Page 214 of 390

2145-2. Using the air conditioning system
*: If equipped
Turn the heated steering wheel on/off
The indicator light   comes on when the 
WARNING
●Do not place anything on the instru-
ment panel which may cover the air 
outlets. Otherwise, air flow may be 
obstructed, preventing the windshield 
defoggers from defogging.
■To prevent burns
●Do not touch the rear view mirror sur-
faces when the outside rear view mir-
ror defoggers are on.
●Do not touch the glass at lower part of 
the windshield or to the side of the 
front pillars when the windshield wiper 
de-icer is on.NOTICE
■To prevent battery discharge
Do not leave the air conditioning system 
on longer than necessary when the 
engine is stopped.
Heated steering wheel*/seat 
h
eaters*/seat ventilators*
Heated steering wheel and seat 
heaters heat the side grips of the 
steering wheel and seats, respec-
tively. Seat ventilators maintain 
good ventilation using a fan built 
into the seat.
WARNING
■To prevent minor burn injuries
Care should be taken  if anyone in the fol-
lowing categories comes in contact with 
the steering wheel or seats when the 
heater is on:
●Babies, small children, the elderly, the 
sick and the physically challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or 
drugs that induce sleep (sleeping 
drugs, cold remedies, etc.)
NOTICE
■To prevent damage to the seat heat-
ers and seat ventilators
Do not put heavy objects that have an 
uneven surface on the seat and do not 
stick sharp objects (n eedles, nails, etc.) 
into the seat.
■To prevent battery discharge
Do not use the functions when the 
engine is off.
Heated steering wheel
A 
     
        
        Page 215 of 390

2155-2. Using the air conditioning system
5
Interior features
heated steering wheel is operating.
■Operation condition
The engine switch is in IGNITION ON 
mode.
■Timer function
The heated steering wheel will automati-
cally turn off after about 30 minutes.
Vehicles without seat ventilators
Each time the switch is pressed, the 
intensity of the seat heater changes 
and the level indicator lights (amber)   light as follows:
Hi (3 segments lit) Mid (2 segments 
lit)  Lo (1 segment lit) Off
Vehicles with seat ventilators
Each time the switch is pressed, the 
intensity of the seat heater changes 
and the level indicator lights (amber)   light as follows:
Hi (3 segments lit) Mid (2 segments 
lit)  Lo (1 segment lit) Off
■Operation condition
The engine switch is in IGNITION ON 
mode.
■Seat heater timer control
To enable seat heater timer control, press 
and hold the driver and front passenger 
seat heater switches at the same time when 
the vehicle is stopped until a buzzer sounds 
once. If a seat heater is turned on while seat 
heater timer control is  enabled, the intensity 
of the seat heater w ill automatically change 
from Hi Mid Lo.
The timing of the chan ge in seat heater 
intensity differs depending on the tempera-
ture inside the cabin, etc. when the seat 
heater is operating.
To disable seat heater timer control, press 
and hold the driver and front passenger 
seat heater switches at the same time until a 
buzzer sounds twice.
Seat heaters
A
WARNING
■To prevent overheating and minor 
burn injuries
Observe the following precautions when 
using the seat heaters.
●Do not cover the seat with a blanket or 
cushion when using the seat heater.
●Do not use seat heater more than nec-
essary.
A 
     
        
        Page 216 of 390
2165-2. Using the air conditioning system
Each time the switch is pressed, the 
intensity of the seat ventilator changes 
and the level indicator lights (green)  light as follows:
Hi (3 segments lit) Mid (2 segments 
lit)  Lo (1 segment lit) Off
■Operation condition
The engine switch is in IGNITION ON 
mode.
■Seat ventilator
The seat ventilators pr ovide ventilation only, 
and do not have a heating/cooling function.
Seat ventilators
A 
     
        
        Page 233 of 390

233
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 234
Cleaning and protecting the vehi- cle interior ................................. 237
6-2. Maintenance Maintenance requirements........................................................ 240
General maintenance .............. 241
Emission inspection and mainte- nance (I/M) programs ......... 244
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................ 245
Hood............................................... 247
Positioning a floor jack............ 247
Engine compartment............... 249
Tires ................................................ 257
Tire inflation pressure .............. 263
Wheels........................................... 265
Air conditioning  filter...............266
Electronic key battery ............. 267
Checking and replacing fuses ........................................................ 269
Headlight aim............................... 271
Light bulbs .................................... 272 
     
        
        Page 237 of 390

2376-1. Maintenance and care
6
Maintenance and care
Remove dirt and dust using a vac-
uum cleaner. Wipe dirty surfaces 
with a cloth dampened with luke-
warm water.
 If dirt cannot be removed, wipe it off 
with a soft cloth dampened with 
neutral detergent diluted to approx-
imately 1%.
Wring out any excess water from the cloth 
and thoroughly wipe off remaining traces 
of detergent and water.
■Shampooing the carpets
There are several commercial foaming-type 
cleaners available. Use a sponge or brush 
to apply the foam. Rub in overlapping cir-
cles. Do not use water. Wipe dirty surfaces 
and let them dry. Excellent results are 
obtained by keeping the carpet as dry as 
possible.
■Handling the seat belts
Clean with mild soap and lukewarm water 
using a cloth or sponge. Also check the 
belts periodically for  excessive wear, fraying 
or cuts.
■When cleaning the carpeted portions of 
the glove box, console box, etc.
If a strong adhesive ta pe is used, there is a 
possibility that the surface of the carpet 
could be damaged.
NOTICE
• Brake parts
●Keep the cleaning nozzle at least 11.9 
in. (30 cm) away from the vehicle 
body. Otherwise resin 
section, such as 
moldings and bumpers, may be 
deformed and damaged.
Also, do not continuously hold the nozzle 
in the same place.
●Do not spray the lower part of the 
windshield continuously.
If water enters the air conditioning sys-
tem intake located near  the lower part of 
the windshield, the air conditioning sys-
tem may not operate correctly.
Cleaning and protecting the 
v
ehicle interior
Perform cleaning in a manner 
appropriate to each component 
and its material.
Protecting the vehicle interior 
     
        
        Page 266 of 390

2666-3. Do-it-yourself maintenance
1Turn the engine switch off.
2 Open the glove box.  Lift up the side 
with the stay, disconnect the stay 
tabs and remove the partition by 
pulling horizontally.
3 Press the tabs and remove the filter 
cover. 4
Press the tabs and remove the filter 
case.
5 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 sh ould be pointing up.
■Checking interval
Inspect and replace the air conditioning fil-
ter according to the maintenance schedule. 
In dusty areas or areas with heavy traffic 
flow, early replacement may be required. 
(For scheduled maintenance information, 
please refer to the “Owner’s Manual Sup-
plement” or “Scheduled Maintenance”.)
■If air flow from the vents decreases dra-
matically
The filter may be clogged. Check the filter 
and replace if necessary.
■Air conditioning filt er with deodorizing 
function
When fragrances are placed in your vehi-
cle, the deodorizing effect may become 
significantly weakened in a short period.
Air conditioning filter
The air conditioning filter must be 
changed regularly to maintain air 
conditioning efficiency.
Removing the air conditioning 
filter 
     
        
        Page 267 of 390

2676-3. Do-it-yourself maintenance
6
Maintenance and care
When an air conditioning odor comes out 
continuously, replace the air conditioning 
filter.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-but-
ton start and wireless remote control will 
not function properly.
●The operational range will be reduced.
■When the card key battery needs to be 
replaced (if equipped)
The battery for the card key is available only 
at Lexus dealers. Your Lexus dealer can 
replace the battery for you.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus 
dealer, local electrical appliance shops or 
camera stores.
●Replace only with the same or equivalent 
type recommended by  the manufacturer.
●Dispose of used batteries according to 
local laws.
NOTICE
■When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without 
a filter may cause damage to the system.
Electronic key battery
Replace the battery with a new one 
if it is depleted.
As the key may be damaged if the 
following procedure is not per-
formed properly, it is recom-
mended that key battery 
replacement be performed by your 
Lexus dealer.
Items to prepare 
     
        
        Page 313 of 390

3117-2. Steps to take in an emergency
7
When trouble arises
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 
radiator core (radiator) for any 
leaks.
WARNING
●When working with the battery, always 
wear safety glasses and take care not 
to allow any battery fluids (acid) to 
come into contact with skin, clothing 
or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes 
into contact with the skin or eyes, 
immediately wash the affected area 
with water and seek medical attention. 
Place a wet sponge or cloth over the 
affected area until medical attention 
can be received.
●Always wash your hands after handling 
the battery support, terminals, and 
other battery-related parts.
●Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, 
ensure that they do not become entan-
gled in the cooling fans or engine drive 
belt.
If your vehicle overheats
The following may indicate that 
your vehicle is overheating.
 The engine coolant temperature 
gauge ( P.64) 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 Stop 
in a Safe Place See Owner’s 
Manual” is shown on the 
multi-information display.
 Steam comes out from under the 
hood.
Correction procedures