engine LEXUS LS430 2006 Owner's Manual

94
2-1. Driving procedures
Starting the engine
■Ignition switch
LOCK:
Inserting and removing the key
ACC:
The audio system and other
acces

sories can be used when
the engine is stopped.
ON:
When driving the vehicle the
engine an
d all accessories are
on.
START:
For starting the engine.
■ Star
ting the engine
Check that the parking brake is set.
Check that the selector lever is set in P.
If you need to restart the engine while the vehicle is moving, put the
selector lever in N.
Sit in the driver’s seat and firmly depress the brake pedal.
Push and turn (if the smart access s
ystem is engaged) or turn the
ignition switch to STAR T and star
t the engine.
1
2
3
4

95
2-1. Driving procedures
2
When driving
■If the engine does not start
Check whether the other keys will start the engine.
If they work, your key may be broken. Have the key checked at your Lexus dealer.
■Starting the engine using the flat key (Smart access)
■ Steering lock release
When starting the engine, the igni -
tion switch may seem stuck in the
“L
OCK” position. To free it, per -
form the following:
Smart access
Push and hold the ignition
s
witch (do not try to turn the
ignition switch), then rock the
steering wheel until it releases.
Standard
Turn the key while turning the
steering wheel slightly in either
dir

ection.
Remove the flat key from its case.
Insert the flat key into the igni-
tions switch.
Start the engine within 10 sec-
onds after the indicator light goes
off.

96
2-1. Driving procedures
■Starting the engine using the flat key (Standard)Put the key case away when the indicator light goes out. When the light
goes out, this means the engine immobilizer system has turned off.
Start the engine within 10 seconds after the indicator light goes off.
■Leak detection pump
Approximately five hours after the engine is turned off, you may hear sound coming
fr
om underneath the luggage compartment for several minutes. This is normal
operation and does not indicate a malfunction. ( 
For your information)
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera -
tor while starting the engine under any circumstances. 
Doing so may cause an accident resu lting i
n death or serious injury.
Remove the flat key from its case. Insert the
flat key into the ignition switch.
Bring the key case close to the ignition switch
within 10 seconds as indicated by the arrow.

97
2-1. Driving procedures
2
When driving
NOTICE
■To prevent battery discharge
Do not leave the ignition switch in the ON
position if the engine is not running.
■When starting the engine
●Do not crank for more than 30 seconds at a time. This may overheat the starter
and wiring systems.
●Do not race a cold engine.
●If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

98
2-1. Driving procedures
Automatic transmission
Select a gear position appropriate for the driving conditions.
■Shifting the transmission selector lever
While the engine is running, the brake pedal must be depressed in order to
move the transmission selector lever from P.
■Gear uses
* Always use the “D” position to improve fuel economy and quiet driving.
Shift range
PParking the vehicle and starting the engine
(key removal position)
RReversing
NNeutral
DNormal driving*
S“S” mode driving
6Normal driving
5Accelerating/passing at high speed driving
4Driving on hilly roads or heavy towing
3Driving downhill when strong engine braking is necessary
2Driving downhill when stronger engine braking is necessary
1Driving downhill when maximum engine braking is
necessary

100
2-1. Driving procedures
■Downshifting restrictions in “S” mode
The selector lever cannot be down-shifted if the following speeds are exceeded. (A
buzz
er will sound twice in this situation.)
■Accelerating rapidly
Fully depress the accelerator pedal. Engine sp
eed will increase and the vehicle will
accelerate rapidly.
■When driving at a set speed using the cruise control system
Engine braking will not operate when driving in the “S” shifting mode, even if the
select
or lever is downshifted to “5” or “4”. ( P.129 )
■SNOW mode automatic deactivation
SNOW mode is automatically deactivated if the ignition switch is turned to ACC or
L

OCK after driving in SNOW mode.
■If the transmission selector le ver cannot be shifted from P.
 P.
3 5 4
■If the “S” mode indicator does not come on when the “S” mode is engaged
There may be a malfunction in the automatic transmission system. 
Have the vehicle inspected by your Lexus dealer immediately. 
(In this situation, the vehicle operates as if
the selector lever is in D.)
DownshiftingMaximum speed
mph (km/h)
D 390 (146)
3 262 (100)
2 136 (59)

103
2
When driving
2-2. Instrument cluster
Gauges and meters
When the ignition switch is turned to ON;
Engine coolant temperature gaugeDisplays the engine coolant temperature.
Tachometer
Displays the number of engine speed in revolutions per minute.
Speedometer Displays the vehicle speed.
Fuel gauge Displays the quantity of fuel remaining in the tank.
Trip meter reset button
Resets the distance traveled to 0 mile (0 km).
Trip meter button Changes between trip meter A and B indication.
Trip meter A and trip meter B Trip meters display the distance the v
ehicle has been driven since the
meter was reset.
1
2
3
4
5
6
7

104
2-2. Instrument cluster
Instrument panel light control
The brightness of the instrument panel lights can be adjusted by turning
the instrument panel light control knob.
Darker
Brighter
Odometer
Displays the total distance the vehicle has been driven.
Multi-information display ( P.107 )
8
9
1
2
NOTICE
■To prevent damage to the engine and its components
●Do not let the indicator needle of the tachometer enter the red zone, which indi -
cates the maximum range of engine revolutions.
●The engine may be overheating if the temperature gauge is in the red zone (H).
Immediately stop the vehicle in a safe place and check the engine. ( P.359 )

106
2-2. Instrument cluster
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as ABS, TR
AC OFF or the airbag warning light
not come on when you start the engine, th is 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.
■ Warning lights
Warning lights inform the driver of a malfunction in the indicated vehi -
cle’s systems. (
P. 328 )
* These lights turn on when the ignition sw itch is turned to ON to indicate that
a system check is being performed. Th ey will turn off after the engine is
started on, or after a few seconds.
There may be a malfunction in a system if a
light does not come on, or if the
lights do not turn off. Have the vehicle inspected by your Lexus dealer.
*
(U.S.A)
(U.S.A) (Canada) (U.S.A) (Canada)
(Canada)

108
2-2. Instrument cluster
■Cruise information messages
The displayed figure is for general information purposes and is not pre -
cise
*:Push RESET button 1 to 2 se
conds to recalculate
On the displayDetails
Available driving distance
When the fuel gauge is close to “F”
When the fuel gauge is close to middle
When the fuel gauge is close to “E”
Average fuel consumption
Updated every 10 seconds (*)
Current fuel consumption
Updated every 2 seconds
Average fuel consumption
after refueling
Recalculates after the vehicle is refueled (*)
Driving distance after refuel-
ing
Recalculates after the vehicle is refueled (*)
Elapsed time
Total running time since refueling. (*) If you
turn the engine on and off again, the elapsed
time continues. When the total time exceeds
99 hours 59 minutes, the display returns to 0
and starts over.
Average vehicle speed
Updates every 10 seconds (*)