alarm LEXUS RX350 2011 User Guide

103
1
1-6. Theft deterrent system

Before driving
Alarm
The system sounds the alarm and flashes the lights when forcible entry is
detected.
nTriggering of the alarm
The alarm is triggered in the following situations when the alarm is
set:
lA locked door is unlocked or opened in any way other than using
the entry function, wireless remote control or mechanical key.
lThe hood is opened.
lSome models: The back door window is tapped or broken.
nSetting the alarm system
Close the doors and hood, and
lock all the 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.
nDeactivating or stopping the alarm
Do one of the following to deactivate or stop the alarms:
lUnlock the doors.
lTurn 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
nSystem maintenance
The vehicle has a maintenance-free type alarm system.
nItems to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following:
lNobody is in the vehicle.
lThe windows and moon roof are closed before the alarm is set.
lNo valuables or other personal items are left in the vehicle.
nTr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
nAlarm-operated door lock
lWhen the alarm is operating, the doors are locked automatically to prevent
intruders.
lDo 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.
lA person inside the vehicle opens a door
or the hood.
lThe battery is recharged or replaced when
the vehicle is locked.

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5-2. Steps to take in an emergency
Changing “ENGINE START STOP” switch modes and starting the engine
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the elec-
tronic key.
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 5 4 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds of the buzzer sounding, keeping the brake
pedal depressed.
In the event that the “ENGINE START STOP” switch still cannot be oper-
ated, contact your Lexus dealer.
STEP1
STEP2
STEP3

651
Alphabetical index
Alarm ..........................................................103
Anti-lock brake system........................ 231
Armrest ......................................................418
Audio input ..............................................337
Audio system
Audio input ............................................337
AUX port ...............................................337
CD player/changer ..........................297
iPod ............................................................ 317
MP3/WMA disc ............................... 307
Optimal use.......................................... 334
Portable audio device......................337
Radio........................................................ 287
Steering wheel audio switch........ 339
USB memory ...................................... 325
USB port................................................ 325
Automatic air conditioning system
Air conditioning filter........................493
Air conditioning system .................. 274
Automatic headlight leveling
system ..................................................... 188
Automatic high beam system ........... 189
Automatic light control system ........ 184
Automatic transmission
Automatic transmission ................... 159
If the shift lever cannot be
shifted from P ...................................579
S mode ....................................................... 161
AUX port ................................................. 337

662
Alphabetical index
Tachometer .............................................. 166
Tail lights
Replacing light bulbs..........................512
Switch ....................................................... 184
Wattage................................................. 605
Theft deterrent system
Alarm ........................................................ 103
Engine immobilizer system ............. 101
Tire inflation pressure ......................... 487
Tire information
Glossary.................................................. 615
Size ............................................................. 612
Tire identification number ................ 611
Uniform tire quality grading ...........613
Tires
Chains ..................................................... 254
Checking ............................................... 478
If you have a flat tire ..........................564
Inflation pressure................................ 487
Inflation pressure sensor................ 479
Information........................................... 609
Replacing ...............................................564
Rotating tires ........................................ 478
Size ...........................................................602
Snow tires .............................................. 254
Spare tire................................................565
Tire pressure warning
system ...................................... 479, 537
Tools ...........................................................564
Total load capacity ...............................253
Towing
Emergency towing ........................... 526
Trailer towing ...................................... 258
TRAC ..........................................................231
Traction control.......................................231
Trip information display ....................... 173
Trip meter ..................................................166
Turn signal lights
Replacing light bulbs ...........................511
Switch ........................................................ 163
Wattage ................................................. 605
USB port .................................................. 325
T
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What to do if...
What to do if...
A tire puncturesP. 5 6 4If you have a flat tire
The engine does not start
P. 5 7 7If the engine will not start
P. 1 0 1Engine immobilizer system
P. 5 8 4If the battery is discharged
The shift lever cannot be
moved outP. 5 7 9
If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 8 7If your vehicle overheats
The key is lostP. 5 8 0If you lose your keys
The battery runs outP. 5 8 4If the battery is discharged
The doors cannot be lockedP. 4 7Side doors
P. 5 0Back door
The horn begins to soundP. 1 0 3Alarm
The vehicle is stuck in mud or
sandP. 5 9 0If the vehicle becomes stuck