ignition Lexus IS250 2010 Owner's Manual

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IS350/250_U
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2-1. Driving proceduresDriving the vehicle ........................ 124
Engine (ignition) switch .............. 134
Automatic transmission.............. 139
Manual transmission .................... 145
Turn signal lever ............................ 147
Parking brake ................................. 148
Horn.................................................... 150
2-2. Instrument cluster Gauges and meters ....................... 151
Indicators and warning lights................................................. 157
Multi-information display........... 160
2-3. Operating the lights and windshield wipers
Headlight switch ............................ 165
Fog light switch .............................. 168
Windshield wipers and washer............................................. 169
Headlight cleaner switch ........... 174 2-4. Using other driving systems
Cruise control ................................ 175
Dynamic radar cruise control............................................. 179
Intuitive parking assist ................. 190
Driving assist systems.................. 196
PCS (Pre-Collision System) ........... 202
2-5. Driving information Cargo and luggage ..................... 206
Vehicle load limits........................ 209
Winter driving tips ........................ 210
Trailer towing .................................. 214
Dinghy towing (vehicles with an automatic
transmission) ................................ 215
Dinghy towing (vehicles with a manual
transmission) ................................ 216
2When driving

IS350/250_U
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Pictorial indexInstrument panel
Headlight switch Turn signal lever Fog light switch P. 165
P. 147
P. 168
Shift paddle switches (automatic transmission) P. 142
Gauges and meters P. 151
Multi-information display P. 160
Windshield wiper and washer switch P. 169
Engine (ignition) switch P. 134
Trunk opener main switch P. 47
Glove box P. 333
Tilt and telescopic steering lock release lever ∗ P. 69
Tilt and telescopic steering control switch ∗ P. 70
Parking brake pedal (automatic transmission) P. 148
Audio remote control switches P. 277
Horn P. 150

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1-2. Opening, closing and locking the doors and trunk
IS350/250_U
Locking the front doors from the outside without a key
The door cannot be locked if the “ENGINE START STOP” switch is in
ACCESSORY or IGNITION ON mode, or the electronic key is left
inside the vehicle.
Depending on the position of the electronic key, the key may not be detected
correctly and the door may be locked.
Rear door child-protector lock
The door cannot be opened from
inside the vehicle when the locks
are set.
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear
doors.
Automatic door locking and unlocking systems
The following functions can be set or cancelled:
*: Vehicles with an automatic transmission only
FunctionOperation
Shift position linked door
locking function
*Shifting the shift lever out of P locks all doors.
Shift position linked door
unlocking function
*Shifting the shift lever to P unlocks all doors.
Speed linked door locking
functionAll doors are locked when the vehicle speed is
approximately 12 mph (20 km/h) or higher.
Driver's door linked door
unlocking functionAll doors are unlocked when the driver's door is
opened within 10 seconds after turning the
“ENGINE START STOP” switch OFF.

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1-2. Opening, closing and locking the doors and trunk
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Before driving
IS350/250_U■
Setting and canceling the functions
To switch between setting and canceling, follow the procedure below:
Close all the doors and switch the “ENGINE START STOP”
switch to IGNITION ON mode. (Perform the step 2 within 10
seconds.) Shift the shift lever to P or N, press
and hold the driver's door lock
switch (
or ) for about
5 seconds then release.
The shift lever and switch positions
corresponding to the desired func-
tion to be set are shown as follows.
Use the same procedure to cancel
the function.
*: Vehicles with an automatic transmission only
When the setting or canceling operation is complete, all doors are locked
and then unlocked.
STEP1
STEP2
FunctionShift lever positionDriver’s door lock
switch position
Shift position linked door locking
function*
PShift position linked door unlock-
ing function*
Speed linked door locking function
NDriver's door linked door unlocking
function

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1
1-3. Adjustable components (seats, mirrors, steering wheel)
Before driving
IS350/250_U
Driving position memory (driver’s seat)∗
Your preferred driving position (the position of the driver's seat, steering
wheel and outside rear view mirrors) can be memorized and recalled with
the touch of a button. It is also possible to set this function to activate auto-
matically when the doors are unlocked.
Three different driving positions can be entered into memory.
■ Entering a position to memory
Switch to IGNITION ON mode.
Adjust the driver’s seat, steering wheel, and outside rear view
mirrors to the desired positions.
Push the “SET” button, then
within 3 seconds push button
“1”, “2” or “3” until the signal
beeps.
If the selected button has
already been preset, the previ-
ously recorded position will be
overwritten.
■Recalling the memorized position
Vehicles with an automatic transmission: Check that the shift lever is
set in P.
Vehicles with a manual transmission: Check that the parking brake is
set.
Switch to IGNITION ON mode.
STEP1
STEP2
STEP3
STEP1
∗: If equipped

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1
1-3. Adjustable components (seats, mirrors, steering wheel)
Before driving
IS350/250_U
Seat position memory (front passenger’s seat)∗
Your preferred front passenger seat position can be memorized and
recalled with the touch of a button.
Three different seat positions can be entered into memory.
■ Entering a position to memory
Switch to IGNITION ON mode.
Adjust the front passenger seat to the desired position.
Push the “SET” button, then
within 3 seconds push button
“1”, “2” or “3” until the signal
beeps.
If the selected button has
already been preset, the previ-
ously recorded position will be
overwritten.
■Recalling the memorized position
Vehicles with an automatic transmission: Check that the shift lever is
set in P.
Vehicles with a manual transmission: Check that the parking brake is
set.
Push button “1”, “2” or “3” to
recall the memorized position.
STEP1
STEP2
STEP3
∗: If equipped

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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

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1-3. Adjustable components (seats, mirrors, steering wheel)
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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.

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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.

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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.