steering Lexus IS250 2015 TIPS FOR THE NAVIGATION SYSTEM / LEXUS 2015 IS250/350 (OM53C50U) Repair Manual

3245-9. Bluetooth® Phone
IS350/250_U (OM53C50U)
Press the switch on the steering
wheel or select .
Press the switch on the steering wheel or select .
■International calls
Depending on the cellular phone in use, re ceived international calls may not be dis-
played correctly.
Receiving a call
When a call is received, the following screen is displayed together with a
sound.
To answer the phone
To refuse a call

3255-9. Bluetooth® Phone
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
Select “Transmit Volume”. To restore default volume, move the controller to the
left on the “Transmit Volume” screen and then select “Default”.
Move the controller to the left and then select “In-call Volume”. You can also
adjust the volume using the steering switches or volume knob.
Select “Mute”.
When using phone services such as an answering service or a bank, you can
store phone numbers and code numbers in the contacts using “p” or “w” symbols
(eg. 056133 w 0123p#1).
Contact including a phone number only
Move the controller to the left and then select “0-9”.
Input the number.
Phone number containing a “p” symbol
When the “p” symbol is dialed in an ou tgoing call, there will be a pause for 2
seconds before the following digits are dialed automatically.
Speaking on the phone
The following screen is displayed when speaking on the phone.
To adjust the call volume
To adjust in call volume
To prevent the other party from hearing your voice
Inputting tones
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2

3265-9. Bluetooth® Phone
IS350/250_U (OM53C50U)
Phone number containing a “w” symbol
When the “w” symbol is dialed in an outgoing call, you need to go to the
“Release Tones” screen to dial the following digits. Move the controller to the
left and then select “Release Tones”.
Select “Handset Mode” to change from a hands-free call to a cellular phone call
or vice versa.
Press the switch on the steering wheel or select .
When a call is interrupted by a third party while talking, an incoming call mes-
sage will be displayed.
To talk with the other party:
Press the switch on the steering
wheel or select .
To refuse the call:
Press the switch on the steering
wheel or select .
Every time you press the switch on the steering wheel or select during call
waiting, you will be switched to the other party.
■Transferring calls
●It is not possible to transfer from hand s-free to the cellular phone while driving.
●If you transfer from the cellular phone to ha nds-free, the hands-free screen will be dis-
played, and you can operate the system using the screen.
●Transfer method and operation may vary according to the cellular phone used.
●For operation of the cellular phone in use, see the phone's manual.
■Call waiting operation
Call waiting operation may differ depend ing on your phone company and cellular
phone.
To transfer a call
To hang up
Call waiting

3295-9. Bluetooth® Phone
5
Lexus Display Audio system
IS350/250_U (OM53C50U)
Volume switch
During an incoming call: Adjusts the
ring tone volume
During speaking on the phone:
Adjusts in call volume
The voice guidance volume cannot be
adjusted using this button.
Off hook switch• Start call
• Receiving
• Phone top screen display
On hook switch • End call
• Refuse call
Talk switch
Press: Turns the voice command sys-
tem on
Press and hold: Turns the voice com-
mand system off
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular
phone.
Operating a telephone usin g the steering wheel switches
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357
Interior features6
IS350/250_U (OM53C50U)
6-1. Using the air conditioning system
Automatic air conditioning system ..........................................358
Heated steering wheel/ seat heaters/
seat ventilators ......................... 366
6-2. Using the interior lights Interior lights list .........................368• Interior lights .......................... 369
• Personal lights ....................... 369
6-3. Using the storage features List of storage features ............ 370• Glove box ................................. 371
• Console box............................. 371
•Cup holders/bottle holders..........................372
Trunk features ............................... 374
6-4. Using the other interior features
Other interior features .............377
• Sun visors .................................377
• Vanity mirrors .........................377
• Clock .........................................377
• Power outlet ........................... 378
• Armrest .................................... 379
• Rear sunshade....................... 379
• Assist grips............................... 381
• Coat hooks .............................. 381
Garage door opener................382
Compass ....................................... 387
LEXUS Enform Safety Connect ......................................390

3666-1. Using the air conditioning system
IS350/250_U (OM53C50U)
Turn the heated steering wheel on/off
The indicator light comes on when the
heated steering wheel is operating.
The heated steering wheel will automat-
ically turn off after about 30 minutes.
Heated steering wheel/seat heaters/seat ventila-
tors


: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
CAUTION
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel or seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (s leeping drugs, cold
remedies, etc.)
●Observe the following precautions to prevent the minor burns or overheating
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat.
●To prevent battery discharge, do not use the functions when the engine is off.
Heated steering wheel

3676-1. Using the air conditioning system
6
Interior features
IS350/250_U (OM53C50U)
●The heated steering wheel can be used when the engine switch is in IGNITION ON
mode.
●The heated steering wheel will automatically turn off after about 30 minutes.
Each time the switch is pressed, the
intensity of the seat heater changes and
the level indicator lights (amber) light
as follows:
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
■The seat heaters can be used when
The engine switch is in IGNITION ON mode.
■Seat heater timer control
To enable seat heater timer control, press and hold the driver and front passenger seat
heater switches at the same time until a buzzer sounds once. If a seat heater is turned on
while seat heater timer control is enabled, the intensity of the seat heater will automati-
cally change from Hi Mid Lo.
The timing of the change in seat heater intensity differs depending on the temperature
inside the cabin, etc. when the seat heater is operating.
To disable seat heater timer control, press and hold the driver and front passenger seat
heater switches at the same time until a buzzer sounds twice.
Each time the switch is pressed, the
intensity of the seat ventilator changes
and the level indicator lights (green)
light as follows:
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
The seat ventilators can be used when the engine switch is in IGNITION ON mode.
Seat heaters
Type A Type B
Seat ventilators

4067-2. Maintenance
IS350/250_U (OM53C50U)
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal should move smoothly (with- out uneven pedal effort or catching).
Automatic transmission
“Park” mechanism• When parked on a slope and the shift lever is in P, isthe vehicle securely stopped?
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance
from the floor? ( P. 5 1 8 )
• Does the brake pedal have the correct amount of
free play? ( P. 5 1 8 )
Brakes
• The vehicle should not pull to one side when the
brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints• Do the head restraints move smoothly and lock
securely?
Indicators/buzzers• Do the indicators and buzzers function properly?
Lights• Do all the lights come on?
Parking brake
• Moves smoothly?
• When parked on a slope and the parking brake is on,is the vehicle securely stopped?
Seat belts•Do the seat belt s operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount of free play?
• There should not be an y strange sounds coming
from the steering wheel.

4467-3. Do-it-yourself maintenance
IS350/250_U (OM53C50U)
■Front turn signal lights (vehicles with discharge headlights) To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 2 fender liner clips.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left side
light bulb.
To take out the lower clip, turn the
head of the clip to unlock it, then
remove it by pulling.
Unfasten the clamp, and pull back
the fender liner.
When unfastening the clamp, wrap
the tip of the screwdriver with tape to
protect the vehicle from damage.
Turn the bulb base counterclock-
wise.
Replacing light bulbs
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2
3

4578-1. Essential information
8
When trouble arises
IS350/250_U (OM53C50U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicle using the following procedure:
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2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more
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CAUTION
■If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heavier to turn. Decelerate as much as possi-
ble before turning off the engine.
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