lock lexus LFA 2012 Technical Information / LEXUS 2012 LFA (OM77006U) Workshop Manual

193
3-1. Using the air conditioning system and defogger
3
Interior features
■Outside temperature display
●The temperature display shows temperatures within the range of -40°F (-40°C)
and 122°F (50°C).
●In the following situations, the correct outside temperature may not be dis-
played, or the display may take longer than normal to change:
• When the vehicle is stopped, or moving at low speeds (less than 15 mph [25
km/h])
• When the outside temperature has chan ged suddenly (at the entrance/exit of
a garage, tunnel, etc.)
●When “--” or “E” is displayed, the system may be malfunctioning. Take your vehi-
cle to your Lexus dealer.
CAUTION
■To prevent the windshield from fogging up
Do not use
during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outs ide air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the engine
is stopped.

200
3-1. Using the air conditioning system and defogger
CAUTION
■To prevent the windshield from fogging up
Do not use
during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the engine
is stopped.

207
3
Interior features
3-3.Using the interior lights
Interior lights list
Interior lights (P. 2 0 8 )
Down light
Ignition switch light
Door courtesy lights
■Illuminated entry system
The lights automatically turn on/off acco rding to the ignition switch position,
whether the doors are locked/unlocked, and whether the doors are open/closed.
■To prevent battery discharge
If the interior lights remain on when a door is not fully closed and the interior light
switch (door position on/off) is on, the lights will go off automatically after 20 min-
utes.
■Customization that can be configured at Lexus dealer
Settings (e.g. The time elapsed before lights turn off) can be changed.
(Customizable features
P. 383)

210
3-4. Using the storage features
Glove boxThe glove box can be opened by pr essing the lock release button and
locked and unlocked using the premium master key or master key.
Open
Unlock
Lock
The following items are attached on the back of the glove box lid: Tire pressure gauge (P. 2 7 8 )
Penlight ( P. 211)
Glove box

244
4-2. Maintenance
Vehicle exterior
Seats• Do the seat controls operate prop-
erly?
Steering wheel • Does the steering wheel rotate
smoothly?
• Does the steering wheel have the
correct amount of free play?
• There should not be any strange sounds coming from the steering
wheel.
ItemsCheck points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock system
work properly?
Fluid leaks • There should not be any signs of
fluid leakage after the vehicle has
been parked.
Ti r e s • Is the tire inflation pressure cor-
rect?
• The tires should not be damaged or excessively worn.
• The wheel bolts should not be loose.
Wa s h e r f l u i d • Is there sufficient washer fluid?
( P. 2 6 4 )
ItemsCheck points

249
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions:
■When working on the engine compartment
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, exhaust manifold, etc. right after driving as
they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flam-
mable.
■When working near the electric cooling fan
Be sure the ignition switch is in the “LOCK” position.
With the ignition on, the electric cooling fan may automatically start to run if the air
conditioning is on. ( P. 2 6 1 )
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting
in the eyes.
NOTICE
■If you remove the air cleaner filters
Driving with the air cleaner filters remo ved may cause excessive engine wear due
to dirt in the air. Also a backfire could cause a fire in the engine compartment.

250
4-3. Do-it-yourself maintenance
Hood
Release the lock from the inside of the vehicle to open the hood.
Pull the hood release lever.
The hood will pop up slightly.
Press the auxiliary catch lever to
the left and lift the hood.
Take out the supporting rod.
STEP1
STEP2
STEP3

251
4-3. Do-it-yourself maintenance
4
Maintenance and care
Insert the supporting rod into the
slot positioned on the side of the
engine compartment.
Be sure that the supporting rod is
fully inserted into the slot.
Insert the supporting rod into the
slot on the hood.
STEP4
STEP5
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.
■After inserting the supporting rod
Check to make sure that the supporting rod is properly inserted. Failure to do so
may result in the hood closing by itself and possibly causing an injury.

252
4-3. Do-it-yourself maintenance
CAUTION
■Preventing personal injury
●Turn the ignition switch to the “LOCK” position and wait for a while before open-
ing the hood so as to avoid getting caught in the moving parts of the engine. Fail-
ure to do so may result in serious injury or death.
■When closing the hood
NOTICE
■When closing the hood
●Do not apply excessive weight or force when closing the hood as doing so may
result in damage.
●Be sure that the supporting rod is firmly secured with the clip positioned on the
inside of the hood. Closing the hood with out securing the supporting rod to the
clip may result in damage to the hood , supporting rod or components in the
engine compartment.
●Do not touch the hood grille or compo-
nents in the engine compartment immedi-
ately after the engine has been driven as
doing so may result in serious injuries such
as burns.
Be careful not to get hands or other body
parts caught when closing the hood as doing
so may result in serious injury.

257
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine oilDo not use the engine oil level di pstick in the engine compartment when
checking or adding engine oil, as it is only designed to be used for oil
replacement performed by your Lexu s dealer. Make sure to use the
meter for checking and adding engine oil.
■ Checking the engine oil
Check the oil level using the “Oil Level” display on the meter.
( P. 132)
■ Adding engine oil
If the oil level is low, add engine oil.
If unsure of how much oil to add,
contact your Lexus dealer.
Prepare the following item and brand of oil:
*: Measured using the “Oil Level” display on the meter, between the minimumand maximum markings
Check the oil level using the “Oil Level” display on the meter.
( P. 132)
Stop the engine.
Remove the oil filler cap by turning it counterclockwise.
Oil brand “Mobil 1 5W-50”
Oil quantity*
(MIN MAX) Approximately 2.1 qt. (2.0L, 1.8 Imp. qt.)
Item
Clean funnel
STEP1
STEP2
STEP3