2007 LEXUS LX470 check engine light

288
4-3. Do-it-yourself maintenance
■Checking the fluid level
Check the fluid level under the unloaded condition.
Start the engine and put the vehicle height in the “LO” (Low)
mode and then “N” (Normal) mode.
Turn off the ignition switch about 30 seconds after the “N” (Nor-
mal) mode indicator light comes on.
Make sure the fluid level is between “MAX” and “MIN”.
If the fluid level is lower than “MIN ”, have suspension fluid AHC filled by
your Lexus dealer.
Battery
■ Exterior
Make sure that the battery terminals ar e not corroded and that there are
no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
STEP1
STEP2
STEP3

5
When trouble arises
341
5-2. Steps to take in an emergency
*: Driver's seat belt reminder buzzer:
The driver’s seat belt reminder sounds to alert the driver that his or her seat belt
is not fastened. The buzzer sounds for about 4 to 8 seconds, unless the driver
fastens the belt.
Engine oil replacement
reminder light
Illuminates for about 3 sec-
onds and then flashes for
about 12 seconds: Indicates
that the engine oil is scheduled
to be changed.
Check and the engine oil, and
change if necessary.
Comes on and remains on:
Indicates that the engine oil
should be changed.Check and change the engine
oil.

5
When trouble arises
343
5-2. Steps to take in an emergency
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch does not turn off the tire pressure warning light.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural
air leaks or tire inflation pressure changes caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light.
■If the tire pressure warning system is inoperative
The tire pressure warning system may become inoperative in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters are used.
●If the ID code on the tire pressure warning valves and transmitters is not regis-
tered.
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If the tire pressure warning select switch is set to a different tire setting.
●If there is a lot of snow or ice on the vehicle, in particular around the wheels or
wheel housings.
●If non-genuine Lexus wheels are used.
●If tire chains are used.
●If the spare tire is in a location subject to poor radio wave signal reception.
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher.
■If the tire pressure warning light blinks
If the tire pressure warning light blinks when the ignition key is turned to the “ON”
position, have it checked by your Lexus dealer.
■Changing the engine oil (U.S.A. only)
Make sure to reset oil change system

5
When trouble arises
361
5-2. Steps to take in an emergency
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the battery is removed or discharged
The following systems must be initialized.
●Moon roof (P. 4 2 )
●Variable gear ratio steering (P. 144)
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any pa rt other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine sp eed of the second vehicle and start your
vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP3
STEP4

400
Alphabetical index
Driver's seat belt reminder light .....340
DrivingBreak-in tips ............................................ 89
Correct posture .................................... 52
Off-road precautions ........................146
Procedures ..............................................88
Winter driving tips.............................. 156
Driving position memory ........................21
Emergency, in case of If the engine will not start ............... 357
If the shift lever cannot be shifted from P ...................................358
If the battery is discharged ...........360
If the warning buzzer sounds ...... 337
If the warning light turns on .......... 337
If you have a flat tire ......................... 346
If you lose your keys.........................359
If you think something is wrong ................................................... 333
If your vehicle becomes stuck.....366
If your vehicle needs to be towed ................................................... 328
If your vehicle overheats ................ 363
Engine Compartment ..................................... 276
Hood........................................................ 275
How to start the engine..................... 95
Identification number.......................369
If the engine will not start ............... 357
Ignition switch......................................... 95
Overheating......................................... 363
Engine coolant Capacity ................................................. 372
Checking ............................................... 282 Preparing and checking
before winter...................................... 156
Engine coolant temperature gauge ...................................................... 104
Engine immobilizer system ..................47
Engine oil Capacity .................................................. 371
Checking................................................ 277
Preparing and checking before winter...................................... 156
Engine oil maintenance data ...........280
Event data recorder ............................ 335
First-aid kit holder ................................ 236
Floor mat .................................................. 234
Fluid Brake ....................................................... 284
Power steering ................................... 286
Suspension ............................................287
Washer..................................................... 291
Fog lights Switch .......................................................... 114
Wattage .................................................. 377
For-wheel drive system........................139
Front fog lights Switch .......................................................... 114
Wattage .................................................. 377
Front passenger's seat belt reminder light ..................................... 340
Front seats Adjustment .................................................12
Driving position memory ....................21
Front side marker light Wattage .................................................. 377
Front turn signal lights Wattage .................................................. 377
E
F

404
Alphabetical index
Storage feature....................................... 215
StuckIf your vehicle becomes stuck.....366
Sun visors .................................................. 221
Sunshade Roof ..............................................................42
Switch Driving mode select switch ........... 100
Fog light switch .......................................114
Ignition switch......................................... 95
Light switches ..........................................112
Power door lock switch ....................... 5
Power quarter window switch....... 40
Power window switch .........................37
Rear window wiper and washer switch ...................................................... 118
Window lock switch ........................... 38
Wipers and washer switch .............. 115
Tachometer Tachometer ........................................... 104
Tail lights Switch ..........................................................112
Wattage...................................................377
Theft deterrent system Alarm .......................................................... 49
Engine immobilizer system ..............47
Theft prevention labels ........................... 51
Tire inflation pressure .........................302
Tie-down hooks .....................................235
Tire information Glossary.................................................386
Size ...........................................................383
Tire identification number ............. 382
Uniform tire quality grading .........384 Tires
Chains....................................................... 156
Checking................................................292
If you have a flat tire ......................... 346
Inflation pressure ............................... 302
Information ............................................. 381
Pressure warning system ...............292
Replacing .............................................. 346
Rotating tires.........................................292
Size ............................................................376
Snow tires................................................ 156
Spare tire ............................................... 346
Tools........................................................... 346
Total load capacity ................................ 155
Towing Dinghy towing ...................................... 169
Emergency towing ........................... 328
Trailer towing ........................................160
TRAC (Active traction control) .......142
Trailer towing .......................................... 160
Trip information display ........................ 110
Trip meter ................................................. 104
Turn signal lights Switch ........................................................ 102
Wattage .................................................. 377
Valet key .........................................................2
Vanity lights Vanity lights........................................... 222
Wattage .................................................. 377
Vanity mirrors ........................................ 222
Vehicle identification number......... 369
VGRS (Variable gear ratio steering) ..................................................142
VSC (Vehicle stability control).........142
T
V

405
Alphabetical index
Warning buzzersBrake system ........................................337
Key reminder ....................................... 342
Open door .......................................... 339
Seat belt reminder ............................ 340
Warning lights Anti-lock brake system (ABS) ... 339
Automatic transmission fluid temperature ...................................... 339
Brake system ........................................337
Charging system ............................... 338
Engine oil replacement reminder .............................................. 341
Lexus night view system ................ 339
Low fuel level....................................... 340
Low washer fluid................................ 340
Malfunction indicator lamp .......... 338
Open door ........................................... 339
Seat belt reminder ............................ 340
SRS airbags .......................................... 338
Tire pressure........................................ 340
Unengaged “Park” ........................... 340
Variable gear ratio steering system.................................................. 339
Vehicle stability control system and active traction control
system.................................................. 339
Warning reflector holder.................. 235
Washer Checking ................................................. 291
Preparing and checking before winter ......................................156
Switch ..........................................................115
Washing and waxing .......................... 260 Weight
Cargo capacity ...................................... 151
Load limits .............................................. 155
Weight.................................................... 368
Wheels ......................................................306
Window glasses ...................................... 37
Window lock switch ...............................38
Windows Power quarter windows....................40
Power windows ..................................... 37
Rear window defogger.................... 182
Washer ...................................................... 115
Windshield wipers...................................115
Wireless remote control Replacing the battery...................... 309
Wireless remote control ...................... 3W