air conditioning Lexus IS200t 2017 s Service Manual

5788-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
Stop using unnecessary electric components to
reduce electricity consumpt ion. Wait a while until
the electric power supply is restored.
If this message is frequently displayed, have the
vehicle inspected by any authorized Lexus retailer
or Lexus authorized repairer, or any reliable
repairer immediately.
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
 When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that part of the PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
Remove any dirt, ice, etc.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)

6228-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
●The needle of the engine coolant temperature gauge (P. 93) enters the red
zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●“Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is
shown on the multi-information display.
●Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

6248-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
Start the engine and turn the air conditioning system on to check that the radi-
ator 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 operating by checking the fan sound and air flow.
If it is difficult to check these, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
If the fans are operating:
Have the vehicle inspected at the nearest authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
Check if “Engine Coolant Temp High Stop in a Safe Place See Owner’s Man-
ual” is shown on the multi-information display.
If the message does not disappear:
Stop the engine and contact any author ized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
If the message is not displayed:
Have the vehicle inspected at the nearest authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
6
7
8

647
9
9-2. Customization
Vehicle specifications
IS200t_EE(OM53D77E)
■Automatic air conditioning system (
P. 450)
■Seat heaters* ( P. 463)
*:If equipped
FunctionDefault settingCustomized setting
Switching between outside air
and recirculated air mode linked
to “AUTO” switch operationOnOffOO
A/C Auto switch operationOnOffOO
12
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnOO
12

656
IS200t_EE(OM53D77E)
Alphabetical index
Alphabetical index
A/C ............................................................450Air conditioning filter........................525
Automatic air conditioning system ................................................. 450
S-FLOW mode..................................453
Blower customization .....................459
AAC disc ................................................ 380
ABS (Anti-lock Brake System) .......340 Warning light ...................................... 555
Air conditioning filter ..........................525
Air conditioning system .....................450 Air conditioning filter........................525
Automatic air conditioning system ................................................. 450
S-FLOW mode..................................453
Blower customization .....................459 Airbags .......................................................... 41
Airbag manual on-off system........... 51
Airbag operating conditions ........... 47
Airbag precautions for
your child ...............................................43
Correct driving posture.....................34
Curtain shield airbag operating conditions .............................................. 47
Curtain shield airbag precautions .......................................... 45
General airbag precautions ............43
Locations of airbags ............................. 41
Modification and disposal of airbags.....................................................46
Side airbag operating conditions .............................................. 47
Side airbag precautions.....................43
Side and curtain shield airbags operating conditions ........................ 47
Side and curtain shield airbags
precautions ...........................................43
SRS airbags ............................................... 41
SRS warning light .............................. 554
Airbag manual on-off system ............... 51
Alarm ..............................................................81
Anchor brackets ...................................... 65
Antennas (smart entry & start system) .......................................... 141
A

662Alphabetical index
IS200t_EE(OM53D77E)
Fuel consumptionAverage fuel
economy............................... 116, 117, 119
Current fuel consumption................ 116
Fuel filler door ........................................ 234 If the fuel filler door
cannot be opened ......................... 236
Refueling ................................................ 234
Fuel gauge .................................................. 93
Fuel pump shut off system .................553
Fuses ......................................................... 530
Gauges ........................................................ 93
Gear positions ........................................ 214
Glove box ................................................ 469
Glove box light ...................................... 469 Hands-free system
(for cellular phone) ........................... 405
Head restraints ........................................166
Headlight cleaner................................. 226
Headlights .................................................218
Automatic High Beam system.................................................... 221
Follow me home system.................. 219
Light switch............................................. 218
Replacing light bulbs ....................... 540
Heaters ..................................................... 450
Air conditioning system ................. 450
Heated steering wheel ................... 463
Outside rear view mirrors ............ 458
Seat heaters.......................................... 464
Hill-start assist control........................ 340
Hood .......................................................... 497 Open ....................................................... 497
Pop Up Hood ........................................ 53
Hooks Cargo hooks ........................................ 472
Coat hooks........................................... 479
Retaining hooks (floor mat) .............32
Horn .............................................................169
G
H