2012 Lexus IS250 door lock

446
4-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30 APo w e r s e a t
2DOOR DL15 A
3OBD7. 5 AOn-board diagnosis system
4STOP SW7. 5 A
Stop lights, multipor t fuel injection sys-
tem/sequential multip ort fuel injection
system, VDIM, shift lock system, high
mounted stop light
5TI & TE20 AElectric tilt and telescopic steering
column
6RAD NO.310 AAudio
7GAUGE7. 5 AMeter
8IGN10 A
SRS airbag system, steering lock sys-
tem, multiport fuel injection system/
sequential multiport fuel injection sys-
tem, stop lights

447
4-3. Do-it-yourself maintenance
4
Maintenance and care
9ACC7. 5 A
Clock, air conditioning system, audio,
navigation system, outside rear view
mirrors, Lexus parking assist monitor,
glove box light, console box light, mul-
tiplex communication system, display,
smart access system with push-but-
ton start
10CIG15 ACigarette lighter
11PWR OUTLET15 APo w e r o u t l e t
12RR DOOR RH20 APo w e r w i n d o w s
13FR DOOR RH20 A
Power windows, outside rear view
mirrors, multiplex communication sys-
tem
14AM27. 5 AStarting system
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heater
and ventilator, windshield wiper de-
icer
16FR S/HTR RH15 ASeat heaters and ventilators
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, air con-
ditioning system, electric tilt and
telescopic steering, power windows,
navigation system, multiplex commu-
nication system
FuseAmpereCircuit

455
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Parking lights (vehicles with halogen headlights)
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Back-up lights
Open the trunk door and remove
the trunk panel cover clips.
STEP1
STEP2
STEP3
STEP1

456
4-3. Do-it-yourself maintenance
Partly remove the trunk panel
cover and turn the bulb base coun-
terclockwise.
Remove the light bulb.
■ Rear turn signal lights
Open the trunk door and remove
the cover.
Turn the bulb base counterclock-
wise.STEP2
STEP3
STEP1
STEP2

490
5-2. Steps to take in an emergency
Once
(Vehicles with an auto-matic transmission)
Indicates that a
door has been
opened or closed
and the “ENGINE
START STOP”
switch has been
switched twice to
ACCESSORY
mode from OFF.
Press the
“ENGINE START
STOP” switch
while applying the
brakes.
Once
(Vehicles with a manual transmission)
Indicates that a
door has been
opened or closed
and the “ENGINE
START STOP”
switch has been
switched twice to
ACCESSORY
mode from OFF.
Press the
“ENGINE START
STOP” switch
while depressing
the clutch pedal.

(Flashing)
Indicates that the
steering lock has
not released
within 3 seconds
of pressing the
“ENGINE START
STOP” switch.Press the
“ENGINE START
STOP” switch
again while turn-
ing the steering
wheel with the
brake pedal
depressed.
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
505
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Use the mechanical key built in to the electronic keys to operate the
doors. (P. 2 9 )
Doors Remove the cover on the driver’s
door handle.
Locks all the doors
Closes the windows and moon
roof (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
If communication between the electron ic key and vehicle is interrupted
(  P. 37) or the electronic key canno t be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In su ch cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.
STEP1
STEP2

553
6
Vehicle specifications
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart access
system with
push-button
start
(
P. 3 3 )
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer)OnOff
Wireless
remote con-
trol
(
P. 4 5 )
Unlocking operation
Driver's door
unlocked in one
step, all doors
unlocked in two
steps
All doors
unlocked in one
step
Automatic door lock
function to be activated if
door is not opened after
being unlocked
OnOff
Your vehicle includes a variety of elec tronic features that can be personal-
ized to your preferences. Programming these preferences requires spe-
cialized equipment and may be performed by an authorized Lexus
dealership.
Some function settings are changed simultaneously with other functions
being customized. Contact your Lexus dealer for further details.

554
6-2. Customization
Wireless
remote con-
trol
(
P. 4 5 )
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers)OnOff
Operation signal
(Buzzer) OnOff
Door lock buzzerOnOff
Trunk unlocking functionOnOff
Trunk unlocking operationPush and holdPush twice
One short push
Panic functionOnOff
ItemFunctionDefault settingCustomizedsetting