Page 732 of 862
7317-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Close the driver’s door.
• Fasten the driver’s seatbelt.
• Close the trunk and hood.
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Depress the brakepedal.
• Close the driver’s door.
• Fasten the driver’s seat belt.
Indicates that the parking
brake is set automatically
while the brake hold sys-
tem is holding the brakes
Release the parking
brake.
Warning messageDetailsCorrection procedure
(Flashes)
GS450h_U.book Page 731 Monday, January 23, 2012 10:20 AM
Page 766 of 862

765
GS450h_U (OM30D01U)
7
When trouble arises
7-2. Steps to take in an emergency
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the power switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
Take out the parking brake
release tool and the screwdriver
from the trunk. (→ P. 7 5 0 )
Fit the parking brake release tool into
the screwdriver handle.
Take out the spare tire. ( →P. 74 9 )
In the event that the 12-volt battery is discharged or switch operation
does not release the parking brake, the parking brake can be released
manually using the procedure below. This procedure should be per-
formed only if necessary, su ch as in an emergency.
If the switch cannot be operated even when the 12-volt battery is nor-
mal, the parking brake system may be malfunctioning. Have the vehicle
inspected by your Lexu s dealer immediately.
Before releasing the parking brake manually
Releasing the parking brake manually
1
2
GS450h_U.book Page 765 Monday, January 23, 2012 10:20 AM
Page 768 of 862

767
GS450h_U (OM30D01U)
7
When trouble arises
7-2. Steps to take in an emergency
If the electronic key does not operate properly
■Doors
Use the mechanical key
(→ P. 118) in order to perform the
following operations:
Locks all the doors
Closes the windows and moon
roof
* (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 5 seconds
unlocks the other doors.
Opens the windows and moon
roof
* (turn and hold)
*: This setting must be customized at your Lexus dealer.
If communication between the electronic key and vehicle is inter-
rupted ( →P. 128) 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 and the hybrid system can be started by following
the procedure below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
1
2
3
4
GS450h_U.book Page 767 Monday, January 23, 2012 10:20 AM
Page 771 of 862
770
GS450h_U (OM30D01U)
7-2. Steps to take in an emergency
If the 12-volt battery is discharged
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt battery, you can jump start your vehicle by following the steps
below.
Open the trunk lid and remove
the 12-volt battery cover.
In the event that the trunk opener can-
not be used, use the mechanical key to
open the trunk. ( →P. 76 7 )
Connect the jumper cables according to the following procedure:
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Negative (-) battery terminal on your vehicle
The following procedures may be used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
1
2
1
2
3
4
GS450h_U.book Page 770 Monday, January 23, 2012 10:20 AM
Page 813 of 862

812
GS450h_U (OM30D01U)
8-2. Customization
Wireless
remote
control
(→ P. 1 3 4 )
Wireless remote controlOnOff——O
“Remote 2-Press Unlock”
(Allows all doors to be
unlocked by pressing
on the electronic
key twice)
On
(Driver’s door
unlocked in
one step, all doors
unlocked in two steps)
Off
(All doors
unlocked in one step)
O—O
Trunk unlocking operationPress and
hold (short)
One short press
——OPush twice
Press and
hold (long)
Off
Alarm (panic mode)OnOff——O
Front seats
( → P. 1 4 8 )
“Driver’s Seat Easy Exit”
(Driver’s seat movement
when exiting the vehicle)
Standard
Off
O—O
Pa r t i a l
Selecting the door linking
driving position memory
with door unlock operationDriver’s
doorAll doors——O
Po we r
windows
(→ P. 1 6 4 )
and moon
roof
( → P. 1 6 7 )
Mechanical key linked
operationOffOn——O
Wireless remote control
linked operationOff
On
(Open only)
——O
Buzzer sounds if operated
using wireless remote con-
trol
OnOff——O
ItemFunctionDefaultsettingCustom-
ized setting123
sec_08-02.fm Page 812 Monday, January 30, 2012 10:40 AM
Page 836 of 862
835What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when
the lock is set. Open the rear door from outside and then
unlock the child-protector lock. (→P. 1 3 8 )
●The function to prevent the electronic key from being left inside
the trunk will operate and you can open the trunk as usual. Take
the key out from the trunk. (→ P. 122)
The rear door cannot be opened
The trunk lid is closed with
the electronic key left inside
GS450h_U.book Page 835 Monday, January 23, 2012 10:20 AM
Page 843 of 862

842Alphabetical index
GS450h_U (OM30D01U)
Brake assist ............................................. 289
Brake Hold ............................................... 210
Break-in tips.............................................. 173
Brightness controlInstrument panel light control ...........91
BSM (Blind Spot Monitor)................ 305
Care ................................................. 616, 620
Aluminum wheels ................................617
Exterior..................................................... 616
Interior .................................................... 620
Seat belts ................................................. 621
Cargo capacity....................................... 186
Cargo hooks ........................................... 581
Caution label ..............................................74
CD player ................................................ 433
Chains .........................................................321
Child restraint system............................ 55 Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62
Front passenger occupant
classification system .........................49
Infant seats, definition ..........................55
Infant seats, installation ....................... 62
Installing CRS
with LATCH anchors .....................60
Installing CRS with seat belts .......... 62
Installing CRS with top tether strap .........................66 Child safety .................................................54
12-volt battery
precautions ........................... 649, 773
Airbag precautions................................ 41
Child restraint system......................... 55
How your child should wear
the seat belt ................................. 33, 35
Installing child restraints .................... 59
Moon roof precautions ....................170
Power window lock switch.............164
Power window precautions ...........166
Rear door child-protectors ........... 138
Removed electronic key battery precautions ..............669
Seat belt comfort guide ..................... 33
Seat belt extender precautions ......37
Seat belt precautions ..........................58
Seat heater precautions ................. 592
Trunk precautions ............................... 144
Child-protectors ....................................138
Cleaning ........................................ 616, 620 Aluminum wheels ................................ 617
Exterior .....................................................616
Interior .....................................................620
Seat belts.................................................. 621
Clock......................................................... 584
Coat hooks ..............................................597
Condenser...............................................644
C
GS450h_U.book Page 842 Monday, January 23, 2012 10:20 AM
Page 849 of 862

848Alphabetical index
GS450h_U (OM30D01U)
JackPositioning a floor jack ................... 635
Vehicle-equipped jack .................. 750
Jack handle ................................................. 750
Jam protection function
Moon roof .............................................. 168
Power trunk opener and closer............................................ 143
Power windows ................................... 165
Keyless entry ............................................. 121 Smart access system
with push-button start ..................... 121
Wireless remote control ................. 134
Keys............................................................... 118 Battery-Saving Function................... 127
Electronic key ......................................... 118
Engine switch ........................................ 189
If the electronic key does not operate properly ........ 767
Key number plate .................................118
Keyless entry ................................. 121, 134
Mechanical key ......................................118
Power switch......................................... 189
Replacing the battery ...................... 668
Warning buzzer .................................. 125
Wireless remote control key ........ 134
Knee airbags ............................................. 39 Language
(multi-information display)............... 98
LATCH anchors...................................... 60
Lever Auxiliary catch lever ......................... 634
Hood lock release lever................. 634
Internal trunk release lever ............. 144
Shift lever .................................................199
Turn signal lever .................................205
Wiper lever............................................. 219
Lexus Enform
*
Lexus night view ...................................... 311
License plate lights ................................ 213
Light switch............................................. 213
Replacing light bulbs ....................... 697
Welcome light illumination control............................121
Light bulbs Replacing .............................................. 689
Wattage ................................................... 791
J
K
L
GS450h_U.book Page 848 Monday, January 23, 2012 10:20 AM