horn Lexus GS450h 2018 Owner's Manual / LEXUS 2018 GS450H OWNER'S MANUAL (OM30G62U)

1533-4. Adjusting the steering wheel and mirrors
3
Operation of each component
GS450h_OM_OM30G62U_(U)
Steering wheel
Operating the switch moves the steering wheel in the following directions:Up
Down
Toward the driver
Away from the driver
To sound the horn, press on or close to
the mark.
■The steering wheel can be adjusted when
The power switch is in ACCESSORY or ON mode
*.
*: If the driver’s seat belt is fastened, the steering wheel can be adjusted regardless of power switch mode.
■Automatic adjustment of the steering position
A desired steering position ca n be entered to memory and recalled automatically by the
driving position memory system. (→ P. 145)
■Power easy access system
The steering wheel and driver’s seat move in accordance with power switch mode and
the driver’s seat belt condition. ( →P. 145)
Adjustment procedure
1
2
3
4
Horn
WARNING
Do not adjust the steeri ng wheel while driving.
Doing so may cause the driver to mishandle the vehicle and cause an accident, result-
ing in death or serious injury.

450
GS450h_OM_OM30G62U_(U)
7-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (→P. 455)
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( →P. 74)
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctioni ng due to an electrical problem such
as electronic key battery depletion or a blown fuse. However, depending on
the type of malfunction, an interim meas ure is available to start the hybrid sys-
tem. ( →P. 451)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( →P. 457)
●The 12-volt battery terminal connections may be loose or corroded.
(→ P. 362)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( →P. 457)
●One or both of the 12-volt battery terminals may be disconnected. ( →P. 362)
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
Reasons for the hybrid system not star ting vary depending on the situation.
Check the following and perform the appropriate procedure:
The hybrid system will not start even though the correct starting proce-
dure is being followed. ( →P. 182)
The interior lights and headlights are d im, or the horn does not sound or
sounds at a low volume.
The interior lights and headlights do not turn on, or the horn does not
sound.

526What to do if... (Troubleshooting)
GS450h_OM_OM30G62U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 406)
●The parking brake indicator is on
Is the parking brake released? ( →P. 196)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 404, 410)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 77)
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (→ P. 410)
●When a warning light turns on or a warning message is displayed, refer to
P. 404, 410.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

534Alphabetical index
GS450h_OM_OM30G62U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ....................................... 150
Headlight cleaner.......................208, 210
Headlights ...............................................200 Adaptive Front-lighting System (AFS) .................................... 201
Headlight leveling warning message ............................ 410
Light switch .......................................... 200
Replacing light bulbs ........................393
Headlights aim ............................. 389, 521
Head-up display..................................... 103
Heated steering wheel ........................ 301
Heaters Air conditioning system ..................287
Heated steering wheel ................... 302
Seat heaters ......................................... 302
Outside rear view mirrors .............293
High-voltage components .................. 70
Hood ........................................................... 351 Open ......................................................... 351
Warning message .............................. 410
Hooks Cargo hooks ..........................................312
Coat hooks .......................................... 320
Luggage hook .......................................312
Retaining hooks (floor mat) ............. 26 Horn............................................................. 153
Hybrid battery (traction battery)
Location .................................................... 70
Specification ..........................................472
Hybrid battery (traction battery) air vents .....................................................70
Hybrid system............................................66 Emergency shut off system ............... 71
Energy monitor/consumption screen...................... 109
EV drive mode .....................................187
High voltage components ............... 70
Hybrid System Indicator ................... 92
Hybrid system precautions ............. 70
Hybrid vehicle driving tips .............274
If the hybrid system will not start .......................................450
Overheating...........................................461
Power (ignition) switch.....................182
Regenerative braking ..........................67
Starting the hybrid system...............182
Vehicle proximity notification system ......................................................67
Hybrid System Indicator .......................92
Hybrid transmission ..............................189 If the shift lever cannot be shifted from P ..............193
Paddle shift switches........................... 191
S mode...................................................... 192
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