2018 Lexus LC500 air conditioning

400
-$@-$I@0.@0.&@ &&

7-2. Steps to take in an emergency
1Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled down
sufficiently, inspect the hoses and
WARNING
■After recharging the 12-volt battery
Have the 12-volt battery inspected at any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer as soon as possible. If the 12-volt battery is deteriorating, continued use may cause the 12-volt battery to emit a
malodorous gas, which may be detri- mental to the health of passengers.
■When exchanging the 12-volt battery
After exchanging, securely attach the exhaust hose and exhaust hole plug to
the exhaust hole of the exchanged 12- volt battery. If not properly installed, gases (hydrogen) may leak into the vehi-
cle interior, and there is the possible dan- ger of the gas igniting and exploding.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-gled in the cooling fan or engine drive
belt.
■To prevent damaging the vehicle
The exclusive jump starting terminal is to be used when charging the 12-volt bat-tery from another vehicle in an emer-
gency. It cannot be used to jump start another vehicle.
If your vehi cle overheats
(LC500)
The following may indicate that
your vehicle is overheating.
 The engine coolant temperature
gauge ( P.88) is in the red zone
or a loss of engine power is expe-
rienced. (For example, the vehicle
speed does not increase.)
 “Engine Coolant Temp High” is
shown on the multi-information
display.
 Steam comes out from under the
hood.
Correction procedures

401
7
-$@-$I@0.@0.&@ &&

7-2. Steps to take in an emergency
When trouble arises
radiator core (radiator) for any
leaks.
Radiator
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4 The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F” line
“L” line
Coolant inlet cap
5 Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
6 Start the engine and turn the air
conditioning system on to check
that the radiator cooling fan oper-
ates and to check for coolant leaks
from the radiator or hoses.
The fan operates when the air conditioning
system is turned on immediately after a cold start. Confirm that the fan is operating by checking the fan sound and air flow. If it
is difficult to check these, turn the air con- ditioning system on and off repeatedly. (The fan may not operate in freezing tem-
peratures.)
7 If the fan is not operating:
Stop the engine immediately and
contact any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
If the fan is operating:
Have the vehicle inspected at the
nearest authorized Lexus retailer
or Lexus authorized repairer, or any
reliable repairer.
■When adding coolant
Add coolant in accordance with the follow- ing procedure.
1 Remove the service cover.
A
B
A
B
C
D

403
7
-$@-$I@0.@0.&@ &&

7-2. Steps to take in an emergency
When trouble arises
If 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
1 Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the hybrid system.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the hybrid system has cooled
down sufficiently, inspect the hoses
and cooling system for leaks.
Radiator
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4 The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F” line
“L” line
Coolant inlet cap
5 Add coolant if necessary.
Water can be used in an emergency if
If your vehicle overheats
(LC500h)
The following may indicate that
your vehicle is overheating.
 The engine coolant temperature
gauge ( P.88) enters the red
zone or a loss of hybrid system
power is experienced. (For exam-
ple, the vehicle speed does not
increase.)
 “Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” or “Hybrid System
Overheated Reduced Output
Power” is shown on the multi-
information display.
 Steam comes out from under the
hood.
Correction procedures
A
B
A
B
C
D

404
-$@-$I@0.@0.&@ &&

7-2. Steps to take in an emergency
engine coolant is unavailable.
6 Start the hybrid system and turn the
air conditioning system on to check
that the radiator cooling fan oper-
ates and to check for coolant leaks
from the radiator or hoses.
The fan operates when the air conditioning system is turned on immediately after a
cold start. Confirm that the fan is operating by checking the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly. (The fan may not operate in freezing tem-peratures.)
7 If the fan is not operating:
Stop the hybrid system immediately
and contact any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
If the fan is operating:
Have the vehicle inspected at the
nearest any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
If “Hybrid System Overheated
Reduced Output Power” is shown
on the multi-information display
1 Stop the vehicle in a safe place.
2 Stop the hybrid system and care-
fully lift the hood.
3 After the hybrid system has cooled
down, inspect the hoses and radia-
tor core (radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4 The coolant level is satisfactory if it
is between the “F”/“FULL” and
“L”/“LOW” lines on the reservoir.
Reservoir
A
B
A

432
-$@-$I@0.@0.&@ &&

8-2. Customization
■Lights (P.191)
■Automatic air conditioning system (P.280)
■Seat heater/seat ventilators (P.288)
■Heated steering wheel* (P.288)
*: If equipped
■Illumination (P.291)
FunctionDefault settingCustomized setting
Welcome light illumination controlOnOff——O
FunctionDefault settingCustomized setting
Switching between outside air and
recirculated air mode linked to
“AUTO” switch operation
OnOffO—O
A/C auto switch operationOnOffO—O
Exhaust gas sensor sensitivityStandard-3 to 3O—O
FunctionDefault settingCustomized setting
Driver’s seat temperature prefer-
ence in automatic modeStandard-2 (cooler) to 2
(warmer)O—O
Passenger’s seat temperature pref-
erence in automatic modeStandard-2 (cooler) to 2
(warmer)O—O
FunctionDefault settingCustomized setting
Steering wheel heating preference
in automatic modeStandard-2 (low) to 2 (high)O—O
FunctionDefault settingCustomized setting
Time elapsed before the interior
lights turn off15 seconds
Off
O—O7.5 seconds
30 seconds
Operation after the engine switch
is turned offOnOff——O
ABC
ABC
ABC
ABC
ABC

435
8
-$@-$I@0.@0.&@ &&

8-2. Customization
Vehicle specifications
■Vehicle customization
●When the speed-detecting automatic door lock and shift-linked automatic door
lock are both on, the door lock operates as follows.• When shifting the shift position to any
position other than P, both side the doors will be locked.• If the vehicle is started with both side
doors locked, the speed-detecting auto- matic door lock will not operate.
• If the vehicle is started with any door unlocked, the speed-detecting auto-matic door lock will operate.
●When the smart entry & start system is off, the entry unlock function cannot be
customized.
●When the doors remain closed after
unlocking the doors and the timer acti- vated automatic door lock function acti-vates, signals will be generated in
accordance with the operational signal (Emergency flashers) function setting.
●Some settings can be changed using a switch or the audio system screen. If a setting is changed using a switch, the
changed setting will not be reflected on the audio system screen until the engine switch is turned off and
then to IGNITION ON mode .
Chassis control in custom modeNormalSportO——Comfort
Air conditioning operation in cus-
tom modeNormalEcoO——
FunctionDefault settingCustomized settingABC

441
-$@-$I@0.@0.&@ &&

Alphabetical index
Alphabetical index
A
A/C................................................................... 280
Air conditioning filter................................ 347
Automatic air conditioning system .. 280
Pollen removal mode ..............................285
ABS (Anti-lock Brake System) ..............262
Function .......................................................... 262
Warning light ...............................................369
Active rear wing ...........................................259
Adaptive Variable Suspension System
(AVS) .............................................................262
Airbag manual on-off system .....................46
Airbags ................................................................35
Airbag manual on-off system ................. 46
Airbag operating conditions................... 37
Airbag precautions for your child ........ 40
Correct driving posture ............................ 29
Curtain shield airbag operating condi-
tions .................................................................. 37
Curtain shield airbag precautions........ 40
General airbag precautions ................... 40
Locations of airbags.................................... 35
Modification and disposal of airbags . 42
Side airbag operating conditions ......... 37
Side airbag precautions ............................ 40
Side and curtain shield airbags operating
conditions ...................................................... 37
Side and curtain shield airbags precau-
tions .................................................................. 40
SRS airbags ..................................................... 35
SRS warning light.......................................369
Air conditioning filter.................................. 347
Air conditioning system............................ 280
Air conditioning filter................................ 347
Automatic air conditioning system .. 280
Pollen removal mode ..............................285
Alarm ................................................................... 76
Alarm .................................................................. 76
Warning buzzer ........................................ 368
Anchor brackets..................................... 49, 60
Antennas (smart entry & start system). 122
Anti-lock Brake System (ABS) ..............262
Function .......................................................... 262
Warning light .............................................. 369
Approach warning ......................................235
Automatic headlight leveling system.... 192
Automatic High Beam ................................ 193
Automatic light control system .................191
Automatic transmission.............................. 173
M mode ........................................................... 178
Paddle shift switches ....................... 177, 178
Snow mode..................................................... 177
Auxiliary net ...................................................293
Average fuel economy .................................94
Average vehicle speed.................................94
AVS (Adaptive Variable Suspension Sys-
tem).................................................................262
B
Back-up lights
Replacing light bulbs ............................... 355
Battery (12-volt battery) ............................325
Battery checking ........................................325
If the 12-volt battery is discharged ....392
Preparing and checking before winter
..........................................................................269
Replacing ...................................................... 398
Warning light .............................................. 368
Battery (traction battery) .............................65
Blind Spot Monitor (BSM) ...................... 248
Blind Spot Monitor function .................254
Rear Crossing Traffic Alert function 256
Brake
Brake hold ...................................................... 189
Fluid.................................................................... 418
Parking brake................................................ 187
Regenerative braking .................................63
Warning light .................................. 368, 373
Warning message .....................................379
Brake assist .....................................................262

445
-$@-$I@0.@0.&@ &&

Alphabetical index
Correct driving posture ............................ 29
Driving position memory ........................ 140
Head restraints..............................................143
Jam protection function............................139
Memory recall function ............................. 141
Seat heaters ................................................. 288
Seat position memory .............................. 140
Seat ventilators ........................................... 288
Front turn signal lights
Replacing light bulbs................................355
Turn signal lever .......................................... 186
Fuel...................................................................... 201
Capacity ........................................................... 412
Fuel gauge........................................................88
Fuel pump shut off system..................... 367
Information ...................................................... 421
Refueling ......................................................... 201
Type ....................................................................412
Warning light ............................................... 373
Fuel consumption
Average fuel consumption after refueling
............................................................................ 94
Average fuel economy .............................. 94
Current fuel consumption ........................ 94
Fuel filler door................................................. 201
If the fuel filler d oor cannot be opened
........................................................................ 388
Refueling ......................................................... 201
Fuel gauge......................................................... 88
Fuel pump shut off system ........................367
Fuses................................................................. 350
G
Gauges............................................................... 88
Gear Shift Indicator ...........................178, 185
Glove box .......................................................293
Glove box light..............................................293
Grocery bag hooks.....................................295
H
Headlight cleaners ....................................... 196
Headlights ..........................................................191
Automatic High Beam system ............. 193
Follow me home system ......................... 192
Light switch ...................................................... 191
Replacing light bulbs ............................... 355
Head restraints............................................... 143
Head-up display ..............................................99
Heated steering wheel.............................. 288
Heaters
Air conditioning system ......................... 280
Heated steering wheel ........................... 288
Outside rear view mirrors...................... 281
Seat heaters ................................................. 288
High-voltage components ..........................65
Hill-start assist control................................262
Hood .................................................................. 316
Open ................................................................. 316
Pop Up Hood................................................. 43
Hooks
Cargo hooks ............................................... 295
Coat hooks .................................................. 298
Grocery bag hooks................................. 295
Retaining hooks (floor mat) .....................28
Horn.................................................................... 145
Hybrid battery (traction battery)
Location .............................................................65
Specification ...................................................412
Warning message ....................................... 68
Hybrid battery (traction battery) air vents
............................................................................ 68
Hybrid system...................................................62
Emergency shut off system..................... 68
Energy monitor/consumption screen104
EV drive mode............................................... 171
High voltage components........................65
Hybrid System Indicator ......................... 103
Hybrid system precautions......................65
Hybrid vehicle driving tips..................... 267