2016 Lexus IS200t air conditioning

4497-3. Do-it-yourself maintenance
7
Maintenance and care
IS350/300/200t_U (OM53D18U)
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.
■Checking 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.
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.

4748-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
●Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge needle continually points higher than nor-
mal.
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the engine
●Engine missing, stumbling or running roughly
●Appreciable loss of power
●Vehicle pulls heavily to one side when braking
●Vehicle pulls heavily to one side when driving on a level road
●Loss of brake effectiveness, spongy feeling, pedal almost touches the floor
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4918-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D18U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle.
■Wa r n i n g m e s s a g e s
The warning message illustrations used are intended as examples, and may differ from
the image that is actua lly displayed on the multi-information display.
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning messag e may not be displayed even if vehicle-to-
vehicle distance decreases:
●When the speed of the preceding vehicle matches or exceeds your vehicle speed
●When the preceding vehicle is traveling at an extremely slow speed
●Immediately after the cruise control speed was set
●When depressing the accelerator pedal
■The LDA (Lane Departure Alert) lane departure warning function (if equipped)
In the following situations, the warning messag e will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func-
tions
●When the lane lines cannot be recognized
■Resetting the message indicating maintenance is required (U.S.A. only)
Make sure to reset the oil change system. ( P. 4 1 3 )
■Conditions that the tire pressure warning system may not function properly
P. 4 3 9
■Warning buzzer
P. 4 7 9
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 consumption. Wait a while until
the electric power supply is restored.
(If equipped)
Indicates that the LDA (Lane Departure Alert) system
cannot be used because the vehicle speed is lower than
approximately 32 mph (50 km/h)
Drive the vehicle at 32 mph (50 km/h) or higher.
Wa r n i n g m e s s a g eDetails/Actions

5168-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
●The needle of the engine coolant temperature gauge (P. 81) enters the red
zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●“Engine Coolant High Temperature” is shown on the multi-information dis-
play.
●Steam comes out from under the hood.
Stop the vehicle in a safe place and tu rn 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 your Lexus
dealer.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

5188-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
Add coolant if necessary.
Water can be used in an emergency if coolant is unavailable.
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 oper ating by checking the fan sound and air flow.
If it is difficult to check th ese, 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 your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
Check if “Engine Coolant High Temperat ure” is shown on the multi-informa-
tion display.
If the message does not disappear:
Stop the engine and contact your Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest Lexus dealer.
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Engine (IS350/IS300)Engine (IS200t)
Intercooler (IS200t only)
6
7
8

5589-2. Customization
IS350/300/200t_U (OM53D18U)
■Automatic light control system ( P. 1 7 8 )
■Lights ( P. 1 7 8 )
*: U.S.A. only
■Intuitive parking assist*1 ( P. 2 2 3 )
*1:If equipped
*2: When intuitive parking assist is operating.
■Automatic air conditioning system ( P. 3 6 8 )
■Seat heaters* ( P. 3 76 )
*:If equipped
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Time elapsed before head-
lights automatically turn off
after doors are closed
30 seconds
Off
O—O60 seconds
90 seconds
123
FunctionDefault settingCustomized setting
Daytime running light sys-
tem*OnOffO—O
123
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*2All sensors dis-
playedDisplay offO—O
123
FunctionDefault settingCustomized setting
A/C Auto switch operationOnOffO—O
123
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnO—O
123

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IS350/300/200t_U (OM53D18U)Alphabetical index
Alphabetical index
A/C ............................................................ 368
Air conditioning filter....................... 448
Automatic air conditioning system ................................................. 368
AAC disc ................................................. 306
ABS (Anti-lock Brake System)....... 249 Function ..................................................249
Warning light ....................................... 476
Accent color.............................................. 89
Adaptive Variable Suspension system ........................... 250
Air conditioning filter .......................... 448
Air conditioning system ..................... 368 Air conditioning filter....................... 448
Automatic air conditioning system ................................................. 368 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 44
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags............................................... 43
Side airbag operating conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 44
Side and curtain shield airbags precautions ......................... 39
SRS airbags ............................................. 36
SRS warning light .............................. 476
A

587Alphabetical index
IS350/300/200t_U (OM53D18U)
Front turn signal lights .......................... 175Replacing light bulbs ........... 457, 459
Turn signal lever .................................. 175
Wattage ................................................. 536
Fuel ...............................................................194 Capacity .................................................526
Fuel gauge ................................................. 81
Fuel pump shut off system............. 475
Information ............................................537
Refueling.................................................. 194
Type ............................................... 194, 526
Warning light ....................................... 477
Fuel consumption Average fuel economy ...................... 87
Current fuel consumption ................ 87
Fuel filler door ..........................................194 If the fuel filler door cannot be opened .......................... 196
Refueling.................................................. 194
Fuel gauge ....................................................81
Fuel pump shut off system................. 475
Fuses .......................................................... 452
Garage door opener .......................... 392
Gauges ..........................................................81
Gear positions ......................................... 173
Glove box ................................................ 382
Glove box light ...................................... 382 Hands-free system
(for cellular phone)........................... 330
HD Radio
® system .............................. 300
Head restraints......................................... 131
Headlights ................................................. 178 Discharge headlights precautions ....................................... 464
Light switch.............................................178
Replacing light bulbs ....................... 463
Wattage .................................................536
Headlights cleaner ................................ 187
Heaters Air conditioning system .................368
Heated steering wheel ................... 376
Outside rear view mirrors .............372
Seat heaters ...........................................377
Hill-start assist control ........................249
Hood ........................................................... 421 Open ......................................................... 421
Hooks Cargo hooks .......................................385
Coat hooks .............................................391
Retaining hooks (floor mat)............. 26
Horn............................................................. 135
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