2006 Lexus IS250 steering wheel

220
3-5. Other interior features
■Changing the settings
Each item is displayed and its setting can be changed only in the following condi-
tions:
Lexus parking assist-sensor: When the engine switch is in IG-ON mode.
Items other than the above: When the engine switch is in IG-ON mode and the
vehicle is stopped.
■Display
The display will return to the original disp lay if the satellite switches are not oper-
ated for an extended period.
Even if the display is in satellite switch mo de, it will switch in the event of a warning
or when the radar cruise control is used. If this occurs, press any of the satellite
switches or DISP switch on the steering wheel to return the display to satellite
switch mode.

257
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.

322
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. 3 2 6 )
If they are damaged, use a to wing dolly or flat bed truck.

5
When trouble arises
323
5-1. Essential information
■Emergency towing procedureRelease the parking brake.
Put the transmission in N.
Put the engine switch in ACC mode (engine off) or 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
327
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
331
5-1. Essential information
Event data recorder
In a crash or a near car crash eventThe SRS airbag sensor assembly cont ains the EDR. In a crash or a near
car crash event, this devic e may record some or all of the following infor-
mation:
● 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
The VSC Electronic Control Unit (ECU) may contain another EDR. In
case the VSC or Brake Assist system is activated, or the lateral accelera-
tion is beyond a certain valve, this device may record some or all of the
following information:
● Behavior of the vehicle
● Steering wheel angle
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
351
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.

383
6-1. Specifications
6
Vehicle specifications
Steering
Tires and wheelsType 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 torque76 ft•lbf (103 N•m, 10.5 kgf•m)