2007 Lexus GS450h lock

5
When trouble arises
445
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failing to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
Malfunction in the automatic headlight leveling sys-
tem.
Malfunction in the rear lights system.
Malfunction in the tire pressure warning system.
The tire pressure warning light will blink for 1 minute
and then stay on.
(Flashing)
Malfunction in the steering lock system.

5
When trouble arises
459
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

An open door has
been closed and
the power switch
has been turned
twice to the
“A C C ” m o d e f r o m
“OFF” mode.
Press the
power
switch while
applying the
brakes.

(Flashing)
The steering lock
has not released
within 3 seconds
of pressing the
power switch. The
power switch indi-
cator will flash
green for 15 sec-
onds.Press the
power
switch again
while turn-
ing the
steering
wheel with
the brake
pedal
depressed.

5
When trouble arises
471
5-2. Steps to take in an emergency
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
P. 103), consider each of the following points.
■The hybrid system will not start ev en if you are carrying the cor-
rect electronic key
One of the following may be the cause of the problem.
● The electronic key battery may be discharged. ( P. 17)
● There may not be sufficient fuel in the vehicle’s tank. 
Add fuel to the vehicle.
● There may be a malfunction in the steering lock system.
● There may be a malfunction in the hybrid vehicle immobilizer sys-
tem. 
( P. 5 9 )
■ The 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 12 volt battery may be discharged. ( P. 4 76 )
● The 12 volt battery terminal connections may be loose or cor-
roded.
■ The 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 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 4 76 )
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

472
5-2. Steps to take in an emergency
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake, there may be
a problem with the shift lock system (a system to prevent accidental opera-
tion of the shift lever). Have the vehicle inspected by your Lexus dealer
immediately. 
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted.
Set the parking brake.
Turn the power switch to the “ACC” mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or equivalent.
Press the shift lock override but-
ton.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5

474
5-2. Steps to take in an emergency
When the electronic key battery is discharged
Locking and unlocking the doors, unlocking the trunk and key linked functions
DoorsUsing the mechanical key in order
to perform the following opera-
tions:
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/moon roof
(turn and hold)
Tr u n k
Turn the mechanical key clock-
wise to open.
If the electronic key battery is di scharged, the doors and trunk can be
opened by the mechanical key. The hybrid system can be still started by fol-
lowing the procedure.

491
6-1. Specifications
6
Vehicle specifications
Electrical system
Differential
Transmission
12 volt battery
Open voltage at
68F (20 C):12.6  12.8V Fully charged 
12.2  12.4V Half charged 
11.8  12.0V Discharged 
(Voltage is checked 20 minutes after
the hybrid system and all lights are
turned off.)
Charging rates5A max.
Oil capacity1.42 qt. (1.35 L, 1.19 lmp.qt.)
Oil type and
viscosityToyota Genuine Differential gear oil LT
75W-85
Fluid capacity
Drain and refill
5.7 qt. (5.4 L, 4.8 lmp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterio-
ration in shift quality, locking up of your transmission accompanied by vibration, and
ultimately damage the transmission of your vehicle.

510
6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart access
system with
push-button
start 
(
P. 1 3 )
Smart access system with
push-button startONOFF
Operation signal 
(Emergency flashers)ONOFF
Operation signal 
(Buzzer)ONOFF
Wireless
remote con-
trol 
(
P. 22)
Unlocking operation
Driver's door
unlocked in 1-
step, all doors
unlocked 
in 2-step
All doors
unlocked in 1-step
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
OFF
30 seconds
120 seconds
Your vehicle includes a variety of elec tronic features that can be personal-
ized to your preferences. Programming these preferences requires spe-
cialized equipment and may be performed by an authorized Lexus
dealership.
Some function settings are changed simultaneously with other functions
being customized. Contact your Lexus dealer for further details.

511
6-2. Customization
6
Vehicle specifications
ItemFunctionDefault settingCustomizedsetting
Wireless
remote con-
trol 
(
P. 22)
Operation indicator 
(Emergency flashers)ONOFF
Operation indicator
(Buzzer) ONOFF
Tr u n k u n l o c k i n g f u n c t i o nONOFF
Trunk unlocking operationPush and holdPush twice
One short push
Panic functionONOFF
Buzzer sounds when
pushing with any door
not closed
ONOFF
Door lock (
P. 2 5 )
Unlocking using a key
Driver's door
unlocked in 1-
step, all doors
unlocked 
in 2-step
All doors
unlocked in 1-step
Speed-detecting auto-
matic door lock functionOFFON
Opening driver's door
unlocks all doors OFFON
Shift the shift lever to “P”
unlocks all doorsONOFF
Shift the shift lever to posi-
tion other than “P” locks
all doors
ONOFF