battery LEXUS RC350 2017 Owner's Manual

2264-3. Operating the lights and wipers
■Automatic headlight leveling system
The level of the headlights is automatically adjusted 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.
■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.
■Customization
Settings (e.g. light sensor se nsitivity) can be changed.
(Customizable features: →P. 673)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than ne cessary when the engine is not running.

2914-5. Using the driving support systems
4
Driving
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 your Lexus
dealer.
Guide lines are not displayed
The trunk is open.
Close the trunk.
If this does not resolve the symptom, have
the vehicle inspected by your Lexus
dealer.
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 malfunction in the signals being output by the steering sensor.Stop the vehicle, and turn the steering
wheel as far as it will go to the left and
right.
If this does not resolve the symptom, have
the vehicle inspected by your Lexus
dealer.
Likely causeSolution

3024-5. Using the driving support systems
■Expert mode (RC F)
When expert mode is selected, it is possible to drive in a more sp orty manner than other
drive modes. Expert mode disables the TRAC and VSC systems but the engine and
brakes may be controlled depending on the vehicle behavior.
■When the message is displayed on the mu lti-information display showing that TRAC
has been disabled even if has not been pressed (RC350/RC300/RC200t)
TRAC and hill-start assist control cannot be operated. Contact your Lexus dealer.
■When the “TRAC OFF” indicator light comes on even if ( ) has not been
pressed (RC F)
TRAC and hill-start assist control cannot be operated. Contact your Lexus dealer.
■VGRS is disabled when
VGRS may stop operating in the following situations.
In this event, the steering wheel may move from its straight forward position, but it will
return when the system restarts.
●When the steering wheel is operated for an extended period of time while the vehicle is
stopped or is moving very slowly
(on vehicles with LDH, DRS is disabled together with VGRS)
●When the steering wheel has been held fully to the left or right
The center position of the steering wheel may change when VGRS is disabled. However,
the position will return to normal after VGRS is reactivated.
■When the battery is disconnected (vehicles with VGRS)
The steering wheel may move from its straight forward position, but this will be corrected
automatically when driving. To select expert mode, press
()
when in SPORT S+ mode.
The “EXPERT” indicator will come on together
with the TRAC OFF and VSC OFF indicators.
To cancel expert mode, press
() or
use the driving mode sele ct switch to select a
driving mode other than SPORT S+ mode.

3284-5. Using the driving support systems
WARNING
■When manually operating the active rear wing
Observe the following precautions before operating 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 contact
with 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 othe r 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 their
clothing, personal belongings or body parts
getting caught. Children especially should be
warned not to touch the active rear wing
while it is be ing operated.

331
4
Driving
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 and vehicles with LDH and 19-inch tires.
●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 th e specified size and brand.
Winter driving tips
Carry out the necessary preparations an d 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 (RC350/RC300/RC200t)
Preparation for winter (RC F)

3435-1. Basic Operations
5
Lexus Display Audio system
■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 see when viewed through sunglasses. Change
your angle of viewing, adjust the display on the “Display” screen ( →P. 354) or remove
your sunglasses.
■Using cellular phones
Interference may be heard through the audi o 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
●CAUTION
USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PROCE-
DURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARD-
OUS RADIATION EXPOSURE.
●CAUTION
THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL
INCREASE EYE HAZARD.
NOTICE
■To prevent Lexus Display Au dio controller malfunction
●Do not allow the Lexus Display Audio controll er to come into contact with food, liq-
uid, stickers or lit cigarettes as doing so may cause it to change color, emit a strange
odor or stop functioning.
●Do not subject the Lexus Display Audio controller to excessive pressure or strong
impact 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.

3775-6. Using an external device
5
Lexus Display Audio system
●“Made for iPod” and “Made for iPhone” mean that an electronic accessory has been
designed to connect specifically to an iPod, or iPhone, respectively, and has been certi-
fied by the developer to meet Apple performance standards.
●Apple is not responsible for the operation of this device or its compliance with safety
and regulatory standards. Please note that the use of this accessory with iPod or iPhone
may affect wireless performance.
●iPhone, iPod, iPod classic, iPod nano and iP od touch are trademarks of Apple Inc., reg-
istered in the U.S. and other countries.
■iPod cover art
●Depending on the iPod and songs in the iPod, iPod cover art may be displayed.
●This function can be changed to on/off. (→P. 359)
●It may take time to display iPod cover art, and the iPod may not be operated while the
cover art display is in process.
■iPod functions
●When an iPod is connected and the audio sour ce is changed to iPod mode, the iPod will
resume play from the same poin t in which it was last used.
●Depending on the iPod that is connected to the system, certain functions may not be
available. If a function is unavailable due to a malfunction (as opposed to a system spec-
ification), disconnecting th e device and reconnecting it may resolve the problem.
●Depending on the iPod, while connected to the system, the iPod cannot be operated
with its own controls. It is necessary to us e the controls of the vehicle’s audio system
instead.
●When the battery level of an iP od is very low, the iPod may not operate. If so, charge the
iPod before use.
●Compatible models ( →P. 379)
■iPod problems
To resolve most problems encountered when using your iPod, disconnect your iPod from
the vehicle iPod connection and reset it. For instructions on how to reset your iPod, refer
to your iPod Owner’s Manual.

397
5
Lexus Display Audio system
5-9. Bluetooth® Phone
Before making a phone call, check the connection status, battery charge, call
area and signal strength. (
→P. 398)
If a Bluetooth
® device cannot be connected, chec k the connection status. If the
device is not connected, either register or reconnect it. (
→P. 387, 390)
To display the screen shown below, press the off-hook switch on the steering
wheel or select “Phone” on the “Menu” screen. Phone name
Bluetooth
® connection status
(→ P. 398)
Displays the call history screen
(→ P. 401)
Displays the favorites screen
(→ P. 401)
Displays the contacts screen
(→ P. 399)
Displays the dial pad screen ( →P. 399)
Displays the message inbox screen ( →P. 405)
Using a Bluetooth® Phone
The hands-free system is a function that allows you to use your cellular phone
without touching it.
This system supports Bluetooth
®. Bluetooth® is a wireless data system that
allows the cellular phone to wirelessly connect to the hands-free system and
make/receive calls.
Phone top screen
1
2
3
4
5
6
7

3985-9. Bluetooth® Phone
◆Phone switch (→P. 407)
◆Microphone
The vehicle’s built-in microphone is
used when talking on the phone.
The person to whom you are speak-
ing to can be heard from the front
speakers.
To use the hands-free system, you
must register your Bluetooth
®
phone in the system. ( →P. 387)
You can check indicators such as signal strength and battery charge on a\
ny
screen. Connection status
Signal strength
Battery charge
Status display
1
2
3
IndicatorsConditions
Connection status
GoodPoorNot connected
(Blue)(Gray)
Signal strength
ExcellentPoor
Battery charge
FullEmpty

4175-11. Bluetooth®
5
Lexus Display Audio system
In other situations
Even though all conceivable measures have been taken, the symptom status does not
change.
The cellular phone is not close enough to this system.
→ Bring the cellular phone closer to this system.
The cellular phone is the most likely cause of the symptom.
→ Turn the cellular phone off, remove and reinstall the battery pack, and then
restart the cellular phone.
→ Enable the cellular phone’s Bluetooth
® connection.
→ Stop the cellular phone’s security software and close all applications.
→ Before using an application installed on the cellular phone, carefully check its
source and how its operation might affect this system.