lights Lexus GX460 2010 Using The Bluetooth Audio System / LEXUS 2010 GX460 OWNERS MANUAL (OM60E69U)

698
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If a warning message is displayed
If a warning is shown on the instrument cluster, stay calm and perform the
following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
instrument cluster.
Multi-information display
Rear height control air sus-
pension display
If any of the warning lights comes on again after the following actions
have been performed, contact your Lexus dealer.

734
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
P. 179), consider each of the following points:
■The engine will not start even wh en 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. 
Refuel the vehicle.
● The engine may be flooded. 
Try to restart the engine once more following correct starting
procedures. ( P. 1 7 9 )
● There may be a malfunction in the engine immobilizer system. 
( P. 1 1 4 )
■ 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. 74 1 )
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open circuit or a blown fuse. However, an
interim measure is available to start the engine. ( P. 7 3 8 )

5
When trouble arises
735
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Emergency start function
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about 15
seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may
be malfunctioning. Have the vehicle inspected by your Lexus dealer.
■ 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. 74 1 )
● There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4

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5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors of your vehicle with the
“ENGINE START STOP” switch off.
Maintain the engine sp eed of the second vehicle and start the
engine of your vehicle by tu rning the “ENGINE START STOP”
switch to IGNITION ON mode.
Once your vehicle’s engine has 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
STEP5
STEP6

756
6-1. Specifications
GX460_U.S.A. (OM60E69U)
Electrical system
Front differential
*: “Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at factory fill. 
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details.
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 is checked 20 minutes after the
engine and all the lights are turned off.)
Charging rates5A max.
Oil capacity1.48 qt. (1.40 L, 1.23 Imp.qt.)
Oil type and viscosity*Toyota Genuine Differential 
Gear Oil LT 75W-85 GL5 or equivalent

761
6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Light bulbs
A: HB3 halogen bulbsB: D4S discharge bulbs
C: H11 halogen bulbs D: Wedge base bulb (amber)
E: Wedge base bulb (clear)
*:If equipped
Light bulbsBulb No.WTy p e
Exterior
Headlights
High beam
Low beam (discharge bulbs
*)
Low beam (halogen bulbs
*)
9005 
6035
55A B
C
Front turn signal lights74 4 021D
Parking/front side marker
lights5E
Front fog lights55C
Rear turn signal lights74 4 021D
Back-up lights92116E
Rear side marker lights5E
Running board lights5E
Interior
Personal/Interior lights Front
Rear

5
5E
E
Vanity lights8E
Door courtesy lights5E

789
6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Wireless
remote
control 
(
P. 4 8 )
REMOTE 
2-PRESS
UNLOCK
(Allows all
doors to be
unlocked by
pressing
on the elec-
tronic key once)
Driver’s
door
unlocked in
first step, all
doors
unlocked in
second step
All doors
unlocked in
first step
O–OO
Panic function OnOff–––O
Automatic
light con-
trol system 
(
P. 220)
HEADLIGHT
OFF TIME
ADJUSTMENT
(Adjust the time
elapsed before
the headlights
automatically
turn off)
30 seconds
Off
O–OO60 seconds
90 seconds
ItemFunctionDefault
settingCustomized setting

790
6-2. Customization
GX460_U.S.A. (OM60E69U)
Automatic
light con-
trol system 
(
P. 220)
LIGHT SEN-
SOR SENSI-
TIVITY
(Adjust the sen-
sitivity of the
ambient light
sensor)
Standard-2 to 2O–OO
DAYTIME
RUNNING
LIGHTS
(Daytime run-
ning lights can
be disabled)
*2
OnOffO–OO
Automatic high
beam system
*3OnOff–––O
Ti m e e l a p s e d
before head-
lights automati-
cally turn on or
off (When the
headlight switch
is in “AUTO”
position)
StandardLong–––O
ItemFunctionDefault
settingCustomized setting

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6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Illumination
(
P. 511)
INTERIOR
LIGHTS OFF
TIME ADJUST-
MENT
(Adjust the time
elapsed before
the interior
lights automati-
cally turn off)
15 seconds
Off
O–OO7. 5 s e c o n d s
30 seconds
EXT. LIGHTS
OFF TIME
ADJUSTMENT
(Adjust the time
elapsed before
the exterior illu-
mination auto-
matically turn
off)
15 seconds
Off
O–OO7. 5 s e c o n d s
30 seconds
ItemFunctionDefault settingCustomized setting

793
6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Illumination
(
P. 511)
Footwell light-
ingOnOff–––O
Running board
lightsOnOff–––O
Enable/disable
operation of the
running board
lights when the
doors are
unlocked with
the power door
lock switch
OnOff–––O
Enable/disable
operation of the
running board
lights when a
door is opened
OnOff–––O
ItemFunctionDefault
settingCustomized setting