2007 Lexus GX470 immobilizer

TABLE OF CONTENTSIndex
ii
1-1. Key information .............................. 2Keys ......................................................... 2
1-2. Opening, closing and locking the doors......................................... 4
Wireless remote control ................. 4
Side doors ............................................. 6
Back door .............................................. 11
1-3. Adjustable components ............. 13 Front seats ........................................... 13
Rear seats ............................................ 15
Driving position memory system ............................................... 24
Head restraints................................. 26
Seat belts ............................................ 28
Steering wheel.................................. 35
Inside rear view mirror.................. 36
Outside rear view mirrors ........... 37
Roof luggage carrier ..................... 39
1-4. Opening and closing the windows and moon roof ........... 41
Power windows................................. 41
Moon roof .......................................... 43
1-5. Refueling ........................................ 46 Opening the fuel tank cap........... 46 1-6. Theft deterrent system............... 49
Engine immobilizer system ......... 49
Alarm..................................................... 51
Theft prevention labels (U.S.A.) ............................................. 53
1-7. Safety information ....................... 54 Correct driving posture ............... 54
SRS airbags ....................................... 56
Front passenger occupant classification system .................... 69
Child restraint sy stems ................. 74
Installing child restraints ............... 77
2-1. Driving procedures.................... 88 Driving the vehicle ......................... 88
Starting the engine ......................... 95
Automatic transmission................ 98
Turn signal lever.............................. 101
Parking brake ................................. 102
2-2. Instrument cluster ..................... 103 Gauges and meters ..................... 103
Indicators and warning lights................................................. 105
Trip information display .............. 108
1Before driving
2When driving

Before driving1
1
1-1. Key information............................ 2Keys....................................................... 2
1-2. Opening, closing and locking the doors ...................................... 4
Wireless remote control............... 4
Side doors .......................................... 6
Back door ........................................... 11
1-3. Adjustable components ........... 13 Front seats ........................................ 13
Rear seats ......................................... 15
Driving position memory system ............................................ 24
Head restraints.............................. 26
Seat belts ......................................... 28
Steering wheel............................... 35
Inside rear view mirror ............... 36
Outside rear view mirrors ........ 37
Roof luggage carrier................... 39 1-4. Opening and closing the
windows and moon roof ........ 41
Power windows ............................... 41
Moon roof ....................................... 43
1-5. Refueling ..................................... 46 Opening the fuel tank cap ....... 46
1-6. Theft deterrent system............ 49 Engine immobilizer system ...... 49
Alarm .................................................. 51
Theft prevention labels (U.S.A.) .......................................... 53
1-7. Safety information .................... 54 Correct driving posture ............ 54
SRS airbags .................................... 56
Front passenger occupant classification system................. 69
Child restraint systems ............... 74
Installing child restraints ............. 77

49
1
Before driving
1-6. Theft deterrent system
Engine immobilizer system
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object.
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle.
■Certifications for the engine immobilizer system For vehicles sold in the U.S.A.
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must a ccept any interference, including interfer-
ence that may cause undesired operation of the device.
The vehicle's keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle's
on-board computer.
The indicator light flashes after
the ignition switch has been
turned to the “LOCK” position
to indicate that the system is
operating.
FCC ID: MOZRI-20BTY

50
1-6. Theft deterrent system
CAUTION
■Certifications for the engine immobilizer system
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
■For proper system operation
Do not modify, remove or disable the engine immobilizer system. If any unautho-
rized changes or modifications are made, the proper operation of the system can-
not be guaranteed.

96
2-1. Driving procedures
■Steering lock release
■Starting the engine using the flat keyPut the key case away when the security indicator light goes out. This
means the engine immobilizer system has turned off.
Start the engine within 60 seconds after the security indicator light goes
off.
■Leak detection pump
Several hours after the engine is turned off, you may hear a sound coming from
underneath the luggage compartment for several minutes. This is normal operation
and does not indicate a malfunction.
When starting the engine, the ignition switch
may seem stuck in the “LOCK” position. To
free it, turn the ignition key while turning the
steering wheel slightly in either direction.
Remove the flat key from its case. Insert the
key into the ignition switch.STEP1
Bring the key case close to the ignition switch
within 10 seconds as indicated by an arrow.STEP2
STEP3
STEP4

5
When trouble arises
367
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
P. 95), consider each of the following points.
■The engine will not start even when the starter motor operates
normally
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 9 5 )
● There may be a malfunction in the engine immobilizer system.
( P. 4 9 )
■ The starter motor turns over slowly, interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume
One of the following may be the cause of the problem.
●The battery may be discharged. ( P. 370)
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over, interior lights and headlights
do not turn on, or the horn does not sound
One of the following may be the cause of the problem.
●One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 370)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

408
Alphabetical index
Electronic modulated suspension .. 129
Emergency, in case ofIf a warning light turns on .............. 347
If the engine will not start........................................................ 367
If the shift lever cannot be shifted from P ...................................368
If the vehicle battery is discharged ....................................... 370
If you have a flat tire .........................356
If you lose your keys.........................369
If you think something is wrong ................................................... 343
If your vehicle becomes stuck..... 375
If your vehicle needs to be towed ...................................................338
If your vehicle overheats ................ 373
Engine Compartment ..................................... 287
Hood........................................................286
How to start the engine..................... 95
If the engine will not start........................................................ 367
Overheating......................................... 373
Engine compartment cover ............ 288
Engine coolant temperature gauge....................................................... 103
Engine coolant Capacity ................................................. 382
Checking ............................................... 294
Preparing and checking before winter ......................................146
Engine immobilizer system.................. 49 Engine oil
Capacity .................................................. 381
Checking............................................... 289
Preparing and checking before winter...................................... 146
Engine oil maintenance data ........... 292
Event data recorder ............................ 345
First-aid kit storage belt ..................... 246
Flat key .............................................................2
Floor mats ................................................ 244
Fluid Brake ....................................................... 296
Power steering ....................................297
Washer..................................................... 301
Fog lights Switch .......................................................... 113
Wattage ................................................. 386
Foot light .................................................. 225
Front passenger's seat belt
reminder light ...................................... 351
Front passenger occupant classification system ............................ 69
Front seats Adjustment ................................................ 13
Driving position memory .................. 24
Front turn signal lights Wattage ................................................. 386
Fuel Capacity ................................................380
Fuel gauge .............................................. 103
Gas station information ................... 416
Information ........................................... 387
Refueling ....................................................46
Fuel filler door ........................................... 46
Fuses ............................................................321E
F

414
What to do if...
What to do if...
A tire puncturesP. 3 5 6If you have a flat tire
The engine does not start
P. 4 9Engine immobilizer system
P. 3 6 7If the engine will not start
P. 3 7 0If the battery is discharged
The shift lever cannot be
moved outP. 3 6 8If 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 7 3If your vehicle overheats
The key is lostP. 3 6 9If you lose your keys
The battery is dischargedP. 3 7 0If the vehicle has a discharged battery
The doors cannot be lockedP. 6Doors
The horn begins to soundP. 5 1Alarm
The vehicle is stuck in mud or
sandP. 3 7 5If the vehicle becomes stuck