Page 6 of 660

TABLE OF CONTENTS6
IS350 AWD/IS350/IS300 AWD/IS300_U
7-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 454
Cleaning and protecting the vehicle interior.................. 458
7-2. Maintenance Maintenance requirements ..............................461
General mainte nance.............. 464
Emission inspection and maintenance (I/M)
programs.................................... 467
7-3. Do-it-yourself maintenance
Do-it-yourself service precautions................................ 468
Hood ............................................... 470
Positioning a floor jack .............. 471
Engine compartment ............... 473
Tires ................................................. 485
Tire inflation pressure .............. 495
Wheels ........................................... 498
Air conditioning filter ...............500
Electronic key battery.............. 502
Checking and replacing fuses.............................................. 504
Light bulbs .................................... 507 8-1. Essential information
Emergency flashers ....................514
If your vehicle has to be stopped in an
emergency ................................. 515
If the vehicle is trapped in rising water ..................................516
8-2. Steps to take in an emergency
If your vehicle needs to be towed ............................................. 517
If you think something is wrong........................................... 523
Fuel pump shut off system.......................................... 524
If a warning light turns on or a warning buzzer
sounds ......................................... 525
If a warning message is displayed .................................... 532
If you have a flat tire .................. 559
If the engine will not start ........ 570
If the electronic key does not operate properly ............. 572
If the vehicle battery is discharged................................. 575
If your vehicle overheats......... 579
If the vehicle becomes stuck .............................................583
7Maintenance and care8When trouble arises
Page 377 of 660
3775-9. Bluetooth® Phone
5
Lexus Display Audio system
IS350 AWD/IS350/IS300 AWD/IS300_U
Press the off-hook switch on the steer-
ing wheel or select .
Press the on-hook 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
Page 379 of 660

3795-9. Bluetooth® Phone
5
Lexus Display Audio system
IS350 AWD/IS350/IS300 AWD/IS300_U
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 on-hook switch on the steering wheel or select .
When a call is interrupted by a third pa rty while talking, an incoming call mes-
sage will be displayed.
To talk with the other party:
Press the off-hook sw itch on the steer-
ing wheel or select .
To refuse the call:
Press the on-hook switch on the steer-
ing wheel or select .
Every time you press the off-hook switch on the steering wheel or select during
call waiting, you will be sw itched 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 depending on your phone company and cellular
phone.
To transfer a call
To hang up
Call waiting
Page 381 of 660

3815-9. Bluetooth® Phone
5
Lexus Display Audio system
IS350 AWD/IS350/IS300 AWD/IS300_U
Move the controller to the left while on the message screen.
Select “Quick Message” to display the “Quick Message” screen.
Select the desired message and then select “Send”.
■Editing a quick message Move the controller to the left while on the message screen.
Select “Quick Message” and move the cursor to the desired message.
Move the controller to the left and select “Edit”.
To return to the default message after editing, select “Default”.
This function is available when the “E-mail Notification Popup” or\
“SMS/MMS
Notification Popup” are set to on. ( P. 384)
“Incoming E-mail Display” or “Inco ming SMS/MMS Display” are set to
“Drop-Down”
When E-mail/ SMS/MMS are received, the incoming message is displayed
on the upper side of the screen with a sound.
“Incoming E-mail Display” or “Incoming SMS/MMS Display” are set to “Full
Screen”
When E-mail/ SMS/MMS are received, th e incoming message screen is dis-
played with a sound and it can be operated on the screen.
Check the message
Refuse to check the message
Call to receive the message
sender’s phone number
Replying to a message
Receiving a message popup function
1
2
3
1
2
3
1
2
3
Page 382 of 660
3825-9. Bluetooth® Phone
IS350 AWD/IS350/IS300 AWD/IS300_U
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 system on
Press and hold: Turns the voice command system off
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular
phone.
Operating a phone using the steering wheel switches
1
2
3
4
Page 438 of 660

4386-5. Using the other interior features
IS350 AWD/IS350/IS300 AWD/IS300_U
Vehicles with a navigation system
The GPS clock's time is automatically
adjusted by utilizing GPS time informa-
tion.
For details, refer to “NAVIGATION
SYSTEM OWNER’S MANUAL”.
The power outlet can be used for 12 V a ccessories that run on less than 10 A.
Open the lid.
■The power outlet can be used when
The engine switch is in ACCESSORY or IGNITION ON mode.
■When turning the engine switch off
Disconnect electrical devices with charging functions, such as mobile battery packs.
If such devices are left connected, the engine switch may not be turned off normally.
Power outlet
NOTICE
●To avoid the damaging the power outlet, close the power outlet lid when the power
outlet is not in use. Foreign objects or li quids that enter the power outlet may cause a
short circuit.
●To prevent blown fuse, do not use an acce ssory that uses more than 12 V 10 A.
●To prevent battery discharge, do not use the power outlet longer than necessary
when the engine is off.
Page 453 of 660

453
Maintenance and care7
IS350 AWD/IS350/IS300 AWD/IS300_U
7-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 454
Cleaning and protecting the vehicle interior..................458
7-2. Maintenance Maintenance requirements ............................. 461
General maintenance .............. 464
Emission inspection and maintenance (I/M)
programs .................................... 467
7-3. Do-it-yourself maintenance Do-it-yourself service precautions................................468
Hood ............................................... 470
Positioning a floor jack ..............471
Engine compartment ............... 473
Tires .................................................485
Tire inflation pressure............... 495
Wheels ...........................................498
Air conditioning filter .............. 500
Electronic key battery ..............502
Checking and replacing fuses ..............................................504
Light bulbs..................................... 507
Page 468 of 660

468
IS350 AWD/IS350/IS300 AWD/IS300_U7-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct proce-
dure as given in these sections.
ItemsParts and tools
Battery condition
(
P. 482)•Warm water• Baking soda•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 481)• SAE J1703 or FMVSS No.116 DOT 3 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/intercooler
coolant level
( P. 478)
• “Toyota Super Long Life Coolan t” or a similar high quality
ethylene glycol-based non-silicate, non-amine, non-nitrite
and non-borate coolant with long-life hybrid organic acid
technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with 50%
coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Cool ant” is pre-mixed with 55%
coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 475)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 504)• Fuse with same amperage rating as original
Light bulbs
( P. 507)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead sc rewdriver
•Wrench
Radiator, condenser
and intercooler radi-
ator (P. 480)
Tire inflation pres-
sure (P. 495)• Tire pressure gauge• Compressed air source
Washer fluid
( P. 484)• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)