2006 Lexus IS250 steering wheel

253
4-2. Maintenance
4
Maintenance and care
Vehicle exterior
ItemsCheck points
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?
ItemsCheck points
Door/trunk• Operate smoothly?
Engine hood• The lock system works properly?
Fluid leaks• Is there any leakage after parking?
Ti r e
• Inflation pressure is correct?
• Tire surfaces not worn or dam-aged?
• Tires rotated according to the maintenance schedule?
• Wheel nuts are not loose?
CAUTION
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

318
5-1. Essential information
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your transmission. Contact
your Lexus dealer before towing.
● The engine is running, but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available, in an emergency your vehicle may be tem-
porarily towed using a cable or chain secured to the emergency towing
eyelet(s). This should only attempted on hard, surfaced roads for short
distances at low speeds.
A driver must be in the vehicle to s teer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steering and brakes must be in good condi-
tion.
Towing eyelets
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing se rvice, using a lift-type truck or a flat
bed truck.
Use a safety chain system for all towi ng, and abide by all state/provincial
and local laws.
If towing from the rear, the vehicle’s front wheels and axles must be in good
condition. ( P. 322)
If they are damaged, use a to wing dolly or flat bed truck.

5
When trouble arises
319
5-1. Essential information
■Emergency towing procedureRelease the parking brake.
Put the transmission in N.
Put the engine switch in the ACC mode (engine off) or the IG-ON mode
(engine running).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelets and the cables or chains.
●If the engine is not running, the power assi st for the brakes and steering will not
function, making steering and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
(for vehicles with an automatic transmission)
Never tow this vehicle from the front with the rear wheels on the ground.
This may cause serious dama ge to the transmission.
■When towing a vehicle without using a towing dolly
(for vehicles with a manual transmission)
The engine switch must not be OFF.
STEP1
STEP2
STEP3

5
When trouble arises
323
5-1. Essential information
Switch to ACC mode so that the
steering wheel is unlocked.
From the rear (2WD models) Use a towing dolly under the front
wheel.
From the rear (AWD models)
NOTICE
■To prevent damaging the vehicle
●Do not tow the vehicle with the engine switch OFF.
The steering lock mechanism is not st rong enough to hold the front wheel
straight.
●When raising the vehicle, ensure adequate ground clearance for towing at the
opposite end of the raised vehicle. Wi thout adequate clearance, the vehicle
could be damaged while being towed.

5
When trouble arises
327
5-1. Essential information
Event data recorder
In a crash or a near car crash eventThe EDR may record some or all of the following information.
● Engine speed
● Whether the brake pedal was applied or not
● Vehicle speed
● To what extent the accelerator pedal was depressed
● Position of the transmission shift lever
● Whether the driver and front passenger wore seat belts or not
● Driver's seat position
● SRS airbag deployment data
● SRS airbag system diagnostic data
If your vehicles is equipped with a vehicle stability control (VSC) system
Your Lexus’ Electronic Control U nit (ECU) may contain another EDR.
There are a variety of driving situati ons which include activating the VSC
under which the VSC EDR will reco rd certain information. The VSC
EDR may record some or all of the following information:
● Behavior of the vehicle
● Steering wheel angle
● Vehicle speed
Your vehicle has computers that monitor and control certain aspects of
your vehicle. These computers assist in driving and maintaining optimal
vehicle performance.
Besides storing data usef ul for troubleshooting, there is an event data
recorder (EDR) that records data in a crash or a near car crash event.

5
When trouble arises
347
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once
(For vehicles with an
automatic transmission)
Indicates that a
door has been
opened or closed
and the engine
switch has been
switched twice to
ACC mode from
OFF.
Press the engine
switch while
applying the
brakes.
Once
(For vehicles with a
manual transmission)
Indicates that a
door has been
opened or closed
and the engine
switch has been
switched twice to
ACC mode from
OFF.
Press the engine
switch while
depressing the
clutch pedal.
Once
(Flashing)
Indicates that the
steering lock has
not released
within 3 seconds
of pressing the
engine switch.Press the engine
switch again while
turning the steer-
ing wheel with the
brake pedal
depressed.

378
6-1. Specifications
Steering
Tires and wheelsTy p e A
Free playLess than 1.2 in. (30 mm)
Ti r e s i z e205/55R16 89W, T125/70D17 98M
(spare)
Front and rear tire inflation pres-
sure
(Recommended cold tire inflation
pressure)
Driving under normal conditions Front tires:
35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear tires:
38 psi (260 kPa, 2.6 kgf/cm
2 or bar)
Driving at high speeds above 100 mph (160
km/h) (in countries where such speeds are per-
mitted by law) Add 5.8 psi (40 kPa, 0.4 kgf/cm
2 or bar) to
the front tires and rear tires. Never exceed the
maximum cold tire inflation pressure indicated
on the tire sidewall.
Spare tire inflation pressure
(Recommended cold tire inflation
pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar, )
Wheel size16  7JJ, 17  4T (spare)
Wheel nut torque10.5 kgf•m (103 N•m, 76 ft•lbf)

404
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........ 162
ABS (Anti-lock brake system) ......... 139
Air conditioning filter ........................... 291
Air conditioning system (A/C)Air conditioning filter ......................... 291
Automatic air conditioning system .................................................... 162
Airbags Airbag operating conditions........... 59
Airbag precautions for your child.......................................................... 63
Airbag warning light ........................330
Curtain shield airbag operating conditions.............................................. 59
Curtain shield airbag
precautions .......................................... 63
General airbag precautions ........... 63
Locations of airbags............................ 57
Modification and disposal of airbags .................................................... 67
Proper driving po sture ............. 55, 63
Side airbag operating conditions.............................................. 59
Side airbag precautions .................... 63
SRS airbags ............................................. 57
Alarm ............................................................ 52
Antenna ..................................................... 178
Anti-lock brake system (ABS) ......... 139
Armrest ..................................................... 224
Ashtrays ......................................................217
Audio system Antenna ............................................... 178
AUX adapter........................................ 198
CD player/changer ............................ 181
MP3/WMA disc .................................187
Optimal use........................................... 195 Radio ......................................................... 174
Steering wheel audio switch.......... 199
Automatic air conditioning system ......................................................162
Automatic headlight leveling system ....................................................... 115
Automatic light control system.......... 113
Automatic transmission Automatic transmission ..................... 92
If the shift lever cannot be shifted from P....................................357
S mode .......................................................94
AUX adapter .......................................... 198
BA (Brake assist) ....................................139
Back-up lights Wattage ................................................. 383
Battery Checking..................................................271
If the vehicle has discharged battery ..................................................362
Preparing and checking before winter........................................151
Bottle holders......................................... 209
Brake Fluid ...........................................................270
Parking brake..........................................99
Brake assist (BA) ....................................139
Care Exterior ....................................................244
Interior......................................................246
Seat belts ................................................ 247
Cargo capacity........................................ 147
Cargo hooks .......................................... 230
CD changer ............................................... 181A
B
C