Lexus IS350 2008 Do-it-yourself maintenance / LEXUS 2008 IS 350/250 QUICK GUIDE (OM60D81U) Workshop Manual
Manufacturer: LEXUS, Model Year: 2008, Model line: IS350, Model: Lexus IS350 2008Pages: 58, PDF Size: 2.05 MB
Page 51 of 58

What to do if ...
51
If the engine doesn't start
Make sure that the correct operating procedures have been followed.
Make sure that the brake pedal (for automatic
transmission) or clutch pedal (for manual trans-
mission) is firmly depressed when attempting to
start the engine. ( P.1 7 )
 Automatic transmission
 Manual transmission
utomatic 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
START STOP” switch. (P.9 )
Electronic key alarm
Brake/clutch pedal
Steering wheel lock
If the engine still does not start, see the Owner's Manual for more information or contact
your Lexus dealer. 
Page 52 of 58

52
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 warning messages to indicate that the electronic 
key has been used improperly. Take appropriate 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 correction procedure in the table below.
*: Vehicles with 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.
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 60 seconds
Tried to exit the vehicle 
with the electronic key and 
lock the doors without first 
turning the “ENGINE 
START STOP” switch OFF
Turn the “ENGINE START 
STOP” switch OFF and 
lock the doors again.
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 ACCES-
SORY mode while the 
driver's door is open 
(Opened the driver's door 
when the “ENGINE 
START STOP” switch is in 
ACCESSORY mode.)
Turn the “ENGINE START 
STOP” switch OFF and 
close the driver's door.
Tu r n e d  t h e  “ E N G I N E  
START STOP” switch OFF 
while the driver's door is 
still open
Close the driver's door. 
Page 53 of 58

Customizing Your Lexus
53
Your vehicle includes a variety of electronic features that can be personalized to your
preferences. Programming these preferences requires specialized equipment and may
be performed by an authorized Lexus dealership.
Some function settings are changed simultaneously with other functions being customized.
Contact your Lexus dealer for further details.
ItemFunctionDefault 
settingCustomized
setting
Smart access 
system with 
push-button start  
Smart access system with 
push-button startONOFF
Operation signal
(Emergency flashers)ONOFF
Operation signal
(Buzzer)ONOFF
Wireless remote 
control
Wireless remote controlONOFF
Unlocking operation
Driver's door 
unlocked in 
one step, all 
doors 
unlocked in 
two steps
All doors 
unlocked in 
one step
Time elapsed before auto-
matic door lock function is 
activated if door is not opened 
after being unlocked
30 seconds
60 seconds
120 seconds
Automatic door lock function 
to be activated if door is not 
opened after being unlocked
ONOFF
Operation signal
(Emergency flashers)ONOFF
Operation signal 
(Buzzer)ONOFF
Trunk unlocking functionONOFF
Trunk unlocking operationPush and hold Push twice
One short push
Panic functionONOFF 
Page 54 of 58

54
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
ItemFunctionDefault 
settingCustomized
setting
Door lock
Unlocking using a key
Driver's door 
unlocked in 
one step, all 
doors 
unlocked in 
two steps
All doors 
unlocked in 
one step
Speed-detecting automatic 
door lock function
 (Manual transmissions)
ONOFF
Speed-detecting automatic 
door lock function
 (Automatic transmissions)
OFFON
Opening driver's door unlocks 
all doors 
(Manual transmissions)
ONOFF
Opening driver's door unlocks 
all doors 
(Automatic transmissions)
OFFON
Shifting gears to P unlocks all 
doors.ONOFF
Shifting gears to position other 
than P locks all doors.ONOFF
Pow e r  w i n d o w s
Linked door lock operationONOFF
Linked door key operationOpen and 
closeOpen only
Close only
Wireless remote control linked 
operationONOFF
Moon roof
Linked door lock operationONOFF
Linked door key  operationOpen and 
closeOpen only
Close only
Linked operation of components 
when door key is usedSlide onlyTi l t  o n l y
Wireless remote control linked 
operationONOFF
Linked operation of components 
when wireless remote control 
used
Slide onlyTi l t  o n l y 
Page 55 of 58

55
Customizing Your Lexus
ItemFunctionDefault 
settingCustomized
setting
Automatic light 
control system
Light sensor sensitivityLevel 3Level 1 to 5
Time elapsed before headlights 
automatically turn off after 
doors are closed
30 seconds
0 seconds
60 seconds
90 seconds
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
Intuitive parking 
assist
Back sensor operation display 
and buzzerONOFF
Buzzer volumeLevel 3Level 1 to 5
Distance which a sensor detects4.5 ft. (150 cm)1.8 ft. (60 cm)
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 
START STOP” switch turned 
OFF
ONOFF
Front foot well lightingONOFF
Shift lever lightingONOFF
Outer foot lightONOFF 
Page 56 of 58

56
Memo 
Page 57 of 58

Memo
57 
Page 58 of 58

58
Your Lexus dealer
Your Lexus dealer will provide quality maintenance and any other assistance
you may require.
If there is not a Lexus dealer near you, please call the following number:
■U.S. OWNERS
●In the U.S. mainland or Canada:  
Lexus Roadside Assistance  
1-800-25-LEXUS or 1-800-255-3987 (Toll-Free)
●In Hawaii: 
Servco Automotive Roadside Assistance/Customer Services
1-800-25-LEXUS or 1-800-255-3987 (Toll-Free)
■CANADIAN OWNERS
●In Canada or the U.S. mainland: 
Lexus Roadside Assistance/Customer Service
1-800-26-LEXUS or 1-800-265-3987 (Toll-Free)
Please access our websites for further information.
●The U.S. mainland: www.lexus.com
●Hawaii: www.servcolexus.com
●Canada : www.lexus.ca
©2007    TOYOTA MOTOR CORPORATION
All rights reserved. This material may not be reproduced or copied, in whole or in part, 
without the written permission of Toyota Motor Corporation.