key Lexus IS350C 2012 Owner's Manual / LEXUS 2012 IS250C,IS350C (OM53A62U) Workshop Manual

5
When trouble arises
515
5-2. Steps to take in an emergency
Once3 times
(Vehicles with an auto-matic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed with the
shift lever in P, the
“ENGINE START
STOP” switch in
any mode other
than OFF and the
electronic key
outside of the
detection area.
Tu r n t h e
“ENGINE START
STOP” switch
OFF or confirm
the location of the
electronic key.
OnceCon-
tinuous
(Displayed alternately)
(Vehicles with an auto-matic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed (with the
shift lever out of in
P, the “ENGINE
START STOP”
switch in any
mode other than
OFF and the elec-
tronic key outside
of the detection
area).
• Shift the shift lever to P.
•Confirm the
location of the
electronic key.
Once
(Flashing)
Indicates that the
key battery is low.Replace the bat-
tery. ( P. 4 5 6 )
Interior
buzzerExterior buzzerMessageDetailsCorrection
procedure

5
When trouble arises
517
5-2. Steps to take in an emergency
*: If the engine does not start when the electronic key is inside the vehicle, theelectronic key battery may be depleted or there may be difficulties receiving the
signal from the key. ( P. 3 6 )
Once
(Vehicles with an auto-
matic transmission)Indicates that the
electronic key
does not operate
properly.
 P. 5 3 5

(Vehicles with an auto-
matic transmission)
Once
(Vehicles with a manual transmission)Indicates that the
electronic key
does not operate
properly.
P. 5 3 5

(Vehicles with a manual
transmission)
InteriorbuzzerExterior buzzerMessageDetailsCorrection
procedure

532
5-2. Steps to take in an emergency
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other
key and the key number stamped on your key number plate.

5
When trouble arises
533
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk
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 both side doors
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the passenger’s
door.
If communication between the electron ic key and vehicle is interrupted
(  P. 36) or the electronic key cannot 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

534
5-2. Steps to take in an emergency
After the operation is completed,
reinstall the cover.
Hook the upper claw of the cover
onto the upper catch on the vehi-
cle side, and then push on the
lower side of the cover.
Make sure that the lower claw of
the cover is securely fastened to
the lower catch on the vehicle side.
If the cover is not securely
attached, it may fall off while driv-
ing.
Tr u n k
Remove the cover using a
mechanical key.
Turn the mechanical key clock-
wise to open.
STEP3
STEP1
STEP2

5
When trouble arises
535
5-2. Steps to take in an emergency
Changing “ENGINE START STOP” switch modes and starting the engine
Automatic transmissionShift the shift lever to P and apply the brakes.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding , release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
( P. 1 4 8 )
To start the engine: Press th e “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
STEP1
STEP2
STEP3

536
5-2. Steps to take in an emergency
Manual transmissionShift the shift lever to N and depress the clutch pedal.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the clutch pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
( P. 1 4 8 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the clutch
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
STEP1
STEP2
STEP3

5
When trouble arises
537
5-2. Steps to take in an emergency
■Stopping the engine
For vehicles with an automatic transmission: Shift the shift lever to P and press the
“ENGINE START STOP” switch as you normally do when stopping the engine.
For vehicles with a manual transmission: Shift the shift lever to N position and press
the “ENGINE START STOP” switch as you normally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes. ( P. 4 5 6 )

597
6-2. Customization
6
Vehicle specifications
Door lock
(
P. 4 7 )
Unlocking using a key
Driver's door
unlocked in one
step, both side
doors unlocked
in two steps
Both side doors
unlocked in one step
Speed-detecting auto-
matic door lock function
(Manual transmissions)
OnOff
Speed-detecting auto-
matic door lock function
(Automatic transmissions)
OffOn
Opening driver's door
unlocks both side doors
(Manual transmissions)
OnOff
Opening driver's door
unlocks both side doors
(Automatic transmissions)
OffOn
Shifting gears to P
unlocks both side doorsOnOff
Shifting gears to position
other than P locks both
side doors
OnOff
Steering
wheel
(
P. 76 )
Auto tilt-away functionOnOff
ItemFunctionDefault settingCustomizedsetting

619
Alphabetical index
Back-up lightsWattage ..................................................577
Battery Checking ............................................... 433
If the vehicle has a discharged battery..................................................538
Preparing and checking before winter .................................... 238
Bluetooth
® audio* .............................. 309
Bluetooth® phone*............................. 328
Brake Fluid ............................................................ 431
Parking brake ........................................ 163
Brake assist ............................................... 219
Care Exterior ................................................... 402
Interior..................................................... 407
Seat belts ...............................................408
Cargo capacity ......................................234
Cargo hooks ............................................381
CD changer* ..........................................270
CD player* ..............................................270
Chains ....................................................... 238 Child restraint system
Booster seats, definition ...................124
Booster seats, installation ................. 131
Convertible seats, definition ...........124
Convertible seats, installation ......... 131
Front passenger occupant classification system ......................... 119
Infant seats, definition .........................124
Infant seats, installation ....................... 131
Installing CRS with LATCH anchors ..................................................129
Installing CRS with seat belts .......... 131
Installing CRS with top straps....... 134
Child safety Airbag precautions .............................. 114
Battery precautions ............. 435, 540
Child restraint system ........................124
How your child should wear the seat belt .......................................... 73
Installing child restraints................... 128
Power window lock switch ..............83
Power window precautions ........... 85
Removed electronic key battery precautions........................................ 457
Seat belt guide.......................................... 71
Seat belt extender precautions...... 75
Seat belt precautions .......................... 74
Seat heater precautions.................. 379
Trunk precautions................................. 53
B
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
C