2009 Lexus IS F alarm

73
1
1-6. Theft deterrent system
Before driving
08_IS F_U_(L/O_0808)
Alarm
The system sounds the alarm and flashes lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
●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 with the alarm being set.
● The hood is opened with the alarm being set.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors using
the entry function, wireless
remote door lock function or
mechanical key.
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. (The alarm will be deactivated or stopped
after a few seconds.)

74
1-6. Theft deterrent system
08_IS F_U_(L/O_0808)
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following.
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■Pa n ic m o d e
■Triggering of the alarm
The alarm may be triggered in the following situations.
Stopping the alarm deactivates the alarm system.
●A person inside the vehicle opens a door, the trunk or hood.
●The battery is recharged or replaced when the vehicle is locked.
■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.When is pushed for longer than about
one second, an alarm will sound for about 60
seconds and the vehicle lights will flash to
deter any person from trying to break into or
damage your vehicle.
To stop the alarm, push any button on the
wireless remote control.

162
2-4. Using other driving systems
08_IS F_U_(L/O_0808)
CAUTION
■When the radar sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles are in
front of you.
As the sensor may not be able to correctly detect these types of vehicles, the prox-
imity alarm (→P. 365) will not be activated, and an accident may result.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving
●Vehicles with small rear ends (trailers with no load on board etc.)
●Motorcycles traveling in the same lane
■Conditions under which the vehicle-to-vehicle distance control may not function
correctly
Apply the brakes as necessary in the following conditions as the radar sensor may
not be able to correctly detect vehicles ahead, and an accident may result.
●When water or snow thrown up by the surrounding vehicles hinders the function-
ing of the sensor
●When your vehicle is pointing upwards (caused by a heavy load in the trunk, etc.)
●When the road curves or when the lanes are narrow
●When steering wheel operation or your position in the lane is unstable
■To ensure the radar sensor functions correctly
Do not do the following to the sensor or grille cover as doing so may cause the sen-
sor not to function correctly and could result in an accident.
●Stick or attach anything to them
●Leave them dirty
●Disassemble, or subject them to strong shocks
●Modify or paint them
●Replace them with non-genuine parts

392
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)Tr u n k
Turn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the engine
Shift 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.
STEP1
STEP2

442
08_IS F_U_(L/O_0808)
Alphabetical index
Alphabetical index
A/C ............................................................. 190
ABS.............................................................. 169
ACCESSORY mode ............................ 116
AFS .............................................................. 143
Adaptive front lighting system ......... 143
Air conditioning filter ........................... 317
Air conditioning systemAir conditioning filter ......................... 317
Automatic air conditioning system ................................................... 190
Airbags Airbag operating conditions...........80
Airbag precautions for your child.......................................................... 84
Airbag warning light ........................356
Curtain shield airbag operating conditions................................................ 81
Curtain shield airbag
precautions .......................................... 84
Front passenger occupant
classification system......................... 89
General airbag precautions ........... 84
Locations of airbags............................ 78
Modification and disposal of airbags ....................................................88
Proper driving posture ............. 76, 84
Side airbag operating conditions................................................ 81
Side airbag precautions .................... 84
SRS airbags ............................................. 78 Alarm............................................................ 73
Antenna .................................................... 206
Anti-lock brake system ........................169
Armrest .................................................... 248
Ashtrays.................................................... 243
Audio input.............................................. 224
Audio system
Antenna.................................................. 206
Audio input............................................ 224
Audio visual input............................... 224
AUX adapter ....................................... 224
CD player/changer ......................... 209
MP3/WMA disc................................. 215
Optimal use ............................................221
Portable music player ...................... 224
Radio ....................................................... 202
Steering wheel audio switch.........225
Audio visual input ................................. 224
Automatic air conditioning system ..................................................... 190
Automatic headlight leveling system ......................................................144
Automatic light control system.........142
Automatic transmission Automatic transmission ................... 120
If the shift lever cannot be shifted from P................................... 389
M mode ................................................... 124
AUX adapter ......................................... 224A

450
Alphabetical index
08_IS F_U_(L/O_0808)
Tachometer....................................................131
Tail lights
Switch ........................................................ 142
Talk switch*
Telephone switch*
Theft deterrent system
Alarm ...........................................................73
Engine immobilizer system ............... 71
Theft prevention labels .......................... 75
Tire inflation pressure ............................311
Tire information Glossary................................................... 421
Size ............................................................ 418
Tire identification number .............. 418
Uniform tire quality grading ...........419
Tires
Chains ...................................................... 184
Checking .............................................. 300
If you have a flat tire.......................... 379
Inflation pressure....................................311
Inflation pressure sensor............... 300
Information..............................................416
Replacing............................................... 379
Rotating tires ........................................305
Size ...............................................................411
Snow tires ............................................... 184
Tools ........................................................... 379
Total load capacity ................................ 183
Towing Dinghy towing .......................................187
Emergency towing ........................... 345
Trailer towing........................................ 186 TRAC ..........................................................169
Traction control.......................................169
Transmission shift switches....... 122, 124
Trip meter ................................................... 131
Trunk
Extending a space .............................249
Opener ........................................................41
Trunk light
Trunk light ................................................. 42
Wattage ................................................... 412
Turn signal lights Replacing light bulbs ....................... 338
Switch........................................................ 128
Wattage ................................................... 412
Vanity lights Vanity lights.......................................... 238
Wattage ................................................... 412
Vanity mirrors ........................................ 238
VDIM...........................................................169
Vehicle dynamics integrated management .........................................169
Vehicle identification number ......... 403
Vehicle stability control .......................169
VSC .............................................................169T
V

453
08_IS F_U_(L/O_0808)
What to do if...
What to do if...
A tire puncturesP. 3 7 9If you have a flat tire
The engine does not start
P. 3 8 8If the engine will not start
P. 7 1Engine immobilizer system
P. 3 9 4If the vehicle battery is discharged
The shift lever cannot be
moved outP. 3 8 9If 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. 3 9 7If your vehicle overheats
The key is lostP. 3 9 0If you lose your keys
The battery runs outP. 3 9 4If the vehicle battery is discharged
The doors cannot be lockedP. 3 7Doors
The horn begins to soundP. 7 3Alarm
The vehicle is stuck in mud or
sandP. 4 0 0If the vehicle becomes stuck