2012 Lexus LFA engine

111
2-1. Driving procedures
2
When driving
CAUTION
■Driving on slippery roads
Do not suddenly accelerate or change gears. Sudden changes in engine braking
force may cause the vehicle to skid sideways or spin, resulting in an accident.
NOTICE
■To prevent battery discharge
While the engine is stopped, do not op erate the paddle shift switches, reverse
selector switch, driving mode selector sw itch or shift speed selector repeatedly.

114
2-1. Driving procedures
■When there is a malfunction in the system
Warning lights and/or warning messages will turn on or flash. (P. 325, 327)
Depending on the condition, the parking brake indicator light may flash.
NOTICE
■When parking the vehicle
Before you leave the vehicle, set the parking brake, select 1st gear or Reverse, and
stop the engine. Make sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the parking brake cannot be released due to a malfunction
Use the parking brake release tool to manually release the parking brake.
(  P. 3 4 5 )
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.

117
2-2. Instrument cluster
2
When driving
Speedometer
Tachometer
Gear indicator (P. 1 0 4 )
Driving mode indicator ( P. 1 0 4 )
Trip information display
Displays trip meter, fuel economy and other driving information ( P. 118)
Odometer
Engine oil temperature gauge
Displays the engine oil temperature. If the engine oil temperature becomes
284 F (140 C) or higher, a buzzer will sound and this display will flash.
( P. 313)
Clock ( P. 1 4 8 )
Engine oil pressure gauge
Displays the pressure of the engine oil in the engine. If the oil pressure drops,
a buzzer will sound and a warning message will be displayed. ( P. 3 2 4 )
Fuel gauge
Displays remaining fuel quantity an d reminds the driver to refuel. (P. 3 1 5 )
Outside temperature display
Engine coolant temperature gauge
Displays engine coolant temperature. If the engine coolant temperature
exceeds 244 F (118 C), a buzzer will sound and this display will flash.
( P. 313)
Menu
Allows driver to set various functions and check vehicle status. ( P. 1 2 4 )
Displays warning messages in case of a malfunction. ( P. 3 2 2 )

119
2-2. Instrument cluster
2
When driving
■Average vehicle speed
■ Driving range
Displays the average vehicle speed since
the engine was started or the function was
reset.
The function can be reset by pressing up or
down on the control pad for longer than
one second when the average vehicle
speed is displayed.
Displays the estimated maximum distance
that can be driven with the quantity of fuel
remaining.
This distance is computed based on your
average fuel consumption. As a result, the
actual distance that can be driven may dif-
fer from that displayed.
When only a small amou nt of fuel is added
to the tank, the display may not be updated.
■Va r i a b l e r e d z o n e
■Engine coolant and engine oil temperature displays
In congested traffic, the engine coolant and engine oil displays may show a higher
than usual temperature. This is not a ma lfunction. If temperatures are abnormal,
these displays will flash.
To help protect the engine, the red zone of
the tachometer starts at different engine
speeds ranging from 4400 rpm to 9000
rpm depending on the engine coolant tem-
perature.

120
2-2. Instrument cluster
■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.
NOTICE
■To prevent damage to the engine and its components
●Do not let the indicator needle of the tachometer enter the red zone.
●The following may indicate that the engine is overheating. Immediately stop the
vehicle in a safe place.
• The display on the engine coolant temperature gauge flashes. (
P. 3 5 1 )
• The display on the engine oil temperature gauge flashes. (
P. 313)
●In the following situations, the engine may be malfunctioning. Immediately stop
the vehicle in a safe place and contact your Lexus dealer.
• The oil pressure gauge display does not show an increase even if the acceler-
ator pedal is depressed.
• The “Engine oil pressure low” warning message is displayed.

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

124
2-2. Instrument cluster
Using the menu
The meter display settings and vehicle status can be checked using the con-
trol pad located on the steer ing wheel and the menu display.
■Menu structure
Menu itemFunction
Speed Ind ( P. 1 2 6 ) Changes color when the vehicle
reaches a set speed.
Rev Ind ( P. 1 2 9 ) A ring-shaped indicat
or appears in the
tachometer when the engine reaches a
set speed.
Status
(  P. 132) Trip Info Indicates the current fuel consumption,
average fuel consumption, average
vehicle speed, and driving range.
Oil Level Shows the amount of engine oil in the oil
tank.
Oil Mainte-
nance Indicates engine oil replacement timing.
Tire Pressure Shows inflation pressure of each tire.
Lap Timer ( P. 142) Measures and shows lap times.