2006 Lexus IS250 key battery

364
5-2. Steps to take in an emergency
Starting the engineFor vehicles with an automatic tr ansmission: Put the shift lever in P
and apply the brakes.
For vehicles with a manual transmission: Depress the clutch
pedal.
Hold the electronic key close to
the engine switch (within 0.4 in.
[10 mm]). Make sure that the but-
ton side of the key is facing away
from the engine switch.
An alarm will sound to indicate that
the start function cannot detect the
key with the depleted battery if any
of the doors will be opened and
closed while this operation.
For vehicles with an automati c transmission: Press the engine
switch within 5 seconds [after the buzzer sounds], keeping the
brake pedal depressed.
For vehicles with a manual tra nsmission: Press the engine switch
within 5 seconds [after the buzzer 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
365
5-2. Steps to take in an emergency
■Replacing the key battery
As this procedure is the temporary measure, it is recommended that the electronic
battery be replaced immediately. (P. 2 9 7 )

380
6-1. Specifications
Electrical system
Differential
Battery
Open voltage at
68F (20 C):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
key is removed with all the lights turned
off)
Charging rates5A max.
Oil capacity
Front0.74 qt. (0.70 L, 0.61 lmp.qt.)
Rear
IS350:
1.42 qt. (1.35 L, 1.19 lmp.qt.)
IS250 (2WD models): 1.20 qt. (1.15 L, 1.01 lmp.qt.)
IS250 (AWD models): 1.10 qt. (1.05 L, 0.92 lmp.qt.)
Oil type and
viscosity
IS250 (AWD)
Hypoid gear oil API GL-5 Above 0 F (-18 C): SAE90
Below 0 F (-18 C): SAE80W
or SAE80W-90
Others
Toyota Genuine Differential
Gear Oil LT 75W-85 GL-5,
Toyota Genuine Differential
Synthetic Gear Oil or equivalent

409
Alphabetical index
Cargo capacity ....................................... 152
Cargo hooks ...........................................234
CD changer .............................................185
CD player..................................................185
Chains ......................................................... 156
Child restraint system (CRS)Booster seats, definition..................... 72
Booster seats, installation ..................76
Convertible seats, definition ............ 72
Convertible seats, installation .........76
Infant seats, definition .......................... 72
Infant seats, installation........................76
Installing CRS with lower anchorages ...........................................79
Installing CRS with seatbelts ...........76
Installing CRS with top straps ........ 80
Child safety Airbag precautions ..............................67
Battery precautions .............. 277, 368
Child restraint system ......................... 72
Child-protectors................................... 20
How your child should wear the seatbelt ............................................ 37
Installing child restraints .....................75
Moon roof precautions ..................... 50
Power window lock switch ............. 45
Power window precautions............. 47
Removed electronic key battery precautions ....................................... 298
Seat belt comfort guide..................... 35
Seat belt extender precautions ..... 39
Seat belt precautions.......................... 38
Seat heater precautions ...... 225, 227
Trunk precautions .................................25
Child-protectors ..................................... 20
Cigarette lighter ....................................222 Cleaning
Exterior....................................................248
Interior .................................................... 250
Seat belts ................................................. 251
Clock ...........................................................217
Coat hooks .............................................. 232
Compass .................................................. 242
Condenser .............................................. 274
Console box ............................................ 210
Cooling system Engine overheating.......................... 369
Cornering assist sensors .................... 138
Cruise control Cruise control........................................126
Dynamic radar cruise control........129
Cup holder ................................................212
Curtain shield airbags..............................61
Customizable features ...................... 400
Daytime running light system .............119
Defogger Rear window ..........................................174
Side mirror...............................................174
Dimension................................................ 374
Dinghy towing ............................... 162, 163
Display Dynamic radar cruise control........129
Satellite switch mode ........................ 218
Trip information ..................................... 115
Warning message ............................ 338
Do-it-yourself maintenance .............259
Door courtesy lights Door courtesy lights ........................ 205
Wattage ................................................. 388
Door pockets........................................... 213
D

410
Alphabetical index
DoorsDoor glasses ........................................... 45
Door lock.................................................... 19
Side mirrors ............................................. 43
Driver's seat belt reminder light .....335
Driving Correct posture .................................... 59
Procedures .............................................. 86
Driving position memory ......................28
Electric power steering (EPS).......... 144
Electronic key If your electronic key battery is discharged .................................... 363
Emergency, in case of If the engine will not start ...............360
If the shift lever cannot be shifted from P .....................................361
If the vehicle has discharged battery ..................................................366
If the warning buzzer sounds ...... 333
If the warning light turns on .......... 333
If the warning message is
displayed ............................................338
If you have a flat tire ......................... 352
If you lose your keys......................... 362
If you think something is wrong ................................................... 329
If your electronic key battery is discharged .................................... 363
If your vehicle becomes stuck....... 371
If your vehicle needs to be towed ................................................... 322
If your vehicle overheats ................369
Engine Compartment ..................................... 265 Engine switch ..........................................94
Hood ........................................................262
How to start the engine .....................94
Identification number .......................375
If the engine will not start ............... 360
Overheating ........................................ 369
Engine compartment cover ............. 267
Engine coolant Capacity .................................................379
Checking................................................ 272
Preparing and checking before winter...................................... 156
Engine coolant temperature gauge ...................................................... 105
Engine immobilizer system ................. 54
Engine oil Capacity ................................................ 378
Checking............................................... 268
Preparing and checking before winter...................................... 156
Engine oil maintenance data ............. 271
EPS (Electric power steering) ..........144
Event data recorder ..............................331
First-aid kit storage belt ..................... 234
Floor mat .................................................. 233
Fluid Brake ........................................................ 274
Washer....................................................278
Fog lights Switch .......................................................... 121
Wattage .................................................388
Foot well lighting................................... 205
Front fog lights Switch .......................................................... 121
Wattage .................................................388
E
F

411
Alphabetical index
Front passenger's seat belt reminder light ..................................... 335
Front seats Adjustment ...............................................26
Driving position memory ................. 28
Seat position memory .......................... 31
Front turn signal lights Wattage .................................................388
Fuel Capacity.................................................. 377
Fuel gauge ............................................. 105
Fuel pump shut off system ............ 330
Gas station information ................... 419
Information............................................ 389
Refueling ..................................................... 51
Fuel filler door............................................. 51
Fuel pump shut off system ................ 330
Fuses.......................................................... 299
Garage door opener........................... 237
Gas station information ....................... 419
Gauges.......................................................105
Glove box ............................................... 209
Glove box light........................................ 210
Head restraints Adjusting ..................................................33
Headlight aim .......................................... 313
Headlight cleaner .................................. 125
Headlights Discharge headlights precautions ....................................... 320
Replacing light bulbs ......................... 314
Switch ......................................................... 118
Wattage .................................................388 Heaters
Seat heaters .............................. 224, 226
Side mirror...............................................174
Hill-start assist control ......................... 144
Hood .......................................................... 262
Hooks Cargo ...................................................... 234
Coat.......................................................... 232
Shopping bag ...................................... 234
I/M test......................................................258
Identification Engine......................................................375
Vehicle ....................................................375
Illuminated entry system ....................206
Indicator lights............................................ 111
Initialization Items to initialize ................................ 404
Inside rear view mirror .......................... 42
Interior lights Interior lights ........................................ 205
Switch.......................................................207
Wattage ................................................. 388
Jack Positioning the jack ...........................263
Replacing the wheel .........................352
Jack handle.............................................. 352
Keys Electronic key .............................................2
Engine switch .......................................... 94
If you lose your keys .........................362
If your electronic key battery is discharged.....................................363
Key number .................................................2
G
H
I
J
K

413
Alphabetical index
Power outlet ............................................223
Power windows.........................................45
Pre-collision system (PCS) ................ 149
Radar cruise control ............................. 129
Radiator..................................................... 274
Radio................................................................ 178
RDS (Radio data system).................... 179
Rear sunshade ........................................229
Rear turn signal lights Replacing light bulbs ......................... 314
Wattage .................................................388
Rear view mirror Compass ................................................242
Rear window defogger ........................ 174
Replacing Electronic key battery ......................297
Fuses ........................................................ 299
Light bulbs .............................................. 314
Reporting safety defects for U.S.A. owners .................................... 406
Scuff lighting........................................... 205
Seat belts Adjusting the seat belt ....................... 35
Automatic Locking Retractor (ALR) ...................................................... 36
Child restraint system installation ..............................................75
Cleaning and maintaining the seat belts....................................... 251
Emergency Locking Retractor (ELR) ....................................................... 36
How to wear your seat belt..............34
How your child should wear the seat belt........................................... 37 Pregnant women,
proper seat belt use ......................... 36
Reminder light .................................... 335
Seat belt extenders .............................. 37
Seat belt pretensioners ...................... 35
Seat heaters ................................. 224, 226
Seat position memory ............................. 31
Seat ventilators ...................................... 226
Seating capacity ..................................... 155
Seats Child seats/child restraint system installation.............................. 75
Cleaning ................................................ 250
Driving position memory .................. 28
Front passenger seat position memory ....................................................31
Head restraint ......................................... 33
Properly sitting in the seat ................59
Seat adjustment ..................................... 26
Seat adjustment precautions........... 27
Seat heaters .............................. 224, 226
Ventilated seats .................................. 226
Service reminder indicators ................ 111
Shift lever Automatic transmission ..................... 97
If the shift lever cannot be shifted from P .................................... 361
Manual transmission ........................... 101
Shift lever lighting .................................205
Shift lock system ..................................... 361
Shopping bag hooks............................ 234
Side airbags..................................................61
Side marker lights Switch.......................................................... 118
Side mirror Adjusting and folding.......................... 43
Driving position memory .................. 28
R
S

417
What to do if...
What to do if...
A tire puncturesP. 3 5 2If you have a flat tire
The engine does not start
P. 3 6 0If the engine will not start
P. 5 4Engine immobilizer system
P. 3 6 3If the battery is discharged
The shift lever cannot be
moved outP. 3 6 1If 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 6 9If your vehicle overheats
The key is lostP. 3 6 2If you lose your keys
The battery runs outP. 3 6 6If the battery is discharged
The doors cannot be lockedP. 1 9Doors
The horn begins to soundP. 5 6Alarm
The vehicle is stuck in mud or
sandP. 3 7 1If the vehicle becomes stuck