2012 Lexus IS250C engine

Contents
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 manual s so you will have a better
understanding of your vehicle’ s capabilities and limitations.
1
Air Conditioning System (with navigation system)*
Using the automatic mode ....................................................................................................... .52
Adjusting the temperature ...................................................................................................... .. 52
To turn off the airflow ........................................................................................................ ........... 52
Air Conditioning System (w ithout navigation system)
Using the automatic mode ....................................................................................................... .65
Adjusting the temperature ...................................................................................................... .. 65
To turn off the airflow ........................................................................................................ ........... 65
Audio System (with navigation system)*
Basic operation ................................................................................................................ .............. 48
Radio.......................................................................................................................... ......................... 48
DVD player/CD player........................................................................................................... ... 49
Operating an iPod .............................................................................................................. ............51
Remote control (steering wheel switches) ...........................................................................51
Audio System (without navigation system)
Basic operation ................................................................................................................ .............. 59
Radio.......................................................................................................................... ......................... 60
CD player ........................................................................................................................................... 61
Operating an iPod .............................................................................................................. .......... 64
Remote control (steering wheel switches) ......................................................................... 64
Automatic Transmission ...................................................................................................................15
Cruise Control .................................................................................................................................... 23
Door Locks ............................................................................................................................... ..............76
Dynamic Radar Cruise Control .................................................................................................. 24
ECT Switch ............................................................................................................................... ............... 21
Engine (ignition) Switch .................................................................................................................... 14
ETCS Switch ............................................................................................................................... ............ 21
Fog Lights ............................................................................................................................... .................27
Fuel Tank Cap ............................................................................................................................... ........79
Hands-free System For Cellular Phone (with navigation system)* Bluetooth
® phone pairing........................................................................................................... 41
Phonebook transfer ..................................................................................................................... 42
Registering a voice tag ........................................................................................................ ....... 43
Registering a speed dial ....................................................................................................... ...... 44
Calling by name ............................................................................................................................. 45
Calling by speed dial.......................................................................................................... .......... 46
Receiving a call............................................................................................................... .................47
Hands-free System For Cellular Phone (without navigation system)*
Bluetooth
® phone pairing......................................................................................................... 53
*: This feature may be operated by Voice command (See P.66)

4
Shift paddle switch
(automatic transmission)
P.15
Windshield wiper and
washer switch
P.28
Engine (ignition) switch P.14
Trunk opener main switch P.80
ECT switch (automatic transmission)
ETCS switch (manual transmission)P.21
P.21
Shift lever P.15, 17

9
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 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 th e electronic key in your pocket or bag.
For details on starting the engine, see page 14.
For details on what to do when the electronic key does not operate properly, see page 83.

10
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 ligh t 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 start the en gine, or unlock the doors or trunk.
■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 followi ng features to help protect your vehicle from
theft.

14
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.)

15
■Changing power modes
To change power modes without turning on the engine, press the “ENGINE START STOP”
switch without depressing the brake pedal (for automatic transmission) or the clutch pedal
(for manual transmission). The modes can be changed in the following order:
Automatic Transmission (If Equipped)
■ Shift positions
ACCESSORY mode IGNITION ON mode
(Indicator light: amber)
Off
(Indicator light: off)
P Pa r k *
The vehicle can only be shifted out of P when
the “ENGINE START STOP” switch is in
IGNITION ON mode and the brake pedal is
depressed.
R
Reverse
N Neutral (drive not engaged)
D Drive
S S mode
*: The engine can only be started in P.

77
Retractable Hardtop
Opening the retractable hardtop
Press and hold the switch until “COMPLETE” is shown on the display.
Closing the retractable hardtop
Pull up and hold the switch until “C OMPLETE” is shown on the display.
Retractable hardtop status display
Warnings, advice and the operat ional status of the retractable hardtop will be displayed.
■To operate the retractable hardtop
When the following conditions are met, the retractable hardtop can be operated:
1
2
3
Operating conditionDetails
The vehicle is stopped—
The trunk lid is closed—
The “ENGINE START STOP” switch is in
IGNITION ON mode( P.1 5 )
The luggage cover is installed( P. 7 8 )
The trunk opener main switch is on( P. 8 0 )
No obstacles are detect ed by the intuitive
parking assistRefer to the Owner's Manual for details.

What to do if ...
83
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 ke y 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 ba ttery, refer to the Owner's Manual. If you need further assistance,
contact your Lexus dealer.