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

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*
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2
3
4

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
17
Outside Rear View Mirrors
To select the mirror you wish to adjust (L or R),
use the master switch.
To adjust mirror angle, use the control switch.
The mirrors will automatically angle downwards
when the vehicle is reversing.
To disable this function, set the master switch in
the neutral position (between L and R).
Anti-glare Inside Rear View Mirror
To turn AUTO mode ON/OFF, press the AUTO
button.
The indicator comes on when AUTO mode is
turned ON.
Steering Wheel
Up
Down
Aw a y f r o m t h e d r i v e r
Toward the driver
The anti-glare mirror uses a sensor to detect light from vehicles behind and automatically
reduces glare.
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2
3
4
The steering wheel retracts automatically when the “ENGINE START STOP” switch is
turned OFF to allow for easy exit and entry. The steering wheel returns automatically to its
previously set position when the “ENGINE START STOP” switch is switched to ACCES-
SORY or IGNITION ON mode.

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 3
When Driving
20
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
■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
ACCE SSORY modeIGNITION ON mode
(Indicator light: amber) OFF
(Indicator light: off)
PPa 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. RReverse
NNeutral (drive not engaged)
DDrive
SS mode
*: The engine can only be started in P.

Topic 3
When Driving
26
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
Tu r n S i g n a l L e v e r
Right turn signal
Left turn signal
Emergency Flasher Switch
Engaging the emergency flasher switch causes all
the turn signal lights to flash.
The emergency flashers can be operated even
when the “ENGINE START STOP” switch is OFF.
1
2
To signal a lane change, move the lever partway and hold.

Topic 4
Rain and Night Driving
37
Headlight Cleaner (If Equipped)
The headlight cleaner can be used only when the
“ENGINE START STOP” switch is in IGNITION
ON mode and the headlights are on.
Rear Window and Outside Rear View
Mirror Defoggers
To defog the rear window and the outside rear
view mirrors, press the button.
Press again to cancel.

Instrument Panel Light Control
To d i m : turn the dial counterclockwise.
To b r i g h t e n : turn the dial clockwise.
The system turns off automatically after 15 to 60 minutes.
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2

Topic 6
Opening and Closing
84
Entering and Exiting
Before DrivingBefore Driving
When Driving
Rain and
Night Driving
Driving Comfort
Opening and ClosingOpening and Closing
What to do if ...
Customizing
Yo u r L e x u s
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 “COMPLETE” is shown on the display.
Retractable hardtop status display
Warnings, advice and the operational 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. 2 0 )
The luggage cover is installed(P. 8 5 )
The trunk opener main switch is on(P.88)
No obstacles are detected by the intuitive
parking assistRefer to the Owner's Manual for details.

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.

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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
If the engine doesn't start
Make sure that the correct operating procedures have been followed.
Automatic transmission
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 9 )
Manual transmission
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.1 1 )
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.