battery LEXUS RC200T 2017 Owner's Manual

2664-3. Operating the lights and wipers
RC200t_RC F_EE(OM24728E)
■Light reminder buzzer
A buzzer sounds when the engine switch is turned off or turned to ACCESSORY mode and the driver’s door is opened while the lights are turned on.
■Automatic headlight leveling system
The level of the headlights is automatically ad justed according to the number of passen- gers and the loading condition of the vehicle to ensure that the headlights do not inter-
fere with other road users.
■Customization
Settings (e.g. light sensor se nsitivity) can be changed.
(Customizable features: P. 685)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

2884-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
■Operating conditions
●The Stop & Start system is operational when all of the following conditions are met:
• The brake pedal is being depressed firmly.
• The shift lever is in D or P.
• Normal mode or Eco drive mode is selected as the driving mode.
• 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 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.
• Pollen removal mode is turned on.
• is turned on.
• is turned on.
• The steering wheel is operated.
• The shift lever is shifted to M, N or R from D.
• The shift lever is shifted from P.
• Sport mode or snow mode is selected as the driving mode.
• 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.

2894-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
●In the following situations, the engine may restart 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 brake pedal is pumped or strongly depressed. • The air conditioning system is being used.• The battery is not sufficiently charged.
■If the steering wheel is turned shortly after the engine has started
If the steering wheel is turned shortly after the engine has been started by the Stop & Start system, the steering wheel may feel heavy.
■Hood
●If the hood is opened while the engine is stopped by the Stop & Start system with theshift lever in D, the engine w ill stall and will not be able to be restarted by the automatic
engine start function. In this case, restart the engine using the normal engine starting procedure. ( P. 247)
●If the hood is opened while the engine is stopped by the Stop & Start system with the
shift lever in P, the engine will be restarted automatically.
●Even if the hood is closed after the engine is started with the hood open, the Stop & Start system will not operate. Close the hood, turn the engine switch off, wait 30 sec-
onds or more, and then start the engine.
■When to use the Stop & Start system
●Use the Stop & Start system when stopping the vehicle temporarily at red lights, inter-
sections, etc. When stopping the vehicle fo r a longer period of time, stop the engine completely.
●When the system does not operate, is canceled, or is malfunctioning, warning mes-
sages and a warning buzzer are used to inform the driver. ( P. 291)
●If the engine switch is pressed when the engine is stopped by the Stop & Start system,
the engine will stall and will not be able to be restarted by the automatic engine start function. In this case, restart the engine using the normal engine starting procedure. ( P. 247)
●When the engine is restarted by the Stop & Start system, the power outlet may be tem- porarily unusable, but this is not a malfunction.
●Installation and remova l of electrical components and wireless devices may affect the
Stop & Start system. Contact any authoriz ed Lexus retailers or Lexus authorized repairers, or any reliable repairers for details.

2904-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
■If the windshield is fogged up while the engine is stopped by the Stop & Start system
Turn on. (The engine will start due to the automatic engine start function.):
 P. 484
If the windshield fogs up frequently, press the Stop & Start cancel switch to disable the
system.
■Air conditioning system operation while the engine is stopped by the Stop & Start sys-
tem
●If the air conditioning system is being us ed in automatic mode, the fan speed may be
reduced or the fan may be stopped while the engine is stopped by the Stop & Start sys-
tem in order to reduce changes in the cabin temperature.
●To ensure air conditioning system performanc e when the vehicle is stopped, disable the
Stop & Start system by pressing the Stop & Start cancel switch.
■Changing the idling stop time with the air conditioning system on
The length of time the Stop & Start system will operate when the air conditioning system
is on can be changed by performing the followi ng operation. (The length of time the Stop
& Start system will operate when the air condit ioning system is off cannot be changed.)
●Setting by pressing and holding the Stop & Start cancel switch
Each time the Stop & Start cancel switch is pressed and held for 3 seconds or more, the
system changes between standard and extended. The system status can be confirmed
on the multi-information display screen. ( P. 131)
●Settings from the multi-information display
Press the / meter control switch ( P. 133) and select .
Press the meter control switch to display the Stop & Start settings screen.
Press the / meter control switch to select and then press .
Press the / meter control switch to select standard or extended and then press .
■The Stop & Start system protection function
●When the volume of the audio system is ex cessively high, sound output from the audio
system may suddenly be cut of f in order to reduce battery consumption. To prevent the
audio system from being cut off, keep the vo lume of audio system at a moderate level.
If the audio system has been cut off, turn the engine switch off, wait for 3 seconds or
more and then turn it to ACCESSORY mode or IGNITION ON mode to re-enable
the audio system.
●The audio system may not be activated if the battery terminals are disconnected and
then reconnected. If this occurs, turn the engine switch off and then turn it to IGNI-
TION ON mode and then off twice to activate the audio system.
■To prevent damage to the turbocharger
Allow the engine to idle immediately after driv ing at high speeds or long periods of uphill
driving. To allow the engine idle when the vehicle is stopped, disable the Stop & Start sys-
tem by pressing the Stop & Start cancel switch. ( P. 287)
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2914-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
■Replacing the battery
 P. 657
■Displaying the Stop & Start system status
 P. 137
■Multi-information display messages
If the following situations, and a message may be displayed on the multi-informa-
tion 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 sys-
tem will operate.
“For Climate Con-
trol.”
• 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 priori-
tize 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 disconnected and reconnected, for
a while after the battery has been replaced, etc.
After a refresh charge of approximately 5 to 60
minutes completes, the system can be operated.
• The engine may have been started with the
hood opened.
Close the hood, turn the engine switch off, wait
30 seconds or more, and then start the engine.
• The battery may be cold. Operating the engine for a short while allows the
system to recover due to the temperature
increase in the engine compartment.
• The battery may be extremely hot. If the engine compartment is allowed to cool suf-
ficiently, the system recovers.
• If the message is displayed continuously, the battery may have deteriorated. Contact any
authorized Lexus retailers or Lexus authorized
repairers, or any reliable repairers.

2924-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
●When the engine automatically restarts while stopped by the Stop & Start system
■Stop & Start system warning messages
If a system malfunction occu rs, a warning message will be displayed on the multi-infor-
mation display to inform the driver of the need for caution. ( P. 605)
■If the Stop & Start cancel indicator continues to flash
The system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
retailers or Lexus authorized repairers, or any reliable repairers. “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 pre-
determined level, the system will be enabled.
“Driver Seat Belt
Unbuckled.”
The driver seat belt is not fastened.
“Non-Dedicated
Battery.”
A non-dedicated battery for the Stop & Start sys-
tem may have been installed. The Stop & Start system does not operate. Have
the vehicle inspected by any authorized Lexus
retailers or Lexus authorized repairers, or any
reliable repairers.
MessageDetails
MessageDetails
“For Climate Con-
trol.”
• 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 enable d after the engine runs
and the brake booster vacuum reaches a prede-
termined level.
“Battery Charging.”
The battery charge amount may be 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.

3424-5. Using the driving support systems
RC200t_RC F_EE(OM24728E)
The estimated course lines move even though the steering wheel is straight
There is a malfunction in the signals being output by the steering sensor.
Have the vehicle inspected by any autho-rized Lexus dealer or repairer, or another
duly qualified and equipped professional.
 Guide lines are not displayed
The trunk is open.
Close the trunk. If this does not resolve the symptom, havethe vehicle inspected by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
 The estimated course lines are not displayed
• The steering wheel has been moved while the battery was being reinstalled.
• Battery power is low. • The steering sensor has been rein-stalled.
• There is a malfunct ion in the signals being output by the steering sensor.
Stop the vehicle, and turn the steeringwheel as far as it will go to the left and
right. If this does not resolve the symptom, havethe vehicle inspected by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
Likely causeSolution

3814-5. Using the driving support systems
4
Driving
RC200t_RC F_EE(OM24728E)
WARNING
■When manually operating the active rear wing
Observe the following precautions before op erating the active rear wing. Failure to do so may result in death or serious injury.
●Ensure that the surrounding area is free of any objects that may come into contactwith or get caught on the active rear wing.
●If there is a risk that an object may become caught on the active rear wing during
operation, stop operation immediately.
NOTICE
■To prevent system damage
●Do not apply pressure to the active rear wing when pushing or pulling the vehicle.
●Do not lean on the active rear wing.
●Do not attach any accessories or other objects to the active rear wing.
●Do not modify or disassemble the active rear wing.
●Do not subject the active rear wing to severe impact.
■To prevent battery discharge
Do not operate the active rear wing repeatedly while the engine is turned off.
●If there are people near the active rear wing, make sure that there is no possibility of theirclothing, personal belongings or body parts
getting caught. Children especially should be warned not to touch the active rear wingwhile it is being operated.

384
RC200t_RC F_EE(OM24728E)
4-6. Driving tips
●Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
• Washer fluid
●Have a service technician inspect the condition of the battery.
●Have the vehicle fitted with four snow tires or purchase a set of tire chains for
the rear tires.*
Ensure that all tires are the specified size and brand, and that chains match the size of the tires.
*: Tire chains cannot be mounted on vehicles with front and rear tires of differing
sizes.
●Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
• Washer fluid
●Have a service technician inspect the condition of the battery.
●Have the vehicle fitted with four snow tires.
Ensure that all tires are the specified size and the same brand.
●Tire chains can only be installed on the rear tires. However, tire chains cannot
be installed on 275/35ZR19 rear tires.
Before installing tire chains, change all four tires and wheels to those of the
specified size for use with tire chains (front tires: 235/40ZR19, rear tires:
235/40ZR19, wheels: 19 x 8 1/2 J 45 inset). Use the specified type of tire
chains and install them on the rear tires only.
For details, contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
Winter driving tips
Carry out the necessary preparations and inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Preparation for winter (RC200t)
Preparation for winter (RC F)

3955-1. Basic Operations
5
Lexus Display Audio system
RC200t_RC F_EE(OM24728E)
■When using the screen
●Under extremely cold conditions, the Lexus Display Audio controller may react slowly.
●If the screen is cold, the display may be dark, or the system may seem to be operating slightly slower than normal.
●The screen may seem dark and hard to se e when viewed through sunglasses. Change your angle of viewing, adjust the display on the “Display” screen (P. 404) or remove your sunglasses.
■Using cellular phones
Interference may be heard through the audio system's speakers if a cellular phone is being used inside or close to the vehicle while the audio system is operating.
WARNING
■Using the Lexus Display Audio controller
Be careful when touching the Lexus Display Audio controller in extreme temperatures as it may become very hot or cold due to the temperature inside the vehicle.
■Laser product
This product is a class 1 laser product.
Do not open the cover of the player or attempt to repair the unit yourself. Refer servic- ing to qualified personnel.
NOTICE
■To prevent Lexus Display Audio controller malfunction
●Do not allow the Lexus Display Audio controller to come into contact with food, liq-uid, stickers or lit cigarettes as doing so may cause it to change color, emit a strangeodor or stop functioning.
●Do not subject the Lexus Display Audio controller to excessive pressure or strongimpact as the controller may bend or break off.
■To prevent battery discharge
Do not leave the audio system on longer than necessary when the engine is off.
■To avoid damaging the audio system
Take care not to spill drinks or other fluids on the audio system.