2013 Lexus IS300h power

4076-1. Using the air conditioning system
6
Interior features
IS300h_EE(OM53B95E)
Registering air conditioning settings to electronic keys (vehicles with driving
position memory)
Unlocking the vehicle using an electronic key and turning the power switch to
ON mode will recall that key’s registered air conditioning settings.
When the power switch is turned off, the current air conditioning settings will
automatically be registered to the electronic key that was used to unlock the
vehicle.
The system may not operate correctly if more than one electronic key is in the
vicinity or if the smart entry & start system is used to unlock a passenger door.
The doors that can recall the air conditioning setting when unlocked using the
smart entry & start system can be changed.* For details, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
*: The doors that can recall the driving position memory are changed at the same
time.
Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed or “AUTO” is selected.
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high. Turning
(“A/C”) on will dehumidify the air from the outlets and defog the wind-
shield effectively.
If you turn (“A/C”) off, the windows may fog up more easily.
The windows may fog up if the recirculated air mode is used.
Outside/recirculated air mode
When driving on dusty roads such as tunnels or in heavy traffic, set the outside/
recirculated air mode button to the recirculated air mode. This is effective in
preventing outside air from entering the vehicle interior. During cooling opera-
tion, setting the recirculated air mode will also cool the vehicle interior effec-
tively.
Outside/recirculated air mode may automatically switch depending on the tem-
perature setting or the inside temperature.
Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled as follows to priori-
tize fuel efficiency:
Engine speed and compressor operation controlled to restrict heating/cooling
capacity
Fan speed restricted when automatic mode is selected
To improve air conditioning performance, perform the following operations:
Adjust the fan speed
Turn off Eco drive mode

4106-1. Using the air conditioning system
IS300h_EE(OM53B95E)
The heated steering wheel can be used when the power switch is in ON mode.
The heated steering wheel will automatically turn off after about 30 minutes.
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 seg-
ments lit)  Lo (1 segment lit) 
Off
The seat heaters can be used when the power switch is in ON mode.
Seat heater timer control: The seat heater automatically switches from
HiMidLo. The switching timing differs depending on the temperature
inside the cabin etc. when the seat heater was operated.
The seat heater timer control can be turned on and off by pressing the seat
heater switches for the driver side and front passenger side at the same time
until a buzzer sounds. The buzzer will beep once when the seat heater timer
control is turned on and twice when it is turned off.
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 seg-
ments lit)  Lo (1 segment lit) 
Off
The seat ventilators can be used when the power switch is in ON mode.
Seat heaters
Ty p e A Ty p e B
Seat ventilators

4126-2. Using the interior lights
IS300h_EE(OM53B95E)
Turns the light on/off
Turns the door position on/off
Turns the light on/off
Illuminated entry system: The lights automatically turn on/off according to
power switch mode, the presence of the electronic key, whether the doors are
locked/unlocked, and whether the doors are opened/closed.
If the interior lights remain on when the door is not fully closed and the interior
light main switch is in the door position, the lights will go off automatically
after 20 minutes.
Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 575)
Interior lights
1
2
Personal lights
FrontRear
NOTICE
To prevent 12-volt battery discharge, do not leave the lights on longer than neces-
sary when the hybrid system is off.

4146-3. Using the storage features
IS300h_EE(OM53B95E)
Open (press the button)
Unlock with the mechanical key
Lock with the mechanical key
The glove box light turns on when the power switch is in ACCESSORY or ON
mode.
The trunk opener main switch is located in the glove box. (P. 145)
Push the knob.
Lift by hand to fully open the con-
sole box.
Glove box
1
2
3
The insert inside the glove box can be
removed.
Console box

4216-4. Using the other interior features
6
Interior features
IS300h_EE(OM53B95E)
The power outlet can be used for 12 V accessories that run on less than 10
A.
Open the lid.
The power outlet can be used when the power switch is in ACCESSORY or ON
mode.
Power outlet
To fully close the console box with the
cable routed to outside the console box,
insert the cable into the holder.
NOTICE
To avoid the damaging the power outlet, close the power outlet lid when the
power outlet is not in use. Foreign objects or liquids that enter the power out-
let may cause a short circuit.
To prevent blown fuse, do not use an accessory that uses more than 12 V 10
A.
To prevent 12-volt battery discharge, do not use the power outlet longer than
necessary when the hybrid system is off.

4236-4. Using the other interior features
6
Interior features
IS300h_EE(OM53B95E)
The rear sunshade can be used when the power switch is in ON mode.
The rear sunshade can be operated for approximately 1 minute even after the
power switch is turned to ACCESSORY mode or turned off.
Reverse operation feature: To ensure adequate rear visibility, the rear sunshade
automatically lowers when the shift lever is shifted to R.
However, the rear sunshade is raised again if any of the following occurs:
• The button is pressed again.
*
• The shift lever is shifted into P.
• The shift lever is shifted out of R, and the vehicle reaches a speed of 15 km/
h (9 mph).
If the hybrid system is off when the rear sunshade has been lowered due to the
reverse operation feature, it will not be raised even when the hybrid system is
turned on again and the vehicle reaches a speed of 15 km/h (9 mph). To raise
the sunshade again, press the button.
*: Occasionally, the reverse function may not be carried out after the switch has
been pressed. Repeat the above operation to operate the function.
CAUTION
When the rear sunshade is being operated, do not place fingers or other objects
in the fastener section or in the opening. They may get caught, causing injury.
NOTICE
To prevent 12-volt battery discharge, do not operate the rear sunshade when
the hybrid system is off.
Observe the following precautions to ensure normal operation of the rear sun-
shade.
• Do not place excessive load on the motor or other components of the rear
sunshade.
• Do not place objects where they may hinder opening and closing opera-
tions.
• Do not attach items to the rear sunshade.
• Keep the opening clean and clear of obstructions.
• Do not operate the rear sunshade continuously for long periods of time.

4347-2. Maintenance
IS300h_EE(OM53B95E)
Where to go for maintenance service?
In order to maintain your vehicle in the best possible condition, Lexus recom-
mends that maintenance service operations as well as other inspections and
repairs be carried out by authorized Lexus dealers or repairers or other duly qual-
ified and equipped professionals. For repairs and services covered by your war-
ranty, please visit an authorized Lexus dealer or repairer, who will use genuine
Lexus parts in repairing any difficulties you may encounter. There can also be
advantages in utilizing authorized Lexus dealers or repairers for non-warranty
repairs and services, as members of the Lexus network will be able to expertly
assist you with any difficulties you may encounter.
Your Lexus dealer or repairer, or another duly qualified and equipped profes-
sional will perform all of the scheduled maintenance on your vehicle reliably and
economically due to their experience with Lexus vehicles.
Does your vehicle need repairs?
Be on the alert for changes in performance and sounds, and visual tip-offs that
indicate service is needed. Some important clues are:
Engine missing, stumbling or pinging
Appreciable loss of power
Strange engine noises
A fluid leak under the vehicle (However, water dripping from the air condition-
ing system after use is normal.)
Change in exhaust sound (This may indicate a dangerous carbon monoxide
leak. Drive with the windows open and have the exhaust system checked imme-
diately.)
Flat-looking tires, excessive tire squeal when cornering, uneven tire wear
Vehicle pulls to one side when driven straight on a level road
Strange noises related to suspension movement
Loss of brake effectiveness, spongy feeling brake pedal, pedal almost touches
the floor, vehicle pulls to one side when braking
Engine coolant temperature continually higher than normal (P. 110)
If you notice any of these clues, take your vehicle to any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional as soon as possi-
ble. Your vehicle may need adjustment or repair.
CAUTION
If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and possi-
ble death or serious injury.
Handling of the 12-volt battery
12-volt battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands after
handling.
(P. 447)

435
7
Maintenance and care
IS300h_EE(OM53B95E)7-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct
procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition (P.
447)•Grease
• Conventional wrench (for terminal clamp bolts)
Engine/power con-
trol unit coolant
level (P. 444)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-amine,
non-nitrite and non-borate coolant with long-life
hybrid organic acid technology
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(P. 440)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 475)• Fuse with same amperage rating as original
Light bulbs
(P. 479)
• Bulb with same number and wattage rating as original
• Phillips-head screw-
driver• Flathead screwdriver
• Wrench
Radiators and con-
denser (P. 446)
Tire inflation pres-
sure (P. 466)• Tire pressure gauge• Compressed air source
Washer fluid
(P. 446)• Water or washer fluid containing antifreeze (for winter
use)
• Funnel (used only for adding water or washer fluid)