2009 Lexus GS450h key

534
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection procedure
Once
(Flashing)
The electronic key
battery is low.Replace the
battery.
( → P. 4 7 2 )

An open door has
been closed and
the “POWER”
switch has been
turned twice to
the ACCES-
SORY mode from
OFF.
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 indicator
will flash green for
15 seconds.Press the
“POWER”
switch again
while turn-
ing the
steering
wheel with
the brake
pedal
depressed.
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5
When trouble arises
535
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
OnceThe electronic key
does not operate
properly.
→ P. 5 5 0

GS450h_HV_U.book Page 535 Monday, April 27, 2009 10:10 AM

5
When trouble arises
547
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
→P. 148), consider each of the following points.
■The hybrid system will not start even 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. 5 5 0 )
● 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 immobilizer system.
(→ P. 9 6 )
■ 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. 553)
● 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. 553)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
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5
When trouble arises
549
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using one of
the other keys and the key number stamped on your key number plate.
GS450h_HV_U.book Page 549 Monday, April 27, 2009 10:10 AM

550
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked
functions
Doors Using the mechanical key (
→P. 36)
in order to perform the following
operations:
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Tu r n i n g t h e k e y r e a r w a r d u n l o c k s
the driver’s door.
Turning the key once again unlocks
the other doors.
Opens the windows/moon roof
(turn and hold)
If communication between the electronic key and vehicle is interrupted
(
→P. 43) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the hybrid system can be started by following the procedure
below.
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5
When trouble arises
551
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Tr u n kTurn the mechanical key clock-
wise to open.
Changing “POWER” switch modes and starting the hybrid system
Put the shift lever in “P” and apply the brakes. Touch the Lexus emblem side of
the electronic key to the
“POWER” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “POWER” switch if any of the
doors is opened and closed while
the key is touched to the switch.
STEP1
STEP2
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552
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
To change the “POWER” switch modes: Within 10 seconds of the
buzzer sounding, release the brake pedal and press the
“POWER” switch. Modes can be changed each time the switch is
pressed. (
→P. 1 4 9 )
To start the hybrid system: Press the “POWER” switch within 10
seconds after the buzzer sounds, keeping the brake pedal
depressed.
If the “POWER” switch still cannot be operated, contact your Lexus
dealer.
■Stopping the hybrid system
Shift the shift lever to “P” and press the “POWER” switch as you normally do when
stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes.
( → P. 4 7 2 )
STEP3
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553
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If the 12 volt battery is discharged
The following procedures may be used to start the hybrid system if the 12
volt battery is discharged.
You can call your Lexus dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12 volt battery, you can jump start your Lexus following the steps
below.
Open the trunk using the mechanical key. (
→P. 5 5 1 )
Remove the left-hand cover in
the trunk.
Connect the jumper cables.STEP1
STEP2
STEP3
GS450h_HV_U.book Page 553 Monday, April 27, 2009 10:10 AM