ignition lexus LFA 2012 Technical Information / LEXUS 2012 LFA (OM77006U) Owner's Manual

112
2-1. Driving procedures
Turn signal lever
The turn signal lever can be used to show the following intentions of the driver:
Right turn
Left turn
Move and hold the lever part-
way to signal a lane change
The right hand signal will flash until
you release the lever.
Move and hold the lever part-
way to signal a lane change
The left hand signal will flash until
you release the lever.
■Turn signals can be operated when
The ignition switch is in the “ON” position.
■If the indicator flashes faster than usual
A light bulb in the front or rear turn signal light may have burned out. Have the vehi-
cle inspected at your Lexus dealer.

113
2-1. Driving procedures
2
When driving
Parking brake
For the parking brake, an electrical parking brake system is adopted.
Press the switch to set the park-
ing brake.
If the parking brake switch is oper-
ated when the ignition switch is not
in the “ON” position, the parking
brake indicator light will come on
and stay on for a while.
Press and hold the parking brake
switch if an emergency occurs and
it is necessary to operate the park-
ing brake while driving. The park-
ing brake is applied only while the
switch is being pressed.
Pull the switch to release the
parking brake.
Operate the parking brake switch
while depressing the brake pedal.
Make sure that the parking brake
indicator light goes off.
U.S.A.
Canada
■Parking brake operation
●When the ignition switch is not in th e “ON” position, the parking brake cannot
be released using the parking brake switch.
●If the parking brake is operated repeated ly over a short period of time, the sys-
tem may restrict operation to prevent over heating. In this case, “Parking brake
overheat” is shown on the meter. ( P. 3 2 7 )
■Parking brake operation sound
The motor sounds when the parking brake operates. This does not indicate a mal-
function.
■Parking brake indicator light
When the ignition switch is turned to the “ACC” or “LOCK” position with the park-
ing brake set, the parking brake indicator light will stay on for a while. This does not
indicate a malfunction.

122
2-2. Instrument cluster
■Indicators
The indicators inform the driver of th e operating state of the vehicle’s
various systems.
*1: These lights turn on when the ignition switch is turned to the “ON” position to indicate that a system check is being performed. They will turn off after the
engine is started, or after a few seconds. There may be a malfunction in a sys-
tem if a light does not come on, or if th e lights do not turn off. Have the vehi-
cle inspected by your Lexus dealer.
*2: The light flashes to indicate that the system is operating. Turn signal indicator
(
P. 1 1 2 ) Slip indicator (
P. 1 6 7 )
(U.S.A.)
Headlight indicator
( P. 1 5 8 ) VSC off indicator
(
 P. 1 6 7 )
(Canada)
Tail light indicator
( P. 1 5 8 ) “TRAC OFF” indicator
(
P. 1 6 7 )
Headlight high beam indi-
cator ( P. 1 5 8 )
(U.S.A.)
Parking brake indicator
( P. 1 1 3 )
SRS airbag on/off indica-
tor ( P. 7 2 )
(Canada)
Parking brake indicator
( P. 1 1 3 )
*1, 2
*1
*1

123
2-2. Instrument cluster
2
When driving
■Warning lights
Warning lights inform the driver of ma lfunctions in any of the vehicle’s
systems. ( P. 312)
*1: These lights turn on when the ignition switch is turned to the “ON” position
to indicate that a system check is being performed. They will turn off after the
engine is started, or after a few seconds. There may be a malfunction in a sys-
tem if a light does not come on, or if th e lights do not turn off. Have the vehi-
cle inspected by your Lexus dealer.
*2: The display flashes to indicate that the engine oil temperature is too high.
*3: These displays flash to indicate that the engine coolant temperature is too
high.
(U.S.A.) (Canada) (U.S.A.) (Canada)
(Comes on)(U.S.A.) (Canada) (For
driver) (For pas-
senger)
CAUTION
■If a safety system warning light does not come on
Should a safety system lig ht such as the ABS or SRS warning light not come on
when you start the engine, this could mean that these systems are not available to
help protect you in an accident, which could result in death or serious injury. Have
the vehicle inspected by your Lexus dealer immediately if this occurs.
*1*1*1*1*1*1*1
*1*1*1*1*1*1
*2*3*3

159
2-3. Operating the lights and windshield wipers
2
When driving
■Daytime running light system (Canada only)
To make your vehicle more visible to other drivers, the headlights and tail lights turn
on automatically whenever the engine is started and the parking brake is released.
■Automatic light off system
●When the headlights come on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the ignition switch is turned to the “ACC” or
“LOCK” position. (The light turns off immediately if on the key is pressed
after both side doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically if the igni-
tion switch is turned to the “ACC” or “LOCK” position and the driver’s door is
opened.
To turn the lights on again, turn the ignition switch to the “ON” position, or turn the
light switch to once and then back to or
.
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

161
2-3. Operating the lights and windshield wipers
2
When driving
■The windshield wipers and wa sher can be operated when
The ignition switch is in the “ON” position.
■Effects of vehicle speed on wiper operation
The time until the drip prevention wiper sweep occurs is changed depending on
vehicle speed.
When low speed wiper operation is selected , wiper operation will be switched from
low speed to intermittent wiper operatio n only when the vehicle is stationary.
(However, when the intermittent wiper interv al adjuster is adjusted to the highest
level, the mode will not switch.)
■Wiper reverse motion
If snow or similar substances build up around the windshield and prevent the wiper
from moving smoothly, the wiper may reverse direction before the end of its stroke
in order to secure driver vi sibility and to protect the system. This is normal and does
not indicate a malfunction.
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
■Lifting the wiper
Activate the wiper and turn the ignition
switch to the “LOCK” position when the
wiper approaches the upper reverse position.
The wiper will stop moving.
Lift and hold the main and sub blades. The blades will not remain in the up posi-
tion if released.STEP1
STEP2

171
2-4. Using other driving systems
2
When driving
Active rear wing
The LFA is equipped with an active rear wing that operates automatically
while the vehicle is being driven. This active rear wing enhances aerodynamic
performance especially at high speeds, contributing to a more stable ride.
The active rear wing can be controlled using a switch while the vehicle is
stopped.
■ Manual operation
Up
Down
■Automatic operation
The active rear wing will activate automatically as follows according to the selected
driving mode (P. 1 0 4 ) :
mph (km/h)
Always observe the legal speed limit when driving on public roads.
■Manual operating conditions
The active rear wing can be operated manu ally when the vehicle is stopped and the
ignition switch is in the “ON” position.
Driving modeUpDown
AUTO 81 (130) 25 (40)
SPORT
NORMAL
WET 50 (80) 25 (40)

183
2-5. Driving information
2
When driving
Dinghy towing
The LFA can be dinghy towed in a forward direction (with 4 wheels on the
ground) behind a motor home.
Towing your vehicle with 4 wheels on the groundTo prevent damage to your vehicle, perform the following procedures
before towing: Turn the ignition switch to the “ON” position.
Select Neutral.
Release the parking brake.
Turn the ignition switch to the “ACC” position.
Ensure that the audio system and other powered devices have been
turned off.
After towing, leave the engine in idle for at least 3 minutes before driving
the vehicle.
■Necessary equipment and accessories
Specialized equipment and accessories are required for dinghy towing. Contact
the service branch of the motor home manufacturer regarding recommended
equipment.
STEP1
STEP2
STEP3
STEP4

184
2-5. Driving information
NOTICE
■Dinghy towing direction
■To prevent the steering from locking
Ensure the ignition switch is in the “ACC” position.
Do not tow the vehicle backward.
Doing so may cause serious damage.

201
3-1. Using the air conditioning system and defogger
3
Interior features
Rear window and outside rear view mirror defoggers
Defoggers are used to defog the rear window, and to remove raindrops, dew
and frost from the outside rear view mirrors.
On/off
The defoggers will automatically
turn off after 15 to 60 minutes. The
operation time changes according
to the ambient temperature and
vehicle speed.
■The defogger can be operated when
The ignition switch is in the “ON” position.
■The outside rear view mirror defoggers
Turning the rear window defogger on will turn the outside rear view mirror defog-
gers on.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the outside surface of the re ar view mirror, as they can become very
hot and burn you.