battery Lexus GS350 2007 Using the hands-free system / LEXUS 2007 GS430/350 (OM30A04U) User Guide

55
1-6. Anti-theft system
1
Before driving
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
fo
llowing
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■Tr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the
following situations. 
(Stopping the alarm deactivates the alarm system.)
●A person inside the vehicle opens a door, the trunk or hood.
●The battery is recharged or replaced when the vehicle is locked.
■Pa n i c m o d e
When is pushed for longer than about
one second, the headlights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, push any button on the
wireless remote control.

64
1-7. Safety information
■When to contact your Lexus dealer
In the following cases, contact your Lexus dealer as soon as possible. Do not dis-
connect the battery cables before contacting your Lexus dealer.
●Any of the SRS airbags have been inflated.
●The front of the vehicle is damaged or
deformed, or was involved in an accident
that was not severe enough to cause the
SRS airbags to inflate.
●A portion of the doors is damaged or
deformed, or the vehicle was involved in an
accident that was not severe enough to
cause the SRS side airbags and curtain
shield airbags to inflate.
●The pad section of the steering wheel, front
passenger airbag cover or lower portion of
the instrument panel is scratched, cracked,
or otherwise damaged.
●The surface of the seats with the side air-
bag is scratched, cracked, or otherwise
damaged.
●The portion of the front pillars, rear pillars
or roof side rail garnishes (padding) con-
taining the curtain shield airbags is
scratched, cracked, or otherwise dam-
aged.

98
2-1. Driving procedures
■If the engine does not start
The engine immobilizer system may not have been deactivated. (P.
5 2 )
■When the engine switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
deal

er immediately.
■Auto power OFF function
The engine switch will automatically turn OFF
when left in “ACC” mode for 1 hour
or more.
■Electronic key battery depletion
 P.
9
■When the electronic key battery is discharged
P.
4 0 9
■Conditions affecting operation
P. 7
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera-
tor pedal while starting the en gine under any circumstances. 
Doing so may cause an accident resu lting in death or serious injury.
■Caution while driving
Do not touch the engine switch while driving. 
Pressing and holding the engine switch will stop the engine, which may lead to an
accident.

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2-1. Driving procedures
2
When driving
NOTICE
■To prevent battery discharge
Do not leave the engine switch in “ACC” or “IG-ON” mode for long periods if the
engine is not running.
■When starting the engine
●Do not race the engine.
●If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

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2-3. Operating the lights and windshield wipers
■Automatic light off system
The headlights and tail lights turn off 30 seconds after a door is opened or closed if
the engine switch has been switched to “ACC” or turned “OFF” while the headlights
are turned on. (The lights turn off immediately if the button on the key is pressed
after all doors are locked.)
To turn the lights on again, switch to “IG-ON” mode, or turn the light switch “OFF”
once and then back to the or position.
■Automatic headlight leveling system
The level of the headlights is automatica lly adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
■If the indicator flashes...
It may indicate a malfunction in the system. Contact your Lexus dealer.
■Customization
Settings (e.g. light sensor sensitivity) can be changed. ( P. 5 2 3 )
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary if the engine is not running.

148
2-4. Using other driving systems
If the steering neutral position is unknown
After the battery has been reconnected, the steering sensor will need to
be initialized. At this time, if the dual sensors detect an obstacle, the steer -
ing guide symbol and both arr
ows will be displayed.
Multi-information display
Touch screen
Use one of the following methods to initialize the steering sensor.
• With the vehicle stopped, turn the s teering wheel all the w
ay to the left,
then the right. (The order is not important.)
• Drive for more than 5 minutes on an un-cr
owded road with as few
curves and corners as possible.
If the steering guide symbol disappe ars, the steering sensor has been ini-
tialized. If the steering guide symbol does not disappear
, have the vehicle
checked by your Lexus dealer.

172
2-5. Driving information
Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle in winter. Always drive the vehicle in a manner appropriate to the
prevailing weather conditions.
■ Pre-winter preparations
●Use fluids that ar
e appropriate to the prevailing outside tempera -
tures.
• Engine oil
• Engine coolant
• Washer fluid
● Ha
ve a service technician inspect th e level and specific gravity of
battery electrolyte.
● Ha
ve the vehicle fitted with four snow tires or purchase a set of
tire chains for the rear tires.
Ensure that all tires are the same si ze and brand, and that chains match
the size of the tires.

197
3-2. Using the air conditioning system and defogger
3
Interior features
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 automatic air conditioning system on longer than necessary when
the engine is not running.

198
3-2. Using the air conditioning system and defogger
Rear window and outside rear view mirror defoggers
■Operating conditions
The engine switch must be in the “IG-ON” mode.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the rear view mirror surfaces , as they can become very hot and burn
you.
NOTICE
■To prevent battery discharge
Turn the defoggers off when the engine is not running.
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
Press the button.
Press the button to turn on the
rear window and outside rear
view mirror defoggers. The
defoggers will automatically
turn off after approximately 15
minutes. Pressing the button
again also turns the defoggers
off.

201
3-3. Using the audio system
3
Interior features
CAUTION
■For vehicles sold in the U.S.A. and Canada
●Pa r t 1 5 o f t h e F CC Ru l e s
FCC Warning:
Any unauthorized changes or modifications to this equipment will void the user’s
authority to operate this device.
●Laser products
• Do not take this unit apart or attempt to make any changes yourself. 
This is an intricate unit that uses a lase r pickup to retrieve information from the
surface of compact discs. The laser is carefully shielded so that its rays remain
inside the cabinet. Therefore, never try to disassemble the player or alter any
of its parts since you may be exposed to laser rays and dangerous voltages.
• This product utilizes a laser. Use of controls or adjustments or pe rformance of procedures other than
those specified herein may result in hazardous radiation exposure.
NOTICE
■To prevent battery discharge
Do not leave the audio system on longer than necessary when the engine is not run-
ning.
■To avoid damaging the audio/video system
Take care not to spill drinks or other fluids over the audio system.