ignition LEXUS LS430 2005 Owners Manual

Page 319 of 539

STARTING AND DRIVING
300“START” Starter motor on. The ignition switch will
return to the “ON” position when released.
For starting tips, see page 304.
“ON” Engine on and all accessories on.
This is the normal driving position.
NOTICE
Do not leave the ignition switch in the “ON” position if
the engine is not running. The battery will discharge
and the electronic ignition system could be damaged.
“ACC” Accessories such as the radio operate, but the
engine is off.
31L347
“LOCK” Engine is off and the steering wheel is locked.
When
you leave your vehicle, be sure to turn the ignition switch
to the “LOCK” position and carry the smart key.
 If you open the driver’s door without returning the ignition
switch to the “LOCK” position, beeps keep sounding while
the door is opened.
 If you close a door to leave your vehicle while carrying a key
on which the ignition switch has not been returned to the
“LOCK” position, “Key is not Detected” appears on the
multi−information display, a warning tone sounds inside and
beeps sound outside.
 If the selector lever is in a position other than “P”, you cannot
turn the ignition switch to the “LOCK” position. At this time,
when you open the driver’s door and are going to get out of
the vehicle, “Shift to P Range” appears on the
multi−information display and a warning tone sounds inside.

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STARTING AND DRIVING
301
When you turn the ignition switch to the “LOCK” position, the
engine immobilizer system is automatically set. See “Engine
immobilizer system” on page 17.
If, in an emergency, you must turn the engine off while the
vehicle is moving, turn the ignition switch only to “ACC”.
IGNITION SWITCH WITH STEERING
LOCK
31L348
 1Type A 2Type B
Type A: Insert the key, push and turn it to each position.
Type B: Insert the key and turn it to each position.

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STARTING AND DRIVING
302If the ignition switch seems to be stuck:
Ty p e A
To free the ignition switch, perform the following:
31L640
1. Be sure the key is pushed all the way in.
31L641
2. Push the key while turning the steering wheel slightly
in either direction, and then turn the key.
Type B
31L642
1. Be sure the key is pushed all the way in.
31L643
2. Turn the key while turning the steering wheel slightly in
either direction.

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STARTING AND DRIVING
303
“START” Starter motor on. The key will return to the
“ON” position when released.
For starting tips, see page 304.
“ON” Engine on and all accessories on.
This is the normal driving position.
NOTICE
Do not leave the key in the “ON” position if the engine
is not running. The battery will discharge and the
electronic ignition system could be damaged.
“ACC” Accessories such as the radio operate, but the
engine is off.
If you leave the key in the “ACC” or “LOCK” position and open
the driver’s door, a buzzer will remind you to remove the key.*
NOTE:
* The volume or interval of beep sound can be changed.
Ask your Lexus dealer for details.
31L349
 1 Type A 2Type B
“LOCK” Engine is off and the steering wheel is locked.
The ignition key can be removed only at this position.
To turn the ignition switch from “ACC” to the “LOCK” position,\
you must put the transmission selector lever in the “P” position.
Once you remove the key, the engine immobilizer system is
automatically set. See “Engine immobilizer system” on page
17.
If, in an emergency, you must turn the engine off while the
vehicle is moving, turn the key only to “ACC”.

Page 323 of 539

STARTING AND DRIVING
304
PARKING BRAKE
31L628
1To set: Fully depress the parking brake pedal.
2To release: Pull the parking brake release lever.
Before leaving your vehicle, firmly apply the parking brake.
CAUTION
Before driving, make sure the parking brake is fully
released and that the parking brake reminder light is off.
HOW TO START THE ENGINE
Before cranking
1. Apply the parking brake firmly.
2. Turn off unnecessary lights and accessories.
3. Put the selector lever in “P”. If you need to restart the engine
while the vehicle is moving, put the selector lever in “N”. A
starter safety device will prevent the starter from operating if
the selector lever is in any drive position.
4. Depress the brake pedal and hold it to the floor until driving
off.
Starting the engine
Before starting the engine, be sure to follow the instructions in
“Before cranking”.
Normal starting procedure
The multiport fuel injection system/sequential multiport fuel
injection system in your engine automatically controls the
proper air −fuel mixture for starting. You can start a cold or hot
engine as follows:
With your foot off the accelerator pedal, crank the engine by
turning the ignition switch to “START”. Release it when the
engine starts.

Page 324 of 539

STARTING AND DRIVING
305
The engine should be warmed up by driving, not in idle. For
warming
up, drive with smoothly turning engine until the engine
coolant temperature is within normal range.
If the engine stalls ...
Simply restart it, using the correct procedure given in normal
starting.
If the engine will not start
See “If your vehicle will not start” on page 400.
NOTICE
 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.
AUTOMATIC TRANSMISSION
Your automatic transmission has a shift lock system to
minimize the possibility of incorrect operation. This
means you can only shift out of “P” position when the
brake pedal is depressed with the ignition switch in “ON”
position. ( )
31L320

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STARTING AND DRIVING
307
(a) Normal driving
31L321a
 1“P” (Park) position 2“N” (Neutral) position
1. Start the engine as instructed in “How to start the
engine” on page 304.
The transmission must be in “P” or “N” position. The engine wi\
ll
not start in any drive position even if the ignition switch is turned
to “START”.
31L322
 1 Power position 2Normal position
3Snow position
2. Set the driving pattern selector switch to the “Normal”
position.
Your transmission has a driving pattern selector switch which
allows you to select “Power”, “Normal” or “Snow” mode to suit\
your driving condition. For ordinary driving, Lexus
recommends that you use the “Normal” position to improve fuel
economy.
3. For more powerful acceleration and sporty driving, use
the “Power” position.
In the “Power” position, the “ECT PWR” light in the instrument
cluster is on and the transmission is shifted up at higher vehicle
speeds and shifted down more responsively than in the
“Normal” position.
For “Snow” mode, see “Electronic Throttle Control
System” on page 315.

Page 332 of 539

STARTING AND DRIVING
313
(d) Backing up
31L324
 1Brake pedal 2“R” (Reverse) position
1. Bring the vehicle to a complete stop.
2. With the brake pedal held down with your foot, shift the
selector lever to the “R” position.
NOTICE
Never shift into reverse while the vehicle is moving.
When the selector lever is shifted into the “R” position, the
outside rear view mirrors automatically down to help backing
up. For details, see “Power rear view mirror control” on page
231.
Vehicles with rear view monitor system: When the selector
lever is shifted into the “R” position with the ignition switch in\
the “ON” position, rear view monitor system will activate. For
instructions, see “Rear view monitor system” on page 323.

Page 335 of 539

STARTING AND DRIVING
316In the power mode, the “ECT PWR” light in the instrument
cluster is on and the transmission is shifted up at higher vehicle
speeds and shifted down more responsively
than in the normal
mode.
To return to the normal mode, push the driving pattern selector
switch lightly on the “SNOW” side.
Snow mode: For slippery road surfaces such as in snow. In
this mode, the spinning of the rear wheels is controlled
appropriately.
When you push the driving pattern selector switch on the
“SNOW” side, the snow mode is turned on and the “ECT
SNOW” light in the instrument cluster comes on.
To return to the normal mode, push the driving pattern selector
switch on the “SNOW” side again.
When you turn the ignition switch off in the snow mode, the
mode automatically changes to the normal mode.
LEXUS PARK ASSIST SYSTEM
31L354b
 Sensors
The Lexus park assist system will help you to easily park
by detecting any obstacle around your vehicle with
ultrasonic sensors and informing you of the approximate
distance from the vehicle to the obstacle with the
indicators on the display and with beeping sounds.*
This system will operate at a vehicle speed of less than about
10 km/h (6 mph) with the selector lever in a position other than
“P”.
NOTE:
* The volume of the beeps can be changed.
Ask your Lexus dealer for details.

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STARTING AND DRIVING
317
31L340
You can use this system in either of the following ways.
Push the main switch of the Lexus park assist system with
the ignition on. A beep sounds for one second. After the
system self− check is performed, the Lexus park assist
system screen appears for 2 seconds.
 Push the main switch of the Lexus park assist system and
turn the ignition on. The Lexus park assist system screen
appears for 2 seconds and a system self −check is
performed. At this time, a beep does not sound.
If an error is detected in the Lexus park assist system while
self−checking, beeps sound and the message appears in the
multi− information display. For details, see “Lexus park assist
system failure warning” on page 319. Up to 4 indicator bars are shown on the front and rear sides of
the vehicle mark and up to 3 indicator arcs are shown on each
corner of the vehicle mark. The number of indicators shows
the approximate range up to the obstacle. The indicator marks
disappear one
−by−one as your vehicle comes closer to the
obstacle. Also, as you get closer to the obstacle, the beeping
interval becomes shorter.
To turn off the system, push the main switch again.
NOTICE
 If an accident should occur, the sensors will be
affected, resulting in a system failure.
 If the indicators remain on the display but you do not
hear a beeping sound, the system may be
malfunctioning. Contact your Lexus dealer.

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