system Lexus IS F 2011 Owner's Manual

5
465
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the automatic
air conditioning system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Check to see if the cooling fans are operating.
If the fans are operating:
Wait until the temperature of the engine (shown on the
instrument cluster) begins to fall and then stop the
engine.
If the fans are not operating:
Stop the engine immediately and call any authorized
Lexus dealer or repairer, or another duly qualified and
equipped professional.
After the engine has cooled
down sufficiently, check the
engine coolant level and
inspect the radiator core
(radiator) for any leaks.
If the engine compartment
cover needs to be removed:
STEP1
STEP2
STEP3
STEP4

475
6-1. Specifications
6
Vehicle specifica-
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Lubrication system
*: The engine oil capacity is a reference quantity to be used when exchang-
ing. Warm up and turn off the engine, wait more than 5 minutes, and
check the oil level on the dipstick.
Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Lexus
recommends the use of approved “Toyota Genuine Motor Oil”.
Another motor oil of matching quality can also be used.
Oil grade:
5W-30 and 10W-30:
API grade SL “Energy-Conserving”, SM “Energy-Conserving”,
SN “Resource-Conserving” or ILSAC multigrade engine oil
15W-40 and 20W-50:
API grade SL, SM or SN multigrade engine oil
Oil capacity
(Drain and refill 
reference*)
without filter
with filter
8.2 L (8.7 qt., 7.2 Imp. qt.)
9.3 L (9.8 qt., 8.2 Imp. qt.)

477
6-1. Specifications
6
Vehicle specifica-
IS F_EEHow to read oil container labels:
Either or both API registered marks are added to some oil containers
to help you select the oil you should use.
API Service Symbol
Top portion: The oil quality des-
ignation by API (American
Petroleum Institute) (SN)
Center portion: The SAE vis-
cosity grade (SAE 5W-30)
Lower portion: “Resource-Con-
serving” means that the oil has
fuel saving and environmental
protection.
ILSAC Certification mark
The ILSAC (International
Lubricant Standardization and
Approval Committee) Certifica-
tion Mark is displayed on the
front of the container.
Cooling system
Capacity11.9 L (12.6 qt., 10.5 Imp. qt.)
Coolant type
Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.

478
6-1. Specifications
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Ignition system
Electrical system
Differential
*: Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil”
at the factory. Use Lexus approved “Toyota Genuine Differential Gear
Oil” or an equivalent of matching quality to satisfy the above specifica-
Spark plug
Make
GapDENSO FK20HBR11
1.1 mm (0.043 in.)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning the
engine.
Battery
Open voltage* at
20C (68F):12.6 12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(*: Voltage checked 20 minutes
after the engine and all the lights are
turned off)
Charging rates5 A max.
Oil capacity1.35 L (1.42 qt., 1.19 Imp. qt.)
Oil type and viscosity*Toyota Genuine Differential Gear
Oil LX 75W-85 GL-5 or equivalent

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6-1. Specifications
6
Vehicle specifica-
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NOTICE
Notice on fuel quality
Do not use improper fuels. If improper fuels are used the engine will be
damaged.
Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic
converters causing the emission control system to malfunction.
EU area: Bioethanol fuel sold under names such as “E50” or “E85” and
fuel containing a large amount of ethanol should not be used. The use of
these fuels will damage the vehicle's fuel system. In case of any doubt, ask
any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Except EU area: Bioethanol fuel sold under names such as “E50” or
“E85” and fuel containing a large amount of ethanol should not be used.
Your vehicle can use gasoline mixed with 10% max ethanol. The use of
fuel with more than 10% ethanol content (E10) will damage the vehicle’s
fuel system. You must ensure that refueling is carried out only from a
source where fuel specification and quality can be guaranteed. In case of
any doubt, ask any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.

486
6-2. Customization
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Power win-
dows
(P. 8 2 )
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote con-
trol linked operation Off
Open and close
Open only
Close only
Linked entry functionOnOff
Moon roof
(
P. 85)
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of
components when door
key is used
Slide onlyTilt only
Wireless remote con-
trol linked operation*Off
Open and close
Open only
Close only
Linked operation of
components when wire-
less remote control is
used
Off
Slide only
Tilt only
Linked entry functionOnOff
Automatic
light control
system
(P. 172)
Light sensor sensitivityLevel 3Level 1 to 5
ItemFunctionDefault settingCustomized
setting

Index
489
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Abbreviation list ....................... 490
Alphabetical index.................... 491
What to do if... ......................... 502
For vehicles with a navigation system, refer to the
“Navigation System Owner’s Manual” for informa-
tion regarding the equipment listed below.
• Navigation system
• Audio/video system
• Air conditioning
• Rear window and outside rear view mirror defogging
• Climate control
• Lexus parking assist-sensor

490
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Abbreviation list
Abbreviation/Acronym list
ABBREVIA-
TIONSMEANING
ABSAnti-lock Brake System
AI-SHIFTArtificial Intelligence Shift
CRSChild Restraint System
DISPDisplay
DRLDaytime running light system
ECTElectronic Controlled Transmission
ELREmergency Locking Retractor
EPSElectric Power Steering
LEDLight Emitting Diode
LSDLimited Slip Differential
PCSPre-Crash Safety system
SRSSupplemental Restraint System
TRCTraction Control
VDIMVehicle Dynamics Integrated Management
VINVehicle Identification Number
VSCVehicle Stability Control

491
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Alphabetical index
Alphabetical index
A/C* ..........................................228
ABS ...........................................206
ACCESSORY mode .................146
Air conditioning filter ...............386
Air conditioning system
Air conditioning filter ...........386
Automatic air conditioning
system.................................228
Airbags
Airbag manual ON/OFF
system.................................135
Airbag operating conditions .107
Airbag precautions for your
child....................................111
Airbag warning light ............426
Curtain shield airbag operating
conditions ...........................107
Curtain shield airbag
precautions .........................111
General airbag precautions ...111
Locations of airbags .............105
Modification and disposal of
airbags ................................115
Proper driving posture ..103, 111
Side airbag operating
conditions ...........................107
Side airbag precautions.........111
SRS airbags ..........................105Alarm .......................................... 97
Antenna* .................................. 244
Anti-lock brake system............. 206
Armrest ..................................... 341
Ashtrays .................................... 336
Audio input* ............................. 277
Audio system*
Antenna................................ 244
Audio input .......................... 277
AUX port ............................. 277
Bluetooth
® audio ................. 279
CD player/changer ............... 245
iPod ...................................... 260
MP3/WMA disc................... 252
Optimal use .......................... 275
Portable music player .......... 277
Radio.................................... 241
Steering wheel audio switch 278
USB memory ....................... 268
USB port ...................... 260, 268
Automatic air conditioning
system* .................................. 228
Automatic headlight leveling
system .................................... 174
Automatic light control system 172
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*: For vehicles with a navigation system, refer to the “Navigation System Owner’s

492
Alphabetical index
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Automatic transmission
Automatic transmission ........150
If the shift lever cannot be
shifted from P .....................456
M mode.................................155
AUX port* .................................277
Auxiliary box ............................329
Back-up lights
Replacing light bulbs ............407
Wattage .................................481
Battery
Checking ...............................374
If the vehicle has a discharged
battery.................................462
Preparing and checking before
winter .................................222
Bluetooth
® audio* .....................279
Bluetooth® phone* ....................300
Bottle holders ............................328
Brake
Parking brake ........................160
Brake assist................................206
Care
Exterior .................................350
Interior ..................................353
Seat belts...............................354
Cargo hooks ..............................347
CD changer*..............................245CD player* ............................... 245
Chains ....................................... 222
Child restraint system
Baby seats, definition .......... 116
Baby seats, installation ........ 124
Child seats, definition .......... 116
Child seats, installation ........ 124
Installing CRS with ISOFIX
rigid anchor ....................... 128
Installing CRS with seat belts....
125
Installing CRS with top straps ...
128
Junior seats, definition ......... 116
Junior seats, installation....... 124
Child safety
Airbag precautions............... 111
Battery precautions ...... 377, 464
Child restraint system .......... 116
Child-protectors ..................... 55
How your child should wear
the seat belt.......................... 73
Installing child restraints ..... 124
Moon roof precautions........... 88
Power window lock switch .... 82
Power window precautions.... 84
Removed electronic key battery
precautions ........................ 391
Seat belt comfort guide .......... 71
Seat belt precautions .............. 73
Seat heater precautions ........ 340
Trunk precautions .................. 61
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