check engine LEXUS LS430 2006 Owner's Guide

5
When trouble arises
357
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 comp onents when the vehicle runs at a low
speed for an extended period, such as in heavy traffic, etc.
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
ga

s 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 part other than the intended terminal.
• Do not allow the booster cables to come into cont
act with the + and - terminals.
• Do not generate a flame near the battery b
y using a match, cigarette lighter, or
smoking.
■Battery precautions
The battery contains poisonous and corrosive electrolyte, while related parts con -
tain lead and lead compounds. 
Observe the following precautions when handling the battery.
• Do not lean over the battery
• When working with the battery, always we ar safety glas
ses and take care not to
allow any battery fluids (acid) to come into contact with skin, clothing or the
vehicle body.
• In the event that battery fluid comes into co
ntact with the skin or eyes, immedi-
ately wash the affected area with water and seek medical attention. Place a wet
sp
onge or cloth over the affected area until medical attention can be received.
• Always wash your hands after ha
ndling battery-related parts.
• Do not allow children near the battery.
Once the engine starts, have the vehicle checked at your Lexus dealer as
soon as possible.

5
When trouble arises
359
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats
Stop the vehicle in a safe place and turn off the automatic climate
control.
Check to see if steam is coming out from under the hood.
If you see steam: 
Stop the engine.
If you do not see steam: 
Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating: 
Wait until the temperature of the engine (shown in the instrument clus -
ter) begins to fall and then stop the engine.
If the fan is not operating: 
Stop the engine and call your local Lexus dealer.
After the engine has cooled down
sufficiently, check the level of
engine coolant and inspect the
radiator core (radiator) for any
leaks.

394
Alphabetical index
Driving position memory ......................25
Dynamic radar/laser 
cruise control ....................................... 129
ECT Pattern select switch ......................... 99
Electronically modulated 
air suspension ...................................... 138
Engine Compartment ..................................... 262
Hood........................................................ 260
How to start the engine..................... 94
If your vehicle will not start............ 353
Ignition switch......................................... 94
Malfunction indicator lamp........... 330
Engine coolant Capacity ................................................. 367
Checking ............................................... 268
Preparing and checking 
before winter ......................................149
Engine coolant temperature 
gauge....................................................... 103
Engine immobilizer system.................. 54
Engine oil Capacity ................................................. 366
Checking ............................................... 263
Preparing and checking 
before winter ......................................149
Event data recorder ............................ 326
First-aid kit net........................................ 227
Fog lights Switch .......................................................... 113
Wattage.................................................. 372
Floor lights ................................................ 198Floor mats ................................................
224
Fluid Brake ........................................................ 270
Power steering .................................... 272
Washer.................................................... 277
Front passenger's seat
belt 
reminder light ..................................... 332
Front seats Adjustment ............................................... 22
Fuel Capacity ................................................ 366
Fuel gauge .............................................. 103
Information ............................................ 373
Low fuel level warning light ........... 331
Refueling ..................................................... 51
Fuel filler door ............................................. 51
Fuel pump shut off system................. 325
Fuses Blade ...................................................... 298
Cartridge............................................... 309
Gas station information ..................... 402
Garage door opener .......................... 232
Gauge and meter.................................. 103
Glove box ................................................ 202
Glove compartment light Wattage .................................................. 372
Graphic information ............................ 109
Head restraints Adjusting..................................................... 31
Headlight aim ............................................ 311
Headlight cleaner.................................... 117
Headlights Operation ................................................. 110
E
F
G
H

398
Alphabetical index
Sub key............................................................2
Sun shade (moon roof) .......................... 48
Sun shades Rear power sunshade ..................... 225
Manual sunshade .............................. 225
Sun visors ................................................ 208
Switch ECT pattern select ............................... 99
Fog light switch ....................................... 113
Ignition switch......................................... 94
Light switches ......................................... 110
Power door lock switch ...................... 15
Power window switch ........................ 45
Window lock switch ........................... 45
Tachometer .............................................. 103
Tail lights Wattage.................................................. 372
Theft deterrent system Alarm .......................................................... 55
Engine immobilizer 
system ..................................................... 54
Theft prevention labels .......................... 57
Tire inflation pressure ......................... 283
Tires Chains ...................................................... 150
Checking ............................................... 278
If you have a flat tire .......................... 347
Inflation pressure................................ 283
Information............................................ 376
Replacing ............................................... 347
Rotating tires ........................................ 278
Size ........................................................... 370
Snow tires ................................................. 151
Tools ........................................................... 347Total load capacity ................................
148
Towing Dinghy towing ...................................... 160
Emergency towing ............................. 321
Trailer towing ........................................ 152
TRAC (traction control) Traction control.................................... 140
Warning message ............................ 334
Trip meter ................................................ 103
Trunk Cool box ................................................ 229
Opener ....................................................... 19
Trunk-lid closer ...................................... 20
Trunk storage extension ................ 228
Trunk light Wattage .................................................. 372
Turn signal lights Replacing light bulbs ......................... 314
Switch .......................................................... 101
Wattage .................................................. 372
Under-dash lights Wattage .................................................. 372
Vanity lights Vanity lights.......................................... 209
Wattage .................................................. 372
Vanity mirrors ........................................ 209
Vehicle identification number......... 365
Vehicle load capacity .......................... 148
VSC (Vehicle Stability Control) Vehicle stability control.................... 140
Warning message ............................ 334
T
U
V