5
When trouble arises
461
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor
5
When trouble arises
463
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
*: Parking brake engaged warning buzzer:
P. 4 76
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*
•Low brake fluid
• Malfunction in the brake booster system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released the system is operating normally.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar-
ily indicate a malfunction in the system.
5
When trouble arises
477
5-2. Steps to take in an emergency
Indicates that the trunk is
not fully closed. flashes and a
buzzer sounds to indi-
cate that trunk is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Close the trunk.
(Flashing)
(If equipped)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch
OFF and the driver’s
door opened).
Close the moon roof.
Indicates that the parking
brake is still engaged.
flashes and a
buzzer sounds to indi-
cate that the parking
brake is still engaged
(with the vehicle having
reached a speed of 3
mph [5 km/h]).
Release the parking
brake.
Indicates that the washer
fluid level is low.Add washer fluid.
Wa r n i n g m e s s a g eDetailsCorrection procedure
519
6-1. Specifications
6
Vehicle specifications
Automatic Transmission
*: The fluid capacity is provided as a reference. If replacement is necessary, con-tact your Lexus dealer.
Brakes
*1: Minimum pedal clearance when depressed with a force of 110 lbf (490 N, 50kgf) while the engine is running.
*2: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N,30.6 kgf).
Fluid capacity*
IS350 (2WD)
IS350 (AWD)
IS250 (2WD)
IS250 (AWD)
8.3 qt. (7.9 L, 7.0 Imp. qt.)
10.6 qt. (10.0 L, 8.8 Imp. qt.)
7.9 qt. (7.5 L, 6.6 Imp. qt.)
9.9 qt. (9.4 L, 8.3 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
Using automatic transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied by vibra-
tion, and ultimately damage the auto matic transmission of your vehicle.
Pe d a l c l e a r a n c e *1
IS 350
IS 2504.13 in. (105 mm) Min.
4.3 in. (108 mm) Min.
Pedal free play0.04 0.08 in. (1.0 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake pedal travel *27 9 clicks
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
569
Alphabetical index
Back-up lightsWattage ................................................. 525
Battery Checking ............................................... 402
If the vehicle has a discharged battery................................................. 500
Preparing and checking before winter ...................................... 201
Bluetooth
® audio* ...............................270
Bluetooth® phone*............................. 288
Bottle holders ........................................ 329
Brake Fluid ..........................................................400
Parking brake ..........................................151
Brake assist ................................................ 191 Care
Exterior.................................................... 372
Interior ..................................................... 376
Seat belts ................................................ 377
Cargo capacity ........................................197
Cargo hooks.......................................... 350
CD changer* ........................................... 231
CD player* ............................................... 231
Chains ........................................................ 201
Child-protectors ...................................... 49
Child restraint system Booster seats, definition .................... 115
Booster seats, installation ................122
Convertible seats, definition ............ 115
Convertible seats, installation ........ 122
Front passenger occupant classification system ......................... 110
Infant seats, definition .......................... 115
Infant seats, installation ...................... 122
Installing CRS with LATCH anchors ................................................. 120
Installing CRS with seat belts ......... 122
Installing CRS with top straps....... 125
B
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.
C
572
Alphabetical index
Emergency flashersSwitch ...................................................... 454
Engine Compartment .......................................391
Engine switch........................................ 140
Hood....................................................... 388
How to start the engine................... 140
Identification number.......................... 511
If the engine will not start ............... 492
Ignition switch....................................... 140
Overheating.........................................504
Engine compartment cover .............393
Engine coolant Capacity ................................................... 517
Checking ...............................................398
Preparing and checking before winter ......................................201
Engine coolant temperature gauge....................................................... 153
Engine immobilizer system................... 91
Engine oil Capacity ...................................................514
Checking ...............................................395
Preparing and checking before winter ......................................201
EPS ................................................................191
Event data recorder ............................... 22 First-aid kit storage belt .....................350
Floor mat .................................................. 349
Fluid
Brake ....................................................... 400
Washer................................................... 405
Fog lights Switch .......................................................... 171
Wattage ................................................. 525
Footwell lights ..........................................319
Front fog lights Switch .......................................................... 171
Wattage ................................................. 525
Front passenger occupant classification system ............................ 110
Front passenger's seat belt
reminder light ..................................... 465F
581
Alphabetical index
Warning messagesAWD system ........................................474
Engine oil level .................................... 476
Engine oil maintenance.................. 476
Engine oil pressure............................473
Hood ....................................................... 476
Intuitive parking assist ..........474, 476
Moon roof ............................................. 476
Open door ........................................... 476
Parking brake ...................................... 476
Smart access system with push-button start............................480
Steering lock .........................................474
Tire pressure warning system ....................474, 476
Trunk ........................................................ 476
Washer fluid......................................... 476
Washer Checking ............................................... 405
Preparing and checking before winter ...................................... 201
Switch ........................................................ 173
Washing and waxing ...........................372 Weight
Cargo capacity .....................................197
Load limits ............................................ 200
Weight...................................................... 510
Wheels ...................................................... 422
Window glasses ....................................... 81
Window lock switch ................................ 81
Windows Power windows ...................................... 81
Rear window defogger.................... 218
Washer .....................................................173
Windshield wipers..................................173
Windshield wiper de-icer................... 219
Wireless remote control key Replacing the battery....................... 426
WMA disc* .............................................238
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.