engine Lexus IS250 2010 Owner's Guide

70
1-3. Adjustable components (seats, mirrors, steering wheel)
IS350/250_U
Steering wheel (power-adjustable type)
Auto tilt awayWhen the “ENGINE START
STOP” switch is turned OFF, the
steering wheel returns to its
stowed position by moving up and
away to enable easier driver entry
and exit.
Switching to ACCESSORY or
IGNITION ON mode will return
the steering wheel to the original
position.
The steering wheel can be adjusted to a comfortable position.
Up
Down
Away from the driver
Toward the driver

71
1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
IS350/250_U
■The steering wheel can be adjusted when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
■Automatic adjustment of the steering position (vehicles with driving position
memory)
A desired steering position can be entered to memory and recalled automatically
by the driving position memory. (→P. 5 3 )
■Customization that can be configured at Lexus dealer
It is possible to deactivate the auto tilt-away function.
(Customizable features →P. 5 4 9 )
CAUTION
■Caution while driving
Do not adjust the steering wheel while driving.
Doing so may cause the driver to mishandle the vehicle and cause an accident,
resulting in death or serious injury.

72
1-3. Adjustable components (seats, mirrors, steering wheel)
IS350/250_U
Anti-glare inside rear view mirror
■To prevent sensor error
CAUTION
■Caution while driving
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and an accident, resulting in death
or serious injury.
In automatic mode, sensors are used to detect the headlights of vehicles
behind and automatically reduce the reflected light.
Turns automatic mode on/off
The indicator comes on when
automatic mode is turned on.
The anti-glare mirror default
mode is automatic. The anti-
glare mirror is automatically set
to automatic whenever the
“ENGINE START STOP” switch
is turned to IGNITION ON
mode.
To ensure that the sensors operate properly,
do not touch or cover them.

73
1
1-3. Adjustable components (seats, mirrors, steering wheel)
Before driving
IS350/250_U
Outside rear view mirrors
■The mirrors can be adjusted when
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON mode.
■When the mirrors are fogged up
Turn on the mirror defoggers to defog the mirrors. (→P. 2 2 8 )
■Folding back the mirrors
■One-touch adjustment of the mirror angle
(vehicles with driving position memory)
A desired mirror face angle can be entered to memory and adjusted with the touch
of a button. (→P. 5 3 )
Mirror angle can be adjusted using the switch.
Select a mirror to adjust
(“L”: left or “R”: right)
Adjust the mirror up, down,
in, or out using the switch
Push back in the direction of the vehicle's
rear.

77
1-4. Opening and closing the windows and moon roof
1
Before driving
IS350/250_U
■The power windows can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Door lock linked window operation
The power windows can be opened and closed using the mechanical key.
(→ P. 5 0 5 )
■Operating the power windows after turning the “ENGINE START STOP” switch
OFF
The power windows can be operated for approximately 45 seconds even after the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF. They cannot, however, be operated once either front door is opened.
■Jam protection function
If an object becomes caught between the window and the window frame, window
travel is stopped and the window is opened slightly.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed.
(Customizable features →P. 5 4 9 )

80
1-4. Opening and closing the windows and moon roof
IS350/250_U
■The moon roof can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the
instrument panel when the “ENGINE START STOP” switch is turned OFF and the
driver's door is opened with the moon roof open.
■Door lock linked moon roof operation
The moon roof can be opened and closed using the mechanical key. (→P. 5 0 5 )
■Operating the moon roof after turning the “ENGINE START STOP” switch OFF
The moon roof can be operated for approximately 45 seconds even after the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF. It cannot, however, be operated once either front door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while closing or tilting
down, travel is stopped and the moon roof opens slightly.
■To reduce moon roof wind noise
Drive with the moon roof opened to slightly before the fully open position as driving
with the moon roof opened fully will cause wind noise.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.

83
1
Before driving
IS350/250_U
1-5. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■Before refueling the vehicle
Turn the “ENGINE START STOP” switch OFF and ensure that all
the doors and windows are closed.
■ Opening the fuel tank cap
Press the opener switch.
Turn the fuel tank cap slowly to
open.
Hang the fuel tank cap on the
back of the fuel filler door.
STEP1
STEP2
STEP3

86
IS350/250_U
1-6. Theft deterrent system
Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle's
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

87
1-6. Theft deterrent system
1
Before driving
IS350/250_U
■System maintenance
The vehicle has a maintenance-free type of engine immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle
■Certifications for the engine immobilizer system For vehicles sold in the U.S.A.
FCC ID: NI4TMIMB-1
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation. For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user’s authority to operate the equipment.
NOTICE
■To ensure the system correctly
Do not modify and remove the system. If modified or removed, the proper opera-
tion of the system cannot be guaranteed.

88
1-6. Theft deterrent system
IS350/250_U
Alarm
The system sounds the alarm and flashes the lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
● A locked door or trunk is unlocked or opened in any way other
than using the entry function, wireless remote door lock function
or mechanical key with the alarm being set.
● The hood is opened with the alarm being set.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
● Unlock the doors or trunk using the entry function, wireless
remote door lock functi on or mechanical key.
● Turn the “ENGINE START STOP” switch to the ACCESSORY or
IGNITION ON mode or start th e engine. (The alarm will be
deactivated or stopped after a few seconds.)