2013 Lexus GX460 engine

110
1-4. Opening and closing the windows and moon roof
GX460_OM_OM60J63U_(U)
■Moon roof open reminder function
An alarm will sound when the driver’s door is opened with the moon roof not fully
closed and the “ENGINE START STOP” switch off.
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightlyStop the vehicle.
Press and hold “ ” on the .
*1
The moon roof will close, re-open and pause for approximately 10 sec-
onds.
*2 Then it will close again, tilt up and pause for approximately 1 sec-
ond. Finally, it will tilt down, open and close.
Check to make sure that the moon roof is completely closed and then
release the switch.
STEP1
STEP2
STEP3

113
1
Before driving
GX460_OM_OM60J63U_(U)
1-5. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■Before refueling the vehicle
Turn the “ENGINE START STOP” swit ch off and ensure that all the
doors and windows are closed.
■ Opening the fuel tank cap
Press the opener to open the
fuel filler door.
Turn the fuel tank cap slowly to
open.
STEP1
STEP2

116
1-5. Refueling
GX460_OM_OM60J63U_(U)
■Use of ethanol blended gasoline in a gasoline engine
●Make sure that the ethanol blended gasoline to be used has a suitable Research
Octane Number. ( P. 7 7 2 )
●Use only gasoline containing a maximum
of 10 % ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 10 % etha-
nol, including from any pump labeled E15,
E30, E50, E85 (which are only some
examples of fuel containing more than
10 % ethanol).
DO NOT use gasoline con-
taining more than 10 % etha-
nol.
(15 % ethanol)
(50 % ethanol)
(85 % ethanol)

119
1
Before driving
GX460_OM_OM60J63U_(U)
1-6. Theft deterrent system
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Vehicles without a navigation systemThe indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.
Vehicles with a navigation system The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

120
1-6. Theft deterrent system
GX460_OM_OM60J63U_(U)
■System maintenance
The vehicle has a maintenance-free type of 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.
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
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation
of the system cannot be guaranteed.

122
1-6. Theft deterrent system
GX460_OM_OM60J63U_(U)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following:
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Vehicles with a navigation systemClose the doors, glass hatch
and hood, and lock all the doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarms:
●Unlock the doors.
● Start the engine. (The alarm will be deactivated or stopped after a
few seconds.)

141
1-7. Safety information
1
Before driving
GX460_OM_OM60J63U_(U)
Deactivating the curtain shield airbags in a vehicle rolloverON/OFF (Hold for a few seconds)
The “RSCA OFF” indicator light
turns on. (only when the “ENGINE
START STOP” switch is in IGNI-
TION ON mode).
The roll sensing function for the
curtain shield airbags and seat belt
pretensioners will turn back on
automatically each time the
“ENGINE START STOP” switch is
turned to IGNITION ON mode.

170
GX460_OM_OM60J63U_(U)
2-1. Driving proceduresDriving the vehicle .................. 172
Engine (ignition) switch ........ 183
Automatic transmission ........ 190
Turn signal lever....................... 196
Parking brake............................ 197
Horn............................................ 198
2-2. Instrument cluster Gauges and meters................ 199
Indicators and warning lights ........................................ 202
Multi-information display (Optitron meters) ............... 208
Multi-information display (Accessory meters) ............. 216
2-3. Operating the lights and windshield wipers
Headlight switch .................... 223
Automatic High Beam ......... 230
Fog light switch ....................... 237
Windshield wipers and washer .................................... 240
Rear window wiper and washer .................................... 246
Headlight cleaner switch .... 249
When driving2