2006 Lexus IS250 engine

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.

What to do if ...
49
If the engine doesn't start
Make sure that the correct operating procedures have been followed.Make sure that the brake pedal (for automatic
transmissions) or clutch pedal (for manual trans-
missions) is firmly depressed when attempting to
start the engine. ( P.1 7 )
Automatic transmission
Manual transmission
u tomatic transmissin
Make sure that the steering wheel lock is released.
To release the steering wheel lock, gently turn the
wheel left or right while pressing the engine
switch. (P.9 )
Electronic key alarm
Brake/clutch pedal
Steering wheel lock
If the engine still does not st art, see the Owner's Manual fo r more information or contact
your Lexus dealer.

50
Entering and Exiting
Before Driving
When Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing Yo u r L e x u s
Electronic Key Alarm
The electronic key alarm uses an alarm and warn ing messages to indicate that the electronic
key has been used improperly. Take appropri ate measure in response to any warning mes-
sages that are displayed. In some cases, an alarm may sound without an accompanying
warning message. If so, follow the co rrection procedure in the table below.
*Vehicles with an automatic transmission only
AlarmSituationCorrection procedure
Exterior alarm sounds
once for 2 seconds
Tried to lock the doors
using the entry function
while the electronic key is
still inside the passenger
compartmentRetrieve the electronic key
from the passenger com-
partment and lock the
doors again.
Tried to exit the vehicle
with the electronic key and
lock the doors without first
turning the engine switch
OFF
Tu r n t h e e n g i n e s w i t c h
OFF and lock the doors
again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic key
from the trunk and close
the trunk lid.
Exterior alarm sounds
once for 10 secondsTried to lock the vehicle
using the entry function
while a door is openClose all of the doors and
lock the doors again.
Interior alarm sounds
continuously*Tried to open the door and
exit the vehicle without
shifting the shift lever to P
Shift the shift lever to P.
Interior alarm pings
continuously
Switched to ACC mode
while the driver's door is
open (Opened the driver's
door when the engine
switch is in ACC mode.)
Tu r n t h e e n g i n e s w i t c h
OFF and close the driver's
door.
Turned the engine switch
OFF while the driver's
door is still open
Close the driver's door.

53
Customizing Your Lexus
ItemFunctionDefault settingCustomized setting
Windshield
wipers and
washer
Switching operation when the
vehicle is stationalyONOFF
Drip prevention functionONOFF
Time elapsed before the drip
prevention function operates
Va r i a b l e
depending on the vehicle speed
3 seconds
Lexus parking
assist-sensorBack sensor operation display
and buzzerONOFF
Buzzer volumeLevel 3Level 1 to 5
Illumination
Time elapsed before lights turn
off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the doors are
unlockedONOFF
Operation after the engine
switch turned OFFONOFF
Front foot well lightingONOFF
Shift lever lightingONOFF
Outer foot lightONOFF