engine Lexus IS250 2006 Do-it-yourself maintenance / LEXUS 2006 IS350/250 QUICK REFERENCE GUIDE

4
Shift paddle switches  P.18
Windshield wipers and
washer switch
P.28
Engine switch P.17
Air conditioning system P.34
Emergency flasher switch P.22
Rear window and outside rear
view mirror defoggers
P.29
Security indicator P.9
Audio system P.31
Glove box P.37
Trunk opener main switch P.44
See P.5.
Cruise control switch
P.24, 25
Distance switch  P.25
ECT switch (automatic transmission)
ETCS switch (manual transmission)P.22
P.23
 : If equipped

Topic 1
Entering and Exiting
7
Keys
■Electronic key
● Locks and unlocks the doors
● Opens the trunk
● Starts and stops the engine
■Mechanical key
● Locks and unlocks the doors
● Opens the trunk
● Locks and unlocks the glove box
The mechanical key is stored inside the electronic
key. To extract the key, release the latch and pull.
■ Wireless remote control
Locks the doors
Unlocks the doors
Opens the trunk
Sounds the alarm
Use the alarm to attract attention to the vehi-
cle in order to help deter break-ins.
(To stop the alarm, push any button on the
wireless remote control.)1
2
3
4
The wireless remote control can also be used to open the windows and moon roof.
To do so, simply press and hold button.

Topic 1
Entering and Exiting
8
Entering and Exiting
When Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing Yo u r L e x u s
Before DrivingBefore Driving
Smart Access System with Push-button Start
■ Entering the vehicle
To unlock the vehicle, simply grasp either of the
front door handles.
■Exiting the vehicle
To lock the vehicle, press the lock button on either
of the front door handles.
■Opening the trunk
To open the trunk, press the trunk release button.
The smart access system with push-button start allows you to enter and exit the vehicle
or start the engine by simply carrying th e electronic key in your pocket or bag.
For details on starting the engine, see page 17.
For details on what to do when the electronic key battery becomes discharged, see page 48.

Topic 1
Entering and Exiting
9
Theft Deterrent System
Engine immobilizer system
The engine immobilizer system prevents the
engine from being started in the event that an
attempt is made to start the vehicle using an
unregistered key.
The security indicator light flashes to indicate that
the system is set.
Alarm
The alarm detects forcible entry and attracts
attention to the vehicle by sounding the horn and
flashing the exterior lights in the event that an
attempt is made to forcibly open the doors, trunk
or hood that have been locked.
When all the doors are locked, the security indi-
cator light comes on to indicate that the alarm is
in its preparation state. The indicator light begins
to flash after approximately 30 seconds to indi-
cate that the system is armed.
Steering lock
The steering wheel locks when the engine switch
is in OFF mode.
The theft deterrent system includes the followi ng features to help protect your vehicle from
theft.
To stop the alarm, start the engine or unlock the doors or trunk using the electronic key or
the wireless remote control. (The alarm will stop after several seconds.)

Topic 2
Before Driving
15
Anti-glare Inside Rear View Mirror
To turn AUTO mode ON/OFF, press the AUTO
button.
The indicator comes on when AUTO mode is
turned ON.
Steering Wheel
■Manually adjustable type
To adjust the steering wheel, press the lever down
and move the steering wheel to the desired posi-
tion. Lock the steering wheel in place by pulling
the lever up.
■Power-adjustable type
Up
Down
Away from the driver
Toward the driver
The anti-glare mirror uses a sensor to detect light from vehicles behind and automatically
reduces glare.
1
2
3
4
The power-adjustable type steering wheel retracts automatically when the engine switch is
turned OFF to allow for easy exit and entry. The steering wheel returns automatically to its
previously set position when the engine switch is switched to ACC or IG-ON mode.

Topic 3
When Driving
17
Starting
■Starting the engine
Automatic transmission
Make sure the parking brake is engaged and the
shift lever is in P.
Depress the brake pedal.The engine switch indicator light turns
green.
Press the engine switch.
Manual transmission
Make sure the parking brake is engaged and the
shift lever is in N.
Depress the clutch pedal.The engine switch indicator light turns
green.
Press the engine switch.
■ Stopping the engine
Engage the parking brake and shift the shift lever to P (for automatic transmissions) or N
(for manual transmissions).
Press the engine switch.
■ Changing power modes
To change power modes without turning on the engine, press the engine switch without
depressing the brake pedal (for automatic tran smissions) or the clutch pedal (for manual
transmissions). The modes can be changed in the following order:
With the electronic key on your person, the engine can be started by simply pressing the
engine switch, while depressing the brake pedal or clutch pedal.
(The mechanical key cannot be used to start the engine.)
ACC mode IG-ON mode
(Indicator light: amber)
OFF mode
(Indicator light: off)

Topic 3
When Driving
18
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing Yo u r L e x u s
Automatic Transmission
■ Shift positions
P Pa r k *
R Reverse
N Neutral (drive not engaged)
D Drive
S S mode
* : The engine can only be started in P.
The vehicle can only be shifted out of P whenthe engine switch is in IG-ON mode and the
brake pedal is depressed.
■ S mode
S mode allows the driver to select the shift range manually based on driving conditions.
Shift the shift lever to S.
To u p s h i f t : shift the shift lever toward "+", or
press the "+" shift paddle switch on the steering
wheel.
To d o w n s h i f t : shift the shift lever toward "-", or
press the "-" shift paddle switch on the steering
wheel.
The selected shift range is displayed on the
instrument cluster.

Topic 3
When Driving
22
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing Your Lexus
Turn Signal Lever
Right turn signal
Left turn signal
Emergency Flasher Switch
Engaging the emergency flasher switch causes all
the turn signal lights to flash.
The emergency flashers can be operated even
when the engine switch is OFF.
ECT Switch (Automatic Transmissions)
Power mode
For more powerful acceleration and uphill
driving.
Normal mode
Snow mode For starting or accelerating on snow-covered
roads or other slippery surfaces.
An indicator comes on when in power or snow
mode.
1
2
To signal a lane change, move the lever partway and hold.
Use the ECT switch to select the driving mode that best suits the driving and road condi-
tions.
1
2
3

Topic 4
Rain and Night Driving
29
Headlight Cleaner (If Equipped)
The headlight cleaner can be used only when the
engine switch is in IG-ON mode and the headlights
are on.
Rear Window and Outside Rear View
Mirror Defoggers
To defog the rear window and the outside mirrors,
press the button.
Press again to cancel.

Instrument Panel Light Control
To dim: turn the knob counterclockwise.
To brighten: turn the knob clockwise.
The system turns off automatically after 15 minutes.
1
2

48
Entering and Exiting
Before Driving
When Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing Your Lexus
If the electronic key battery becomes
discharged
■ Unlocking and locking the doors
To unlock or lock the vehicle, use the mechanical
key to remove the lock cover on the driver's door
handle. The mechanical key is stored inside the
electronic key.
Unlocks
Locks
■Starting the engine
Depress the brake pedal (for automatic trans-
missions) or clutch pedal (for manual transmis-
sions).
Hold the electronic key close to the engine
switch (within 0.4 in. [10 mm]), making sure that
the button side of the key is facing toward you.
Press the engine switch within 5 seconds of
the buzzer, keeping the brake pedal (for auto-
matic transmissions) or clutch pedal (for man-
ual transmissions) depressed.
1
2
For instructions on replacing the electronic key battery, refer to the Owner's Manual. If you
need further assistance, contact your Lexus dealer.