air conditioning Lexus GS450h 2016 Owner's Manual / LEXUS 2016 GS450H (OM30E99U) Owner's Guide

375
GS450h_OM_OM30E99U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Air conditioning filter
Turn the power switch off.
Open the glove box. Lift up the side
with the stay, disconnect the stay
tabs and remove the partition by
pulling horizontally.
Press the tabs and remove the filter
cover.
Press the tabs and remove the filter
case.
The air conditioning filter must be changed regularly to maintain air condi-
tioning efficiency.
Removal method
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376
GS450h_OM_OM30E99U_(U)
6-3. Do-it-yourself maintenance
Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “UP” marks shown on the filter
and the filter case should be pointing up.
■Changing interval
Inspect and replace the air conditioning filt er according to the maintenance schedule. In
dusty areas or areas with heavy traffic flow, early replacement may be required. (For
scheduled maintenance informat ion, please refer to the “Owner’s Manual Supplement”
or “Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
■Air conditioning filter with deodorizing function
When fragrances are placed in your vehicle, the deodorizing effect may become signifi-
cantly weakened in a short period.
When an air conditioning odor comes out cont inuously, replace the air conditioning filter.
5
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the system.

4287-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
Carrying out the corresponding action turns the messages off.
Wa r n i n g m e s s a g eDetails/Actions
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
When conditions improve, the system resumes
operation. If this item is displayed continuously, have
the vehicle inspected by your Lexus dealer.
Air conditioning, heater and other operations are tem-
porarily limited due to high power consumption
 Turn off unnecessary electronic equipment to
reduce power consumption.
Please wait until the power supply returns to nor-
mal.
If this item is frequently displayed, have the vehicle
inspected at your Lexus dealer immediately.
(If equipped)
Indicates that part of the PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
A buzzer also sounds.
 Remove any dirt, ice, etc.
Other displayed messages
(Flashes)
(Flashes)
(Flashes)
Wa r n i n g m e s s a g eDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required
The filter may be clogged, the air intake vent may be
blocked or there may be a gap in the duct.
 Have maintenance performed on the hybrid battery
(traction battery) cooling component at your Lexus
dealer.

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GS450h_OM_OM30E99U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 86) enters the red
zone or a loss of hybrid system power is experienced. (For example, the vehi-
cle speed does not increase.)
●“Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” or
“Hybrid System Overheated Reduced Output Power” ( P. 406) is shown on
the multi-information display.
●Steam comes out from under the hood.
■If the needle of the engine coolant temperature gauge enters the red zone
or “Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is
shown on the multi-information display
Stop the vehicle in a safe place and tu rn off the air conditioning system, and
then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has cooled down sufficiently, inspect the hoses and
cooling system for leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The following may indicate that your vehicle is overheating.
Correction procedures
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4587-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines
on the reservoir.Reservoir
“FULL”
“LOW”
Coolant inlet cap
Add coolant if necessary.
( P. 4 6 0 )
Water can be used in an emergency
if engine coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks from
the radiator or hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are op erating by checking the fan sound and air
flow. If it is difficult to check these, tu rn the air conditioning system on and off
repeatedly. (The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the hybrid system immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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GS450h_OM_OM30E99U_(U)
4998-2. Customization
8
Vehicle specifications
■Intuitive parking assist*1, 2
*1:If equipped
*2: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
■Driving mode select switch (P. 256)
FunctionDefault
settingCustomized setting
Detection distance of the front center
sensorFarNearO—O
Detection distance of the rear center
sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting
(when intuitive parking assist is operat-
ing)All sensors displayedDisplay offO—O
123
FunctionDefault
settingCustomized setting
Power train controlNormalPo w e rO——Eco
Chassis controlNormalSportO——
Air conditioning operationNormalEcoO——
123

500
GS450h_OM_OM30E99U_(U)
8-2. Customization
■Automatic air conditioning system (P. 285)
■Front seat heaters and ventilators/rear seat heaters* ( P. 3 0 0 )
*:If equipped
FunctionDefault
settingCustomized setting
A/C Auto switch operationOnOffO—O
Exhaust gas sensor informationStandard-3 to 3O—O
123
FunctionDefaultsettingCustomized setting
Adjustment of the front seat heater tem-
perature or the ventilator fan speed dur-
ing automatic operat ion (individual seat
adjustment available)
Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Adjustment of the re ar seat heater tem-
perature during automatic operation
(individual seat adjustment available)Level 3
(standard)
Level 1
(low) to level 5 (high)
O—O
Rear seat heater start-up conditions
when the power switch is in ON mode
(individual seat adjustment available)
OffOn
(AUTO)O—O
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524Alphabetical index
GS450h_OM_OM30E99U_(U)
Alphabetical index
A/C ............................................................ 285Air conditioning filter........................375
Changing the rear seat settings ................................................. 292
Front automatic air conditioning system ................................................. 285
Micro dust and pollen filter ............ 291
Rear air conditioning system........296
S-FLOW mode ................................. 286
ABS (Anti-lock Brake System)....... 266 Function ..................................................266
Warning light ...................................... 400
Warning message ............................ 406
Adaptive Front-lighting System (AFS) ....................................................... 198
Adaptive Variable Suspension system (AVS)...................................... 267
AFS (Adaptive Front-lighting System) ................................................... 198
Air conditioning filter .......................... 375
Air conditioning system ..................... 285 Air conditioning filter........................375
Changing the rear seat settings ................................................. 292
Front automatic air conditioning system ................................................. 285
Micro dust and pollen filter ............ 291
Rear air conditioning system........296
S-FLOW mode ................................. 286 Airbags ........................................................ 35
Airbag operating conditions ...........42
Airbag precautions for your child ....................................... 38
Airbag warning light ....................... 400
Correct driving posture .................... 28
Curtain shield airbag operating conditions ........................42
Curtain shield airbag precautions .......................................... 40
Front passenger occupant classification system......................... 46
General airbag precautions ........... 38
Locations of airbags............................ 35
Modification and disposal of airbags................................................. 41
Side airbag operating conditions ..............................................42
Side airbag precautions .................... 38
Side and curtain shield airbags operating conditions ........................42
Side and curtain shield airbags precautions .......................................... 38
SRS airbags ............................................. 35
Alarm ............................................................ 77 Alarm ........................................................... 77
Warning buzzer.................... 400, 406
Anchor brackets....................................... 57
Antennas (smart access system with push-button start) ..................... 133
Anti-lock Brake System (ABS) .......266 Function .................................................. 266
Warning light ...................................... 400
Warning message.............................406
A

530Alphabetical index
GS450h_OM_OM30E99U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ....................................... 148
Headlight cleaner..................... 205, 207
Headlights ................................................. 197 Adaptive Front-lighting System (AFS) .................................... 198
Headlight leveling warning message .......................... 406
Light switch .............................................197
Replacing light bulbs ....................... 388
Headlights aim ............................. 384, 517
Head-up display....................................... 101
Heated steering wheel ....................... 299
Heaters Air conditioning system ................. 285
Heated steering wheel ................... 300
Seat heaters ......................................... 300
Outside rear view mirrors .............. 291
High-voltage components .................. 70
Hood .......................................................... 347 Open ........................................................ 347
Warning message ............................ 406
Hooks Cargo hooks ......................................... 310
Coat hooks ............................................ 318
Luggage hook ...................................... 310
Retaining hooks (floor mat) ............. 26 Horn.............................................................. 151
Hybrid battery (traction battery)
Location .................................................... 70
Specification .........................................468
Hybrid battery (traction battery) air vents .....................................................70
Hybrid system............................................66 Emergency shut off system ............... 71
Energy monitor/consumption screen.......................107
EV drive mode .................................... 185
High voltage components ............... 70
Hybrid System Indicator ................... 90
Hybrid system precautions ............. 70
Hybrid vehicle driving tips .............272
If the hybrid system will not start ....................................... 446
Overheating......................................... 457
Power (ignition) switch.................... 180
Regenerative braking ..........................67
Starting the hybrid system.............. 180
Vehicle proximity notification system ......................................................67
Hybrid System Indicator ...................... 90
Hybrid transmission .............................. 187 If the shift lever cannot be shifted from P ............ 448
Paddle shift switches......................... 189
S mode..................................................... 190
H

535Alphabetical index
GS450h_OM_OM30E99U_(U)
Radar cruise control (dynamic radar cruise control with
full-speed range) .................................241
Radiator .................................................... 355
Radio
*
RBDS (Radio Broadcast Data Systems)
*
Rear air conditioning system ........... 296
Rear door sunshades ............................316
Rear personal lights............................. 303
Rear side marker lights ........................ 197 Light switch .............................................197
Replacing light bulbs ....................... 388
Welcome light illumination control ........................... 121
Rear seat heaters..................................300
Rear sunshade .........................................316 Operation ............................................... 316
Reverse operation feature...............317
Rear turn signal lights ...........................192 Replacing light bulbs ....................... 388
Turn signal lever .................................. 192
Rear view mirror Inside rear view mirror ..................... 152
Outside rear view mirrors .............. 154
Rear view monitor system
*
Rear window defoggers ......................291
Refueling ................................................... 210 Capacity ................................................ 468
Fuel types .............................................. 468
Opening the fuel tank cap................ 211
When the fuel filler door cannot be opened ........................... 212 Regenerative braking............................. 67
Remote Touch
*.................................... 280
Replacing Electronic key battery ......................377
Fuses ........................................................ 379
Light bulbs.............................................386
Tires .......................................................... 437
Reporting safety defects for U.S. owners .................................. 506
Resetting the message indicating maintenance is required ................ 340
Rev indicator ............................................. 88
Rev peak ..................................................... 88
Road accident cautions ......................... 72
Seat belts .................................................... 30 Adjusting the seat belt........................ 30
Automatic Locking Retractor .......... 31
Child restraint system installation ............................................. 59
Cleaning and maintaining the seat belt ....................................... 337
Emergency Locking Retractor (ELR) ................................... 31
How to wear your seat belt............. 30
How your child should wear the seat belt ...........................................32
Pregnant women, proper seat belt use ......................................... 33
Reminder light and buzzer ........... 402
Seat belt extender .................................32
Seat belt pretensioners ........................ 31
SRS warning light ............................. 400
R
S
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.