2015 Lexus GS300h power steering

1803-3. Adjusting the seats
GS450h_300h_OM_OM30F00E_(EE)
■Recall procedureCheck that the shift lever is in P.
Turn the power switch to ON mode.
Press one of the buttons for the
driving position you want to recall
until the buzzer sounds.
Vehicles with front passenger’s seat
ottoman:
The recorded position will only be
recalled if the ottoman is in a position
higher than the recorded position. It
will not move in an upward direction.
■To stop the position recall operation part-way through
Perform any of the following:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Operate any of the seat adjustment switches (only cancels seat position recall).
●Operate the tilt and telescopic steering control switch (only cancels steering wheel
position recall).
●Operate the head-up display position adjustment switch (if equipped) (only cancels
head-up display position recall).
■Seat positions that can be memorized ( →P. 1 7 5 )
XVehicles without seatback side support adjustment switch
The adjusted positions other than the position adjusted by lumbar support switch can be
recorded.
XVehicles with seatback side support adjustment switch
All adjusted positions can be recorded.
■Automatic ottoman adjustment (if equipped)
While the recorded position is being recalled, if it appears that the front edge of the cush-
ion will touch the area surrounding the instrument panel, the ottoman will be automati-
cally stowed.
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2
3

1823-3. Adjusting the seats
GS450h_300h_OM_OM30F00E_(EE)
■Recall procedureCarry the electronic key that has been registered to the driving position,
and then unlock and open the driver’s door using the smart entry & start
system or wireless remote control.
The driving position will move to the reco rded position (not including the steering
wheel and HUD [head-up display] [if equipped]). However, the seat will move to a
position slightly behind the recorded position in order to make entering the vehicle
easier.
If the driving position is in a position that has already been recorded, the seat and
outside rear view mirrors will not move.
Turn the power switch to ACCESSORY mode or ON mode, or fasten a
seat belt.
The seat, steering wheel and HUD (head-up display) (if equipped) will move to the
recorded position.
■Cancelation procedure
Carry only the key you want to cancel and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cannot be canceled
properly.
Turn the power switch to ON mode.
While pressing the “SET” button, press and hold the door lock switch
(either lock or unlock) until the buzzer sounds twice.
If the button could not be canceled, the buzzer sounds continuously for approxi-
mately 3 seconds.
■Recalling the driving position us ing the memory recall function
●Different driving positions can be registered for each electronic key. Therefore, the
driving position that is recalled may be di fferent depending on the key being carried.
●If a door other than the driver’s door is unlocked with the smart entry & start system, the
driving position cannot be recalled. In this case, press the driving position button which
has been set.
■Customization
The unlock door settings of the memory recall function can be customized.
(Customizable features: →P. 5 8 1 )
WA R N I N G
■Seat adjustment caution
Take care during seat adjustment so that th e seat does not strike the rear passenger or
squeeze your body against the steering wheel.
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2
1
2

1863-4. Adjusting the steering wheel and mirrors
GS450h_300h_OM_OM30F00E_(EE)
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 can be entered to memory and recalled automatically by the
driving position memory system. ( →P. 1 7 8 )
■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. 1 7 8 )
Adjustment procedure
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2
3
4
Horn

1883-4. Adjusting the steering wheel and mirrors
GS450h_300h_OM_OM30F00E_(EE)
Inside rear view mirror
The height of the rear view mirror can be adjusted to suit your driving posture.
Adjust the height of the rear view mir-
ror by moving it up and down.
Responding to the level of brightness of the headlights of vehicles behind, the
reflected light is automatically reduced.
Changing automatic anti-glare func-
tion mode
ON/OFF
When the automatic anti-glare function
is in ON mode, the indicator illuminates.
The function will set to ON mode each
time the power switch is turned to ON
mode.
Pressing the button turns the function to
OFF mode. (The indicator also turns
off.)
The rear view mirror’s position can be adjusted to enable sufficient confirma-
tion of the rear view.
Adjusting the height of rear view mirror
Anti-glare function
Indicator

1923-4. Adjusting the steering wheel and mirrors
GS450h_300h_OM_OM30F00E_(EE)
■Mirror angle can be adjusted when
The power switch is in ACCESSORY or ON mode.
■When the mirrors are fogged up
The outside rear view mirrors can be cleared using the mirror defoggers. Turn on the
rear window defogger to turn on the outside rear view mirror defoggers. (→P. 3 7 2 )
■Automatic adjustment of the mirror angle
A desired mirror face angle can be entered to memory and recalled automatically by the
driving position memory. ( →P. 1 7 8 )
■Auto anti-glare function
When the anti-glare inside rear view mirror is set to automatic mode, the outside rear
view mirrors will activate in conjunction with the anti-glare inside rear view mirror to
reduce reflected light. ( →P. 1 8 8 )
■Using automatic mode in cold weather
When automatic mode is used in cold weather, the door mirror could freeze up and
automatic stowing and return may not be possible. In this event, remove any ice and snow
from the door mirror, then either operate the mirror using manual mode or move the mir-
ror by hand.
WA R N I N G
■Important points while driving
Observe the following precautions while driving.
Failure to do so may result in loss of control of the vehicle and cause an accident, result-
ing in death or serious injury.
●Do not adjust the mirrors while driving.
●Do not drive with the mirrors folded.
●Both the driver and passenger side mirrors must be extended and properly adjusted
before driving.
■When a mirror is moving
To avoid personal injury and mirror malfunction, be careful not to get your hand caught
by the moving mirror.
■When the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot and burn you.

199
4Driving
GS450h_300h_OM_OM30F00E_(EE)
4-1. Before drivingDriving the vehicle .................... 200
Cargo and luggage .................. 208
Trailer towing (vehicles without towing package) .....209
Trailer towing (vehicles with towing package)....................... 210
4-2. Driving procedures Power (ignition) switch...............217
EV drive mode ............................ 222
Hybrid transmission .................. 224
Turn signal lever ..........................230
Parking brake................................ 231
Brake Hold....................................234
4-3. Operating the lights and wipers
Headlight switch ......................... 236
AHS (Adaptive High-beam System) ........................................ 240
Automatic High Beam ............. 245
Fog light switch............................ 249
Windshield w ipers and washer................................ 250 4-4. Refueling
Opening the fuel tank cap ..... 256
4-5. Using the driving support systems
Lexus Safety System+ .............. 260
PCS (Pre-Crash Safety system) ........................................ 269
LKA (Lane-Keeping Assist) ........................................... 281
LDA (Lane Departure Alert with steering control) ............ 290
RSA (Road Sign Assist)........... 298
Dynamic radar cruise control with full-speed range .............303
Dynamic radar cruise control .......................................... 315
Cruise control ............................. 327
Driving mode select switch ...330
BSM (Blind Spot Monitor) ..... 333 •The Blind Spot Monitor function .................................... 339
• The Rear Crossing Traffic
Alert function.......................... 341
Driving assist systems............... 344
4-6. Driving tips Hybrid vehicle driving tips .......351
Winter driving tips ..................... 354

2034-1. Before driving
4
Driving
GS450h_300h_OM_OM30F00E_(EE)
WA R N I N G
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When starting the vehicle
Always keep your foot on the brake pedal while stopped with the “READY” indicator is
illuminated. This prevents the vehicle from creeping.
■When driving the vehicle
●Do not drive if you are unfamiliar with the location of the brake and accelerator ped-
als to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake pedal will result in sudden acceleration that may lead to an accident.
• When backing up, you may twist your body around, leading to a difficulty in oper-
ating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle only slightly. This allows you to depress the brake and accelerator pedals properly.
• Depress the brake pedal using your right foot. Depressing the brake pedal using
your left foot may delay response in an emergency, resulting in an accident.
●The driver should pay extra attention to pedestrians when the vehicle is powered only
by the electric motor (traction motor). As there is no engine noise, the pedestrians
may misjudge the vehicle’s movement.
●Do not drive the vehicle over or stop the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. These hot parts may
cause a fire if there is any flammable material nearby.
●During normal driving, do not turn off the hybrid system. Turning the hybrid system off
while driving will not cause loss of steering or braking control, however, power assist
to the steering will be lost. This will make it more difficult to steer smoothly, so you
should pull over and stop the vehicle as soon as it is safe to do so.
In the event of an emergency, such as if it becomes impossible to stop the vehicle in
the normal way: →P. 4 6 9
●Use engine braking (downshift) to maintain a safe speed when driving down a steep
hill.
Using the brakes continuously may cause the brakes to overheat and lose effective-
ness. ( →P. 2 2 4 )
●Do not adjust the positions of the steering wheel, the seat, or the inside or outside rear
view mirrors while driving.
Doing so may result in a loss of vehicle control.
●Always check that all passengers’ arms, heads or other parts of their body are not
outside the vehicle.

2044-1. Before driving
GS450h_300h_OM_OM30F00E_(EE)
WA R N I N G
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and reduce your
ability to control the vehicle.
●Sudden acceleration, engine braking due to shifting, or changes in engine speed
could cause the vehicle to skid, resulting in an accident.
●After driving through a puddle, lightly depres s the brake pedal to make sure that the
brakes are functioning properly. Wet brake pads may prevent the brakes from func-
tioning properly. If th e brakes on only one side are wet and not functioning properly,
steering control may be affected.
■When shifting the shift lever
●Do not let the vehicle roll backward while the shift lever is in a driving position, or roll
forward while the shift lever is in R.
Doing so may result in an accident or damage to the vehicle.
●Do not shift the shift lever to P while the vehicle is moving.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to R while the vehicle is moving forward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Do not shift the shift lever to a driving position while the vehicle is moving backward.
Doing so can damage the transmission and may result in a loss of vehicle control.
●Shifting the shift lever to N while the vehicle is moving will disengage the hybrid sys-
tem. Engine braking is not available with the hybrid system disengaged.
●Be careful not to shift the shift lever with the accelerator pedal depressed. Shifting the
shift lever to any position other than P or N may lead to unexpected rapid accelera-
tion of the vehicle that may cause an accident and result in death or serious injury.
■If you hear a squealing or scraping noise (brake pad wear indicators)
Have the brake pads checked and replaced by any authorized Lexus dealer or
repairer, or another duly qualified and equi pped professional as soon as possible.
Rotor damage may result if the pads are not replaced when needed.
Front and rear
* brakes: Moderate levels of brake pad and disc wear allow enhanced
braking power. As a result, the discs may wear more quickly than conventional brake
discs. Therefore, when replacing the brake pads, Lexus recommends that you also
have the thickness of the discs measured.
It is dangerous to drive the vehicle when the wear limits of the brake pads and/or those
of the brake discs are exceeded.
*: Except for Reunion, Canary Islands, Russia, Ukraine, Israel, Turkey, Kazakhstan,
Georgia