2011 LEXUS RX350 stop start

7
Keys
nElectronic key
Smart access system with push-button start
(→P. 8 , 1 0 )
*: If equipped
nMechanical key
lLocks and unlocks the doors
lLocks 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.
nWireless remote control
Press: locks all doors
Press once: unlocks the driver's door
Press twice: unlocks all doors
Press and hold: Opens and closes the back
door
*
Press and hold: sounds the alarm

(Use the alarm to attract attention to the vehicle in
order to help deter break-ins. To stop the alarm,
press any button on the wireless remote control.)
*: If equipped
Card key*
1
2
3
4

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Theft Deterrent System
nEngine 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.
nAlarm
The system sounds the alarm and flashes lights when an attempt to steal the vehicle is
detected.
To set the alarm: close the doors and hood, and lock all doors. 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, start the engine, or unlock the doors.
nSteering lock
The steering wheel locks when the “ENGINE
START STOP” switch is turned 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, press the “ENGINE START STOP” switch
while gently turning the steering wheel left or
right.
The theft deterrent system includes the following features to help protect your vehicle
from theft.

10
Engine (Ignition) Switch
nStarting the engine
Make sure the parking brake is set 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.
nStopping the engine
Set the parking brake and shift the shift lever to P.
Press the “ENGINE START STOP” switch.
To change the “ENGINE START STOP” switch mode without turning on the engine, press
the “ENGINE START STOP” switch without depressing the brake pedal. The mode can be
changed in the following order:
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.
(The mechanical key cannot be used to start the engine.)
If the shift lever is in a position other than P when turning off the engine, the “ENGINE
START STOP” switch will be turned to ACCESSORY mode, not to OFF. To avoid unex-
pected battery discharge, make sure the lever is in the P poistion when stopping the engine.
ACCE SSORY modeIGNITION ON mode
(Indicator light: amber)
Off
(Indicator light: off)

What to do if ...
69
If the electronic key does not operate
properly
nUnlocking and locking the doors
To unlock or lock the vehicle, use the mechanical
key. (driver's door only) The mechanical key is
stored inside the electronic key.
Locks
Unlocks
nStarting the engine
Depress the brake pedal.
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 depressed.
*: If equipped
1
2
Card key*
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.

70
If the engine doesn't start
Make sure that the correct operating procedures have been followed.
Make sure that the brake pedal is firmly
depressed when attempting to start the engine.
Make sure that the steering wheel lock is
released.
To release it, press the “ENGINE START STOP”
switch while gently turning the wheel left or right.
Brake pedal
Steering wheel lock
If the engine still does not start, see the Owner's Manual for more information or contact
your Lexus dealer.

What to do if ...
71
Electronic Key Alarm
The electronic key alarm uses an alarm and warning messages to indicate that the electronic
key has been used improperly. Take appropriate measure in response to any warning mes-
sages that are displayed. In some cases, an alarm may sound without an accompanying
warning message. If so, follow the correction procedure in the table below.
AlarmSituationCorrection procedure
Exterior alarm sounds
once for 10 seconds.
An attempt was made to
lock the vehicle while a
door was open.
Close all of the doors and
lock the doors again.
Interior alarm pings
continuously.
The “ENGINE START
STOP” switch was turned
to ACCESSORY mode
while the driver's door was
open (or the driver's door
was opened while the
“ENGINE START STOP”
switch was in ACCES-
SORY mode).
Close the driver's door.
The “ENGINE START
STOP” switch was turned
off while the driver's door
was open.
Close the driver's door.

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2
3
4
5
6
7
5
4-1. Maintenance and care
Cleaning and protecting
the vehicle exterior................... 444
Cleaning and protecting
the vehicle interior .................... 447
4-2. Maintenance
Maintenance requirements .... 450
General maintenance ................ 452
Emission inspection and
maintenance (I/M)
programs ...................................... 456
4-3. Do-it-yourself maintenance
Do-it-yourself service
precautions .................................. 457
Hood.................................................. 460
Positioning a floor jack................ 461
Engine compartment.................. 463
Tires ................................................... 478
Tire inflation pressure ................. 487
Wheels............................................... 491
Air conditioning filter.................. 493
Electronic key battery ................ 496
Checking and replacing
fuses ............................................... 498
Headlight aim
(discharge headlights) ........... 509
Light bulbs .......................................... 511
5-1. Essential information
Emergency flashers .................... 524
If your vehicle needs to
be towed ....................................... 525
If you think something
is wrong .......................................... 531
Fuel pump shut off system ........ 532
Event data recorder.................... 533
5-2. Steps to take in an emergency
If a warning light turns
on or a warning buzzer
sounds... ....................................... 535
If a warning message is
displayed....................................... 545
If you have a flat tire..................... 564
If the engine will not start .......... 577
If the shift lever cannot be
shifted from P .............................. 579
If you lose your keys ................... 580
If the electronic key does
not operate properly ................ 581
If the battery is discharged ...... 584
If your vehicle overheats ........... 587
If the vehicle becomes
stuck............................................... 590
If your vehicle has to be
stopped in an
emergency .................................... 591
4Maintenance and care5When trouble arises

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1-2. Opening, closing and locking the doors
nEffective range (areas within which the electronic key is detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is
within about 2.3 ft. (0.7 m) of
an outside door handle. (Only
the doors detecting the key
can be operated.)
When starting the engine
or changing “ENGINE
START STOP” switch
modes
The system can be operated
when the electronic key is
inside the vehicle.
nOperation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Locked: Once; Unlocked: Twice)
nWhen the door cannot be locked by the lock sensor on the upper part of the door
handle
Touch both lock sensors on the upper and
lower part of the door handle simultaneously.