Page 240 of 676
2404-2. Driving procedures
GS350_200t_GS F_OM_OM30F83E_(EE)
Engine (ignition) switch
Press the parking brake switch to check that the parking brake is set.
( P. 256)
Parking brake indicator will come on.
Check that the shift lever is set in P.
Firmly depress the brake pedal.
and a message (GS F only) will be displa yed on the multi-information display.
If it is not displayed, the engine cannot be started.
Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
The engine will crank un til it starts or for
up to 30 seconds, whichever is less.
Continue depressing the brake pedal
until the engine is completely started.
The engine can be started from any
engine switch mode.
Performing the following operations when carrying the electronic key on your
person starts the engine or changes engine switch modes.
Starting the engine
1
2
3
4
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2424-2. Driving procedures
GS350_200t_GS F_OM_OM30F83E_(EE)
If the engine is stopped with the shift le ver in a position other than P, the engine
switch will not be turned off but inst ead be turned to ACCESSORY mode. Per-
form the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is displayed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on the multi-information display is off.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 min utes or IGNITION ON
mode (the engine is not running) for more than an hour with th e 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 IGNI-
TION ON mode for long periods of time when the engine is not running.
■Electronic key battery depletion P. 156
■Conditions affecting operation P. 175
■Notes for the push-start function P. 177
■If the engine does not start
●The engine immobilizer system ma y not have been deactivated. (P. 86)
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer.
●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 opening and closing the doors, the steering wheel
will be locked due to the steering lock functi on. Operating the engine switch again auto-
matically cancels the steering lock.
When stopping the engine with the shift lever in a position other than P
1
2
3
4
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243
4-2. Driving procedures
4
Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
■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 sh ort period of time. In this case, refrain from
operating the engine. After about 10 seconds, the steering lock motor will resume func-
tioning.
■When “Check Entry & Start System” will be displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer immediately.
■If the electronic key battery is depleted P. 491
■Operation of the engine switch
●If the switch is not pressed shortly and fi rmly, the engine switch mode may not change
or the engine may not start.
●If attempting to restart the engine immediately after turning the engine switch off, the
engine may not start in some cases. After turning the engine switch off, please wait a
few seconds before restarting the engine.
■If the smart entry & start system has be en deactivated in a customized setting
P. 642
“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.
Page 404 of 676

4045-2. Using the air conditio ning system and defogger
GS350_200t_GS F_OM_OM30F83E_(EE)
■Adjusting the position of and opening and closing the air outlets
Direct air flow to the left or right, up or down.
Turn the knob to open or close the vent.
■Registering air conditioning settings to electronic keys
●Unlocking the vehicle using an electronic ke y and turning the engine switch to IGNI-
TION ON mode will recall that key’s registered air conditioning settings.
●When the engine switch is turned off, the current air conditioning settings will automat-
ically be registered to the electronic key that was used to unlock the vehicle.
●The system may not operate correctly if more than one electronic key is in the vicinity or
if the smart entry & start system is used to unlock a passenger door.
●Settings for the electronic key and the corresponding door can be changed. Contact
any authorized Lexus retailer or Lexus author ized repairer, or any reliable repairer.
■Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until wa rm or cool air is ready to flow immediately
after is pressed.
Cool air may blow around the upper body even when the heater is on due to sunlight.
■Fogging up of the windows
●The windows will easily fog up when the humidity in the vehicle is h igh. Turning “A/C”
on will dehumidify the air from the outlets and defog the windshield effectively.
●If you turn “A/C” off, the windows may fog up more easily.
●The windows may fog up if the recirculated air mode is used.
Front center outlets and front side
outletsRear seat outlets
1
2
Page 418 of 676
4185-3. Using the interior lights
GS350_200t_GS F_OM_OM30F83E_(EE)
●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.
●If the interior lights remain on when the engine switch is turned off, the lights will go off
automatically after 20 minutes.
●Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 634)
NOTICE
To prevent battery discharge, do not leave the lights on longer than necessary when the
engine is not running.
Page 420 of 676
4205-4. Using the storage features
GS350_200t_GS F_OM_OM30F83E_(EE)
Open (press the button)
Unlock with the mechanical key
Lock with the mechanical key
●The glove box light turns on when the tail lights are on.
●The trunk opener main switch is located in the glove box. (P. 168)
●The insert inside the glove box can be removed.
●An SRS knee airbag for the front passenger’s seat is built into the glove box door.
( P. 51)
Using with half-open
Grip the knob to release the lock,
and slide the armrest as far back.
Using with fully open
Grip the knob to release the lock,
and lift the armrest to open.
Glove box
1
2
3
Console box
1
2
Page 433 of 676
433
5-5. Using the other interior features
5
Interior features
GS350_200t_GS F_OM_OM30F83E_(EE)
Long objects can be loaded into the vehi cle by utilizing the trunk space and rear
seat area.
Fold down the armrest.
Fold down the handle and open the
armrest door.
The armrest door can be locked and
unlocked using the mechanical key.Unlock
Lock
Trunk storage extension
1
2
1
2
WARNING
Ensure that the armrest door is closed when not in use.
In the event of sudden braking, items stored in the trunk may be thrown forward into
the cabin, resulting in injury.
Page 439 of 676
439
6Maintenance and care
GS350_200t_GS F_OM_OM30F83E_(EE)
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 440
Cleaning and protecting the vehicle interior.................. 444
6-2. Maintenance Maintenance requirements ............................ 447
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 449
Hood ................................................ 451
Positioning a floor jack ............ 452
Engine compartment ............... 454
Tires ...................................................471
Tire inflation pressure ..............485
Wheels ........................................... 487
Air conditioning filter ...............489
Electronic key battery............... 491
Checking and replacing fuses.............................................. 493
Light bulbs.....................................498