key Lexus IS250C 2010 Do-It-Yourself Maintenance / LEXUS 2010 IS350C/250C QUICK GUIDE OWNERS MANUAL (OM53738U)

1
When Driving
Topic 3
Entering and Exiting
Topic 1
Before Driving
Topic 2
Overview
Contents
●Engine (ignition) SwitchP.1 9
●Automatic TransmissionP. 2 0
●Manual TransmissionP. 2 3
●Parking BrakeP. 2 3
●Multi-information DisplayP. 2 4
●Satellite SwitchesP. 2 5
●Tu r n S i g n a l L e v e rP. 2 6
●Emergency Flasher SwitchP. 2 6
●ECT SwitchP. 2 7
●KeysP.9
●Smart Access System with
Push-button StartP.1 0
●Theft Deterrent SystemP.1 1
The Quick Guide is not intended as a substitute for your Owner’s
Manual. We strongly encourage you to review the Owner’s
Manual and supplementary manuals so you will have a better
understanding of your vehicle’s capabilities and limitations.
●ETCS SwitchP. 2 7
●Intuitive Parking AssistP. 2 8
●Cruise ControlP. 2 9
●Dynamic Radar Cruise
ControlP. 3 0
●SeatsP.1 3
●Driving and Seat Position
Memory SystemP.1 5
●Head RestraintsP.1 6
●Seat beltsP.1 6
●Outside Rear View MirrorsP.1 7
●Anti-glare Inside
Rear View MirrorP.1 7
●Steering WheelP.1 7

Entering and ExitingTopic 1
Keys ............................................................................. 9
Smart Access System with
Push-button Start .................................................. 10
Theft Deterrent System ........................................ 11

Topic 1
Entering and Exiting
9
Keys
■Electronic key
Smart access system with push-button start
(P.10, 19)
*: If equipped
■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,
or if equipped with a card key, press the button
and pull.
■Wireless remote control
Press: locks both side doors
Press once: unlocks the driver's door
Press twice: unlocks passenger's door
Press and hold: opens the windows
Press and hold: opens the trunk
Press and hold: sounds the alarm
(Use the alarm to attract attention to the vehi-
cle in order to help deter break-ins. To stop the
alarm, press any button on the wireless remote
control.)
Card key*
1
2
3
4

Topic 1
Entering and Exiting
10
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
door handles.
■Exiting the vehicle
To lock the vehicle, press the lock button on either
of the door handles.
■Opening the trunk
To open the trunk, press and hold 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 the electronic key in your pocket or bag.
For details on starting the engine, see page 19.
For details on what to do when the electronic key does not operate properly, see page 91.

Topic 1
Entering and Exiting
11
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 system sounds the alarm and flashes lights when forcible entry is detected.
To set the alarm: lock both side doors from outside the vehicle. The security indicator light
comes on to indicate that the alarm is in its preparation state. When the indicator light
begins to flash, the system is armed.
To deactivate or stop the alarm: turn the “ENGINE START STOP” switch to ACCESSORY
or IGNITION ON mode, or unlock the doors or trunk using the electronic key or the wire-
less remote control.
■Steering lock
The steering wheel locks when the “ENGINE
START STOP” switch is OFF and the driver’s door
is opened.
When the steering lock cannot be released, the
green indicator light on the “ENGINE START
STOP” switch will flash and a message will be
shown on the multi-information display. To release
it, gently turn the wheel left or right while pressing
the “ENGINE START STOP” switch.
The theft deterrent system includes the following features to help protect your vehicle from
theft.

Topic 2
Before Driving
15
Driving and Seat Position Memory System (If Equipped)
■Setting memory positions
Press the SET button, then within 3 seconds press
one of the memory buttons (1, 2, or 3) until you
hear a beep.
The current position of the seat, as well as the
position of the steering wheel and the outside
rear view mirrors (for the driver's seat only) is
recorded.
■Recalling memory positions
Press one of the memory buttons (1, 2, or 3).
■Linking driving position memory with door unlock operation (driver's seat only)
While holding down the desired memory button,
press and hold the button on the wireless
remote control or door lock switch until you hear a
beep.
To prevent triggering of the alarm, open one of
the doors within 180 seconds after the beep is
heard.
The seats can be returned to a previously set position by simply pressing a button.
The position of the steering wheel and the outside rear view mirrors is adjusted along with the
driver's seat.
Positions can be conveniently recorded for the vehicle's primary drivers and passengers.
Linking driving position memory to the door unlock operation allows the memory position
to be recalled automatically when the driver's door is opened. (The linked function does not
operate if the driver's door is unlocked using the mechanical key or manually from inside
the vehicle.)

Topic 3
When Driving
19
Engine (ignition) Switch
■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 START STOP” switch indi-
cator light turns green.
Press the “ENGINE START STOP” switch.
Manual transmission
Make sure the parking brake is engaged and the
shift lever is in N.
Depress the clutch pedal.
The “ENGINE START STOP” switch indi-
cator light turns green.
Press the “ENGINE START STOP” switch.
■Stopping the engine
Engage the parking brake and shift the shift lever to P (for automatic transmission) or N
(for manual transmission).
Press the “ENGINE START STOP” switch.
With the electronic key on your person, the engine can be started by simply pressing the
“ENGINE START STOP” switch, while depressing the brake pedal or clutch pedal.
(The mechanical key cannot be used to start the engine.)

Topic 5
Driving Comfort
61
Hands-free System For Cellular Phone
(without navigation system)
■Bluetooth® phone pairing
Compatible Bluetooth®-equipped phones can be connected to the vehicle, enabling
hands-free operation. Please refer to the cellular phone manufacturer's user guide for pair-
ing procedures, or go to“www.lexus.com/bluetooth” for more phone information.
To use a Bluetooth
® phone, it is necessary to first
register it in the system.
Press or .
Press and say “Pair phone”.
Press and say a name*.
*: This name will be used to identify your
phone in the case that more than one
phone has been registered to the system.
Press and say “Confirm” to display the
passkey.
Enter the passkey shown on the display into
the phone.
Refer to the cellular phone user's manual for
cellular phone operation.
Once the voice guidance for registration com-
pletion is finished, press .STEP1
: Pressing this switch turns the speech command system on. Say a command after
the beep.

What to do if ...
91
If the electronic key does not operate
properly
■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-
mission) or clutch pedal (for manual transmis-
sion).
Touch the Lexus emblem side of the electronic
key to the “ENGINE START STOP” switch.
Press the “ENGINE START STOP” switch
within 10 seconds of the buzzer, keeping the
brake pedal (for automatic transmission) or
clutch pedal (for manual transmission)
depressed.
1
2
If the electronic key battery becomes depleted, replace it with a new battery. For instruc-
tions on replacing the battery, refer to the Owner's Manual. If you need further assistance,
contact your Lexus dealer.

What to do if ...
93
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 both side 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 both side 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.)
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.