parking brake Lexus GS450h 2015 Opening, closing and locking the doors and trunk / LEXUS 2015 GS450H OWNERS MANUAL (OM30E26U)

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GS450h_OM_OM30E26U_(U)
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3-5. Opening, closing the windows and moon roof
Power windows ............................. 167
Moon roof ........................................ 171
4-1. Before driving Driving the vehicle ...................... 176
Cargo and luggage.....................187
Vehicle load limits ....................... 190
Trailer towing .................................. 191
Dinghy towing ...............................192
4-2. Driving procedures Power (ignition) switch ..............193
EV drive mode ............................200
Hybrid transmission .................. 203
Turn signal lever .......................... 209
Parking brake ................................. 211
Brake Hold .....................................214
Horn ..................................................216
4-3. Operating the lights and wipers
Headlight switch .......................... 217
Fog light switch ........................... 222
Windshield wipers and washer ................................ 223
Headlight cleaner switch........ 230 4-4. Refueling
Opening the fuel tank cap .......231
4-5. Using the driving support systems
Cruise control ............................. 236
Dynamic radar cruise control............................ 240
Dynamic radar cruise control with full-speed range............. 255
LKA (Lane-Keeping Assist) ............ 271
Driving mode select switch .....281
Driving assist systems .............. 284
PCS (Pre-Collision System) ...........291
BSM (Blind Spot Monitor) .............. 301
• The Blind Spot Monitor function .................................... 305
• The Rear Cross Traffic Alert function ........................308
Lexus night view ............................ 311
4-6. Driving tips Hybrid vehicle driving tips ....... 317
Winter driving tips .......................319
4Driving

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GS450h_OM_OM30E26U_(U)
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6-3. Do-it-yourself maintenanceDo-it-yourself service precautions................................ 423
Hood ............................................... 426
Positioning a floor jack..............427
Engine compartment ............... 429
12-volt battery ............................. 439
Tires.................................................. 443
Tire inflation pressure ............... 453
Wheels ........................................... 456
Air conditioning filter ............... 458
Electronic key battery.............. 460
Checking and replacing fuses.............................................. 462
Headlight aim ............................... 477
Light bulbs .....................................479
7-1. Essential information Emergency flashers .................. 494
If your vehicle has to be stopped in an emergency.... 495 7-2. Steps to take in an emergency
If your vehicle needs to be towed................................ 496
If you think something is wrong ................ 502
If a warning light turns on or a warning buzzer sounds..... 503
If a warning message is displayed ..................................513
If you have a flat tire ....................541
If the hybrid system will not start ............................... 554
If the shift lever cannot be shifted from P ..................... 556
If the parking brake cannot be released .................................557
If the electronic key does not operate properly ..................... 559
If the 12-volt battery is discharged............................. 562
If your vehicle overheats ......... 566
If the vehicle becomes stuck ............................................... 571
7When trouble arises

17Pictorial index
GS450h_OM_OM30E26U_(U)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 319
To prevent freezing (windshield wiper de-icer)
* . . . . . . . . . . . . . . . . . . . . . P. 361
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 410
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 3 1
Refueling method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 231
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 576
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 443
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 582
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 319
Checking/rotation/tire pressure warning system. . . . . . . . . . . . . . . . . . . . P. 443
Coping with flat tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 541
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 426
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 426
Engine compartment cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 430
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 5 7 7
Coping with overheat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 566
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 520
Headlights/parking lights/daytime running ligh ts . . . . . . . . . . . . . . . . . . . P. 217
Fog lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 222
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
Stop lights
Brake Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 214
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 21 7
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 203
Side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
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Light bulbs of the exterior lights for driving
( R e p l a c i n g m e t h o d : P. 4 7 9 , Wa t t s : P. 5 8 3 )
*: If equipped
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19Pictorial index
GS450h_OM_OM30E26U_(U)
Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 96
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 96
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 111
When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . .P. 513
Parking brake switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 211
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 211
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 320
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 513
Turn signal lever. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
Headlights/parking lights/tail lights/daytime running lights . . . . . . . . . . . P. 217
Fog lights
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 222
Windshield wiper and washer switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 223
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 438
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 530
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 494
Trunk opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 1 4 3
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 426
Tilt and telescopic steering contro l switch . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 161
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 161
Driving position memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 152
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 335
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 335
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 360
Audio system
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Trunk opener main switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 144
*1: If equipped
*2: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
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751-2. Hybrid system
GS450h_OM_OM30E26U_(U)
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For safety and security
■After the 12-volt battery has discharged or has been changed or removed
The gasoline engine may not stop even if the vehicle is running on the hybrid battery
(traction battery). If this continues for a few days, contact your Lexus dealer.
■Sounds and vibrations specific to a hybrid vehicle
There may be no engine sounds or vibration even though the vehicle is able to move.
For safety, apply the parking brake and make sure to shift the shift position to P when
parked.
The following sounds or vibrations may occur when the hybrid system is operating
and are not a malfunction:
●Motor sounds may be heard from the engine compartment.
●Sounds may be heard from the hybrid battery (traction battery) behind the rear
seats when the hybrid system starts or stops.
●Sounds from the hybrid system may be heard when the trunk lid is open.
●Sounds may be heard from the hybrid tran smission when the hybrid system starts
or stops.
●Engine sounds may be heard when accelerating sharply.
●Sounds may be heard due to regenerative braking when the brake pedal is
depressed.
●Vibration may be felt when the gasoline engine starts or stops.
●Cooling fan sounds may be heard from the ai r intake vents on the both sides of the
rear seatback.
■Vehicle proximity notification system
In the following cases, the vehicle proximity notification system may be difficult for
surrounding people to hear.
●In very noisy areas
●In the wind or the rain
Also, as the vehicle proximity notification system is installed on the front of the vehi-
cle, it may be more difficult to hear from the rear of the vehicle compared to the
front.
■Maintenance, repair, recycling, and disposal
Contact your Lexus dealer regarding main tenance, repair, recycling and disposal.
Do not dispose of the vehicle yourself.
■Customization
Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features: P. 5 9 9 )

791-2. Hybrid system
GS450h_OM_OM30E26U_(U)
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For safety and security
CAUTION
■High voltage precautions
The vehicle has high voltage DC and AC systems as well as a 12-volt system. DC
and AC high voltage is very dangerous and can cause severe burns and electric
shock that may result in death or serious injury.
●Never touch, disassemble, remove or re place the high voltage parts, cables or
their connectors.
●The hybrid system will become hot after starting as the system uses high voltage.
Be careful of both the high voltage and the high temperature, and always obey
the caution labels attached to the vehicle.
■Road accident cautions
Observe the following precautions to reduce the risk of death or serious injury:
●Pull your vehicle off the road, apply the parking brake, shift the shift lever to P, and
turn the hybrid system off.
●Do not touch the high voltage parts, cables and connectors.
●If electric wires are exposed inside or outside your vehicle, an electric shock may
occur. Never touch exposed electric wires.
●If a fluid leak occurs, do not touch the flui d as it may be strong alkaline electrolyte
from the hybrid battery (traction battery). If it comes into contact with your skin or
eyes, wash it off immediately with a large amount of water or, if possible, boric
acid solution. Seek imme diate medical attention.
●If a fire occurs in the hybrid vehicle, leave the vehicle as soon as possible. Never
use a fire extinguisher that is not meant for electric fires. Using even a small
amount of water may be dangerous.
●If your vehicle needs to be towed, do so with rear wheels raised. If the wheels
connected to the electric motor (traction motor) are on the ground when towing,
the motor may continue to generate electricity. This may cause an electricity
leakage leading to a fire. ( P. 4 9 6 )
●Carefully inspect the ground under the vehicle. If you find that liquid has leaked
onto the ground, the fuel system may have been damaged. Leave the vehicle as
soon as possible.
●Never try to open the service plug access
hole located behind the rear seats. The ser-
vice plug is used only when the vehicle is
serviced and is subject to high voltage.

GS450h_OM_OM30E26U_(U)
872. Instrument cluster
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Instrument cluster
◆Outside rear view mirrors (vehicles with BSM)
Warning lights inform the driver of ma lfunctions in the indicated vehicle’s
systems.
Warning lights
*1
(U.S.A.)
Brake system warning light
(  P. 5 0 3 )*1
(U.S.A.)
ABS warning light
( P. 5 0 4 )
*1
(Canada)
Brake system warning light
( P. 5 0 3 )*1
(Canada)
ABS warning light
( P. 5 0 4 )
*1Charging system warning
light ( P. 5 0 4 )*1Electric power steering
system warning light
( P. 5 0 4 )
*1
(U.S.A.)
Malfunction indicator
lamp ( P. 5 0 4 )*1, 2
(if equipped)
“AFS OFF” indicator
( P. 505)
*1
(Canada)
Malfunction indicator
lamp ( P. 5 0 4 )*1, 2Brake hold operated
indicator ( P. 505)
*1SRS warning light
( P. 5 0 4 )*2
(U.S.A.)
Parking brake indicator
( P. 505)

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GS450h_OM_OM30E26U_(U)
2. Instrument cluster
*1: These lights turn on when the power switch is turned to ON mode to indicate that
a system check is being performed. They will turn off after the hybrid system is on,
or after a few seconds. There may be a ma lfunction in a system if the lights do not
come on, or turn off. Have the vehicle inspected by your Lexus dealer.
*2: The light flashes to indicate a malfunction.
*2
(Canada)
Parking brake indicator
(  P. 505)*1Master warning light
( P. 5 0 6 )
*1
Brake system warning light
( P. 5 0 6 )*1, 2
(if equipped)
“PCS” warning light
( P. 504, 515)
Open door warning light
( P. 5 0 6 )*1
Slip indicator ( P. 505)
Low fuel level warning light
( P. 5 0 6 )*1Tire pressure warning light
( P. 5 0 7 )
Seat belt reminder light
( P. 5 0 6 )

GS450h_OM_OM30E26U_(U)
892. Instrument cluster
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Instrument cluster
The indicators inform the driver of the operating state of the vehicle’s vari-
ous systems.
Indicators
Turn signal indicator
(  P. 2 0 9 )
(if equipped)
LKA (Lane-Keeping
Assist) indicator
( P. 2 7 1 )
(U.S.A.)
Headlight indicator
( P. 2 1 7 )*1
(if equipped)
Intuitive parking assist indi-
cator
(Canada)
Tail light indicator
( P. 2 1 7 ) *2
(if equipped)
“AFS OFF” indicator
( P. 2 1 9 )
Headlight high beam indi-
cator ( P. 2 1 8 )
*2, 3Slip indicator
( P. 2 8 6 )
(if equipped)
Front fog light indicator
( P. 222)*2VSC OFF indicator
( P. 2 8 6 )
“READY” indicator
(  P. 1 9 3 )
*2, 4
(if equipped)
“PCS” warning light
( P. 293)
EV indicator ( P. 74 )
(U.S.A.)
Parking brake indicator
( P. 211)
Cruise control indicator
(  P. 2 3 6 , 2 4 0 )
(Canada)
Parking brake indicator
( P. 2 1 1 )
(if equipped)
Radar cruise control indi-
cator ( P. 2 4 0 )*2Brake hold standby indica-
tor ( P. 2 1 4 )
Cruise control “SET” indi-
cator ( P. 2 3 6 , 2 4 0 )
*2Brake hold operated indi-
cator ( P. 2 1 4 )

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GS450h_OM_OM30E26U_(U)
4Driving
4-1. Before driving Driving the vehicle ....................... 176
Cargo and luggage .................... 187
Vehicle load limits .......................190
Trailer towing .................................. 191
Dinghy towing............................... 192
4-2. Driving procedures Power (ignition) switch.............. 193
EV drive mode ........................... 200
Hybrid transmission ..................203
Turn signal lever ......................... 209
Parking brake ..................................211
Brake Hold ..................................... 214
Horn.................................................. 216
4-3. Operating the lights and wipers
Headlight switch .......................... 217
Fog light switch............................ 222
Windshield wipers and washer .................................223
Headlight cleaner switch ....... 230
4-4. Refueling Opening the fuel tank cap....... 231 4-5. Using the driving support
systems
Cruise control ............................. 236
Dynamic radar cruise control ............................ 240
Dynamic radar cruise control with full-speed range ............. 255
LKA (Lane-Keeping Assist) ............ 271
Driving mode select switch .... 281
Driving assist systems............... 284
PCS (Pre-Collision System)........... 291
BSM (Blind Spot Moni tor)............... 301
• The Blind Spot Monitor function ....................................305
• The Rear Cross Traffic Alert function........................ 308
Lexus night view ............................ 311
4-6. Driving tips Hybrid vehicle driving tips........317
Winter driving tips ...................... 319