prohibited to prioritize
charging of the battery, but if the engine is operated
for a short while, engine stop is allowed.
• A refresh charge may be occurring, such as when the battery is undergoing a periodic recharge, for a
while after the battery terminals have been discon-
nected and reconnected, for a while after the bat-
tery has been replaced, etc.
After a refresh charge of approximately 5 to 60 min-
utes completes, the system can be operated.
• If the message is displayed continuously (more than 60 minutes), the battery may be deteriorated. Con-
tact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional for
details.
“For Brake System”
• The vehicle is being driven in a high altitude area.
• The brake booster vacuum is low. When the brake booster vacuum reaches a prede-
termined level, the system will be enabled.
“Steering Wheel
Turned”
The steering wheel has been operated.
“Driver Seat Belt
Unbuckled”
The driver seat belt is not fastened.
“Stop & Start Unavail-
able”
• The Stop & Start system is temporarily disabled. Operate the engine for a short while.
• The engine may have been started with the hood open.
Close the hood, turn the engine switch off, wait for
30 seconds or more, and then start the engine.

3534-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
●When the engine automatically restarts while stopped by the Stop & Start system
■If “Stop & Start System Malfunction Visit Your Dealer” is displayed on the multi-infor-
mation display
The system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
■If the Stop & Start cancel indicator continues to flash
The system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
“System Temperature
Low”
The battery may be cold. Operate the engine for a short while allows the sys-
tem to recover due to the temperature increase in
the engine compartment.
“System Temperature
High”
The battery may be extremely hot. If the engine compartment is allowed to cool suffi-
ciently, the system will recover.
“Non-Dedicated Bat-
tery”
A non-dedicated battery for the Stop & Start system
may have been installed. The Stop & Start system does not operate. Have the
vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped pro-
fessional.
MessageDetails
MessageDetails
“For Climate Control”
• The air conditioning system has been turned on or is being used.
• has been turned on.
“For Brake System”
The brake pedal has been depressed further or
pumped. The system will be enabled after the engine runs and
the brake booster vacuum reaches a predetermined
level.
“Battery Charging”
The battery charge may have become low. The engine is restarted to prioritize battery charging.
Operating the engine for a short while allows the
system to recover.
“Steering Wheel
Turned”
The steering wheel was operated.
“Driver Seat Belt
Unbuckled”
The driver seat belt has been unfastened.

4024-5. Using the driving support systems
RX350/RX200t_EE_OM48F32E
■Screen display
The parking assist monitor screen will be displayed if the shift position is
shifted to R while the engine switch is in IGNITION ON mode.
Lexus parking assist-sensor
(if equipped)
A simplified image is displayed on the upper part of the screen when anobstacle is detected.
■Using the system
Use any of the following modes.
●Estimated course line display mode ( P. 404)
Estimated course lines are dis-
played which move in accor-
dance with the operation of the
steering wheel.
Using the Lexus parking assist monitor

4034-5. Using the driving support systems
4
Driving
RX350/RX200t_EE_OM48F32E
●Parking assist guide line display mode (P. 406)
The steering wheel return points
(parking assist guide lines) are
displayed.
●Distance guide line display mode
Distance guide lines only are dis-
played.
When the shift lever is in any position other than R, the display mode can be
changed in the following procedure.
Press the “MENU” button on the Lexus Display Audio controller, and then
select “Setup” on the screen.
Select “Vehicle”, and then select “Back camera guide line setting” on the
screen.
Select the desired display mode.
Estimated course line display
mode ( P. 404)
Parking assist guide line display
mode ( P. 406)
Distance guide line display mode
Distance guide lines only are dis-
played.
Switching the display mode
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