2014 Lexus IS250C key

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1-6. Theft deterrent system
IS250C/350C_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 when the alarm is
set.
● 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.
● The hood is opened.
■ Setting the alarm system
If the retractable hardtop is
open, close it.
Close the doors, trunk and
hood, and lock both side 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 ACCESSORY or
IGNITION ON mode, or start the engine. (The alarm will be
deactivated or stopped after a few seconds.)

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1-6. Theft deterrent system
IS250C/350C_U
■When the battery is disconnected
Be sure to deactivate the alarm system.
If the battery is disconnected before deactivating the alarm system, the alarm may
be triggered when the battery is reconnected.
■Alarm-operated door lock
●When the alarm is operating, the doors are locked automatically to prevent
intruders.
●Do not leave the key inside the vehicle when the alarm is operating, and make
sure the key is not inside the vehicle when recharging or replacing the battery.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation
of the system cannot be guaranteed.

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IS250C/350C_U
2-1. Driving procedures
Driving the vehicle
Starting on a steep uphillFirmly set the parking brake and shift the shift lever to D.
Gently depress the accelerator pedal.
Release the parking brake.
The following procedures should be observed to ensure safe driving.
■Starting the engine ( →P. 1 4 7 )
■ Driving
With the brake pedal depressed, shift the shift lever to D. (→P. 151)
Release the parking brake. (→ P. 1 5 9 )
Gradually release the brake pedal and gently depress the
accelerator pedal to accelerate the vehicle.
■ Stopping
With the shift lever in D, depress the brake pedal.
If necessary, set the parking brake.
When the vehicle is stopped for an extended period of time, shift the
shift lever to P or N. (
→P. 1 5 1 )
■Parking the vehicle
With the shift lever in D, depress the brake pedal.
Set the parking brake. (→ P. 1 5 9 )
Shift the shift lever to P. (→ P. 151)
Press the “ENGINE START STOP” switch and stop the engine.
Lock the door, making sure that you have the electronic key on
your person.
STEP1
STEP2
STEP3
STEP1
STEP2
STEP1
STEP2
STEP3
STEP4
STEP5
STEP1
STEP2
STEP3

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2-1. Driving procedures
2
When driving
IS250C/350C_U
Engine (ignition) switch
Performing the following operations when carrying the electronic key on
your person starts the engine or changes “ENGINE START STOP” switch
modes.
■ Starting the engine
Check that the parking brake is set.
Check that the shift lever is set in P.
Sit in the driver’s seat and firmly depress the brake pedal.
The “ENGINE START STOP” switch indicator turns green.
Press the “ENGINE START
STOP” switch.
The engine will crank until it
starts or for up to 30 seconds,
whichever is less.
Continue depressing the brake
pedal until the engine is com-
pletely started.
The engine can be started from
any “ENGINE START STOP”
switch mode.
STEP1
STEP2
STEP3
STEP4

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2-1. Driving procedures
2
When driving
IS250C/350C_U
■If the engine does not start
The engine immobilizer system may not have been deactivated. (→P. 9 8 )
■When the steering lock cannot be released
■When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes with the shift
lever in P, the “ENGINE START STOP” switch will automatically turn OFF.
■Electronic key battery depletion
→P. 3 8
■When the electronic key battery is fully discharged
→P. 4 4 9
■Conditions affecting operation
→P. 3 6
■Note for the entry function
→P. 3 9 The “ENGINE START STOP” switch indica-
tor will flash in green and a message will be
shown on the multi-information display. Press
the “ENGINE START STOP” switch again
while turning the steering wheel left and right.

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2-3. Operating the lights and windshield wipers
2
When driving
IS250C/350C_U
■Automatic light off system
●When the headlights come on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch has
been switched to ACCESSORY mode or turned OFF. (The light turns off
immediately if on the key is pressed after both side doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF and driver’s door is opened.
To turn the lights on again, switch to IGNITION ON mode, or turn the light switch
off once and then back to or
.
■Automatic headlight leveling system (vehicles with discharge headlights)
The level of the headlights is automatically adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
■Customization that can be configured at Lexus dealer
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 5 8 6 )
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

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3-3. Using the Bluetooth® audio system
IS250C/350C_U
Using the Bluetooth® audio system for the first time
Before using the Bluetooth
® audio system, it is necessary to register a
Bluetooth® enabled portable player in the system. Follow the procedure
below to register (pai r) a portable player:
Press and select “BT•A MENU” using , and .
Press the talk switch or select “BT•A Setup” using ,
and .
The introductory guidance and portable player name registration
instructions are heard*.
Select “Pair Audio Player (Pair Audio)” using a voice command
or , and .
Register a portable player name by either of the following meth-
ods:
a. Select “Record Name” using , and , and saythe name to be registered.
b. Press the talk switch and say the name to be registered.
A voice guidance instruction to confirm the input is heard*.
Select “Confirm” using a voice command or , and.
A passkey is displayed and heard, and a voice guidance instruction for
inputting the passkey into the portable player is heard*.
Input the passkey into the portable player.
Refer to the manual that comes with the portable player for the opera-
tion of the portable player.
STEP1
STEP2
*: For vehicles sold in U.S. mainland, Canada and Hawaii only
STEP3
STEP4
STEP5
STEP6

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3-3. Using the Bluetooth® audio system
3
Interior features
IS250C/350C_UGuidance for registration completion is heard*.
If the portable player has a Bluetooth
® phone, the phone can be regis-
tered at the same time. A voice guidance instruction to register a
Bluetooth
® phone is heard*.
Select “Yes” or “No” using a voice command or ,
and . (Bluetooth
® phone → P. 324)
Menu list of the Bluetooth® audio system
First menuSecond
menuThird menuOperation detail
“Setup”
“BT•A
Setup”
“Pair Audio”Registering a portable player
“Connect”Selecting a portable player to
be used
“Change Name”Changing the registered name
of a portable player
“List Audios”Listing the registered portable
players
“Set Passkey”Changing the passkey
“Delete Audio”Deleting a registered portable
player
“System
Setup”
“Guidance Vol”*Setting voice guidance volume
“Device Name”Displaying the Bluetooth®
device address and name
“Initialize”Initializing the system
*: For vehicles sold in U.S. mainland, Canada and Hawaii only
STEP7