2013 Lexus GS350 key battery

GS350_U (OM30C34U)
1473-5. Opening, closing the windows and moon roof
3
Operation of each component
■Door lock linked window operation
●The power windows can be opened and closed using the mechanical key.*
( P. 74 0 )
●The power windows can be opened using the wireless remote control.* ( P. 114)
*: These settings must be cust omized at your Lexus dealer.
■When the battery is disconnected
The window lock switch is disabled. If nece ssary, press the window lock switch after
reconnecting the battery.
■Power windows open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the
instrument cluster wh en the engine switch is turned off and the driver’s door is
opened with the power windows open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: P. 777)
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■Closing the windows
●Check to make sure that all passengers do not have any part of their body in a
position where it could be caught when a window is being operated.
●Do not allow children to operate the power windows.
Closing a power window on someone can cause serious injury, and in some
instances, even death.
■Jam protection function
●Never use any part of your body to inte ntionally activate the jam protection func-
tion.
●The jam protection function may not work if something gets caught just before
the window fully closes.

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GS350_U (OM30C34U)
4-2. Driving procedures
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION
ON mode (the engine is not running) for more than an hour with the shift lever in P,
the engine switch will automatically turn off. However, this function cannot entirely
prevent battery discharge. Do not leave the vehicle with the engine switch in
ACCESSORY or IGNITION ON mode for long periods of time when the engine is
not running.
■Electronic key battery depletion
 P. 1 1 2
■Conditions affecting operation
P. 1 0 8
■Notes for the entry function
P. 1 0 9
■If the engine does not start
●The engine immobilizer system may not have been deactivated. ( P. 6 8 )
Contact your Lexus dealer.
●Check that the shift lever is securely set in P. The engine may not start if the shift
lever is displaced out of P. “Shift to P position to Start” will be displayed on the multi-
information display.
■Steering lock
After turning the engine switch off and op ening and closing the doors, the steering
wheel will be locked due to the steering lock function. Operating the engine switch
again automatically cancels the steering lock.

GS350_U (OM30C34U)
1754-2. Driving procedures
4
Driving
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended if
the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine. After about 10 seconds, the steering lock motor
will resume functioning.
■When “Check Access System with Elec. Key” will be displayed on the multi-infor-
mation display
The system may be malfunctio ning. Have the vehicle inspected by your Lexus dealer
immediately.
■If the electronic key battery is depleted
 P. 6 4 6
■Operation of the engine switch
●When operating the engine switch, one short, firm press is enough. If the switch is
pressed improperly, the engine may not st art or the engine switch mode may not
change. It is not necessary to press and hold the switch.
●If attempting to restart the engine immediately after turning the engine switch off,
the engine may not start in some cases. Af ter turning the engine switch off, please
wait a few seconds before restarting the engine.
■If the smart access system with push-but ton start has been deactivated in a cus-
tomized setting
 P. 74 0
“Steering Lock active” will be displayed on
the multi-information display.
Check that the shift lever is set in P. Press the
engine switch while turning the steering
wheel left and right.

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GS350_U (OM30C34U)
5-5. Using the interior lights
■Illuminated entry system
The lights automatically turn on/off according to engine switch mode, the presence
of the electronic key, whether the doors are locked/unlocked, and whether the doors
are opened/closed.
■To prevent battery discharge
If the interior lights remain on when the engine switch is turned off, the lights will go
off automatically after 20 minutes.
■Customization
Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 777)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

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GS350_U (OM30C34U)
Maintenance and care6
6-1. Maintenance and care Cleaning and protecting the vehicle exterior................. 594
Cleaning and protecting the vehicle interior ..................598
6-2. Maintenance Maintenance requirements .... 601
General maintena nce ..............604
Emission inspection and maintenance (I/M)
programs ................................... 608
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................609
Hood ................................................. 612
Positioning a floor jack ...............613
Engine compartment .................615
Tires .................................................. 629
Tire inflation pressure ............... 639
Wheels ........................................... 642
Air conditioning filter ............... 644
Electronic key battery .............. 646
Checking and replacing fuses ..............................................648
Headlight aim ................................661
Light bulbs..................................... 663

594
GS350_U (OM30C34U)
6-1. Maintenance and care
Cleaning and protecting the vehicle exterior
●Working from top to bottom, liberally apply water to the vehicle body,
wheel wells and underside of the vehicle to remove any dirt and dust.
●Wash the vehicle body using a sponge or soft cloth, such as a chamois.
●For hard-to-remove marks, use car wash soap and rinse thoroughly
with water.
●Wipe away any water.
●Wax the vehicle when the waterproof coating deteriorates.
If water does not bead on a clean surface, apply wax when the vehicle body is
cool.
■Automatic car washes
●Fold the mirrors before washing the vehicle. Start washing from the front of the
vehicle. Make sure to extend the mirrors before driving.
●Brushes used in automatic car washes may scratch the vehicle surface and harm
your vehicle’s paint.
●Rear spoiler (if equipped) may not be wa shable in some automatic car washes.
There may also be an increased risk of damage to vehicle.
■High pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity of the win-
dows.
●Before using the car wash, check that the fuel filler door on your vehicle is closed
properly.
■When using a car wash
If the door handle becomes wet while the electronic key is within the effective range,
the door may lock and unlock repeatedly. In that case, follow the following correc-
tion procedures to wash the vehicle:
●Place the key in a position 6 ft. (2 m) or more separate from the vehicle while the
vehicle is being washed. (Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-saving mode to disable the smart access system
with push-button start. ( P. 1 0 7 )
Perform the following to protect th e vehicle and maintain it in prime
condition:

626
GS350_U (OM30C34U)
6-3. Do-it-yourself maintenance
■After recharging/reconnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
●Unlocking the doors using the smart access system with push-button start may not
be possible immediately after reconnecting the battery. If this happens, use the
wireless remote control or the mechanical key to lock/unlock the doors.
●Start the engine with the engine switch in ACCESSORY mode. The engine may
not start with the engine switch turned off. However, the engine will operate nor-
mally from the second attempt.
●The engine switch mode is recorded by the vehicle. If the battery is reconnected,
the vehicle will return the engine switch mo de to the status it was in before the bat-
tery was disconnected. Make sure to turn off the engine before disconnect the bat-
tery. Take extra care when connecting the ba ttery if the engine switch mode prior
to discharge is unknown.
If the system will not start even after multiple attempts, contact your Lexus dealer.
CAUTION
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce hydro-
gen gas which is flammable and explosive. To reduce the risk of death or serious
injury, take the following precautions while working on or near the battery:
●Do not cause sparks by touching the battery terminals with tools.
●Do not smoke or light a match near the battery.
●Avoid contact with eyes, skin and clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses when working near the battery.
●Keep children away from the battery.
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646
GS350_U (OM30C34U)
6-3. Do-it-yourself maintenance
Electronic key battery
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover
the tip of the screwdriver with a rag.
Remove the depleted battery.
Insert a new battery with the “+” termi-
nal facing up.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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