2016 Lexus GS450h Owner's Manual / LEXUS 2016 GS450H OWNERS MANUAL (OM30E99U)

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GS450h_OM_OM30E99U_(U)3-5. Opening, closing the windows and moon roof
3
Operation of each component
Moon roof
Opens the moon roof*
The moon roof stops slightly before the
fully open position to reduce wind noise.
Press the switch again to fully open the
moon roof.
Closes the moon roof*
*
: Lightly press either way of the moon roof switch to stop the moon roof part-
way.
Tilts the moon roof up*
Tilts the moon roof down*
*
: Lightly press either way of the moon roof switch to stop the moon roof part-
way.
■The moon roof can be operated when
The power switch is in ON mode.
■Operating the moon roof after turning the hybrid system off
The moon roof can be operated for approximately 45 seconds after the power switch is
turned to ACCESSORY mode or turned off. It cannot, however, be operated once either
front door is opened.
Use the overhead switches to open and close the moon roof and tilt it up and
down.
Opening and closing
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Tilting up and down
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3-5. Opening, closing the windows and moon roof
■Jam protection function
If an object is detected between the moon roof and the frame while the moon roof is clos-
ing or tilting down, travel is stopped and the moon roof opens slightly.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will open
automatically when the moon roof is opened.
■Door lock linked moon roof operation
●The moon roof can be opened and closed using the mechanical key.* ( P. 4 5 1 )
●The moon roof can be opened using the wireless remote control.* ( P. 1 2 0 )
*: These settings must be customized at your Lexus dealer.
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch.
*1
The moon roof will close, reopen and pause for approximately 10 seconds.*2 Then it
will close again, tilt up and pause for approx imately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
●If the moon roof tilts down but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
*1 until the moon roof moves into the tilt up position
and stops.
Release the “UP” switch once and then press and hold the “UP” switch again.
*1
The moon roof will pause for approximatel y 10 seconds in the tilt up position.*2
Then it will adjust slightly and pause for approximately 1 second. Finally, it will tilt
down, open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
*1: If the switch is released at the incorrec t time, the procedure will have to be per-
formed again from the beginning.
*2: If the switch is released after the above mentioned 10 second pause, automatic operation will be disabled. In that case, press and hold the “CLOSE” or “UP” switch,
and the moon roof will tilt up and pause fo r approximately 1 second. Then it will tilt
down, open and close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure cor-
rectly, have the vehicle inspected by your Lexus dealer.
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1633-5. Opening, closing the windows and moon roof
3
Operation of each component
■Moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the power switch is turned off and the driver’s door is opened with the
moon roof open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: P. 4 9 1 )
WA R N I N G
Observe the following precautions.
Failure to do so may cause death or serious injury.
■Opening the moon roof
●Do not allow any passengers to put their hands or heads outside the vehicle while it is
moving.
●Do not sit on top of the moon roof.
■Closing the moon roof
●The driver is responsible for moon roof opening and closing operations.
In order to prevent accidental operation, espe cially by a child, do not let a child oper-
ate the moon roof. It is possible for children and other passengers to have body parts
caught in the moon roof.
●Check to make sure that all passengers do not have any part of their body in a posi-
tion where it could be caught when the moon roof is being operated.
●When using the mechanical key and operat ing the moon roof, operate the moon roof
after checking to make sure that there is no possibility of any passenger having any of
their body parts caught in the moon roof. Also, do not let a child operate moon roof
by the mechanical key. It is possible for ch ildren and other passengers to get caught in
the moon roof.
●When exiting the vehicle, turn the power swit ch off, carry the key and exit the vehicle
along with the child. There may be accidental operation, due to mischief, etc., that
may possibly lead to an accident.
■Jam protection function
●Never use any part of your body to intentio nally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
moon roof fully closes.

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4Driving
4-1. Before driving Driving the vehicle ...................... 166
Cargo and luggage ..................... 174
Vehicle load limits ........................177
Trailer towing ................................. 178
Dinghy towing............................... 179
4-2. Driving procedures Power (ignition) switch..............180
EV drive mode ............................. 185
Hybrid transmission ................... 187
Turn signal lever ........................... 192
Parking brake ................................ 193
Brake Hold ..................................... 195
4-3. Operating the lights and wipers
Headlight switch ...........................197
Automatic High Beam ............ 200
Windshield wipers and washer .................................204 4-4. Refueling
Opening the fuel tank cap ...... 210
4-5. Using the driving support systems
Lexus Safety System+ ................214
PCS (Pre-Collision System).......... 220
LKA (Lane-Keeping Assist) .......................................... 232
Dynamic radar cruise control with full-speed range ............... 241
Cruise control ............................. 253
Driving mode select switch ... 256
BSM (Blind Spot Moni tor)..............258
• The Blind Spot Monitor
function ...................................... 261
• The Rear Cross Traffic Alert function......................... 263
Driving assist systems............... 266
4-6. Driving tips Hybrid vehicle driving tips.......272
Winter driving tips ...................... 274

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4-1. Before driving
Driving the vehicle
P. 1 8 0
With the brake pedal depressed, shift the shift lever to D. ( P. 1 8 7 )
If the parking brake is in manual mode, release the parking brake. ( P. 1 9 3 )
Gradually release the brake pedal and gently depress the accelerator pedal
to accelerate the vehicle.
With the shift lever in D, depress the brake pedal.
If necessary, set the parking brake.
If the vehicle is to be stopped for an extended period of time, shift the shift lever to P.
(  P. 1 8 7 )
With the shift lever in D, depress the brake pedal.
Shift the shift lever to P. ( P. 1 8 7 )
If the parking brake is in manual mode, set the parking brake. (P. 1 9 3 )
Press the power switch to stop the hybrid system.
Lock the door, making sure that you have the electronic key on your person.
If parking on a hill, bloc k the wheels as needed.
Make sure that the parking brake is set and shift the shift lever to D.
Gently depress the accelerator pedal.
Release the parking brake.
The following procedures should be observed to ensure safe driving:
Starting the hybrid system
Driving
Stopping
Parking the vehicle
Starting off on a steep uphill
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Driving
■When starting off on a uphill
The hill-start assist control is available. (P. 2 6 7 )
■For fuel-efficient driving
Keep in mind that hybrid vehicles are similar to conventional vehicles, and it is necessary
to refrain from activities such as sudden ac celeration, etc. Refer to “Hybrid vehicle driv-
ing tips”. ( P. 2 7 2 )
■Driving in the rain
●Drive carefully when it is raining, because visibility will be reduced, the windows may
become fogged-up, and th e road will be slippery.
●Drive carefully when it starts to rain, becau se the road surface will be especially slip-
pery.
●Refrain from high speeds when driving on an expressway in the rain, because there may
be a layer of water between the tires and the road surface, preventing the steering and
brakes from operating properly.
■Restraining engine output (Brake Override System)
●When the accelerator and brake pedals are de pressed at the same time, the hybrid sys-
tem output may be restrained.
●A warning message is displayed on the multi-information display while the system is
operating. ( P. 4 2 5 )
■Restraining sudden start (Drive-Start Control)
●When the following unusual op eration is performed, the hybrid system output may be
restrained.
• When the shift lever is shifted from R to D, D to R, N to R, P to D, or P to R (D
includes S) with the accelerator pedal depressed, a warning message appears on
the multi-information display. ( P. 4 1 3 )
• When the accelerator pedal is depressed to o much while the vehicle is in reverse.
●While Drive-Start Control is being activated, your vehicle may have trouble escaping
from the mud or fresh snow. In such case, deactivate TRAC ( P. 268) to cancel Drive-
Start Control so that the vehicle may become able to escape from the mud or fresh
snow.
■Breaking in your new Lexus
To extend the life of the ve hicle, observing the followin g precautions is recommended:
●For the first 186 miles (300 km):
Avoid sudden stops.
●For the first 621 miles (1000 km):
• Do not drive at extremely high speeds.
• Avoid sudden acceleration.
• Do not drive continuously in low gears.
• Do not drive at a constant speed for extended periods.

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4-1. Before driving
■Drum-in-disc type parking brake system
Your vehicle has a drum-in-disc type parking brake system. This type of brake system
needs bedding-down of the brake shoes periodically or whenever the parking brake
shoes and/or drum are replaced. Have your Lexus dealer perform the bedding down
operation.
■Operating your vehicle in a foreign country
Comply with the relevant vehicle registration laws and confirm the availability of the cor-
rect fuel. ( P. 4 6 8 )