ignition Lexus GS350 2017 Owner's Guide

2183-5. Opening, closing the windows and moon roof
GS350_200t_GS F_OM_OM30F83E_(EE)
■The moon roof can be operated when
The engine switch is in IGNITION ON mode.
■Operating the moon roof after turning the engine off
The moon roof can be operated for approximately 45 seconds after the engine switch is
turned to ACCESSORY mode or turned off. It cannot, however, be operated once either
front door is opened.
■Jam protection function
If an object is detected between the moon r oof and the frame while the moon roof is clos-
ing or tilting down, trav el is stopped and the moon roof opens slightly.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will open
automatically when the moon roof is opened.
■Door lock linked moon roof operation
●The moon roof can be opened and closed using the mechanical key. * ( P. 594)
●The moon roof can be opened and closed using the wireless remote control. *
(  P. 159)
* : These settings must be customized at an y authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.

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4Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
4-1. Before drivingDriving the vehicle..................... 222
Cargo and luggage .................... 231
Trailer towing (vehicles without towing package) ..... 232
Trailer towing (vehicles with towing package)......................233
4-2. Driving procedures Engine (ignition) switch ...........240
Automatic transmission........... 246
Turn signal lever .........................255
Parking brake ..............................256
Brake Hold (GS350/GS200t) ...............259
ASC (Active Sound Control) (GS F) ........................ 261
4-3. Operating the lights and wipers
Headlight switch ......................... 262
AHS (Adaptive High-beam System)........................................265
Automatic High Beam .............270
Fog light switch ........................... 275
Windshield wipers and washer................................. 276
4-4. Refueling Opening the fuel tank cap......282 4-5. Using the driving support
systems
Lexus Safety System+ ..............286
PCS (Pre-Crash Safety system) ........................................ 295
LKA (Lane-Keeping Assist) .......................................... 307
LDA (Lane Departure Alert with steering control) ..............317
RSA (Road Sign Assist) .......... 326
Dynamic radar cruise control with full-speed range.............. 331
Dynamic radar cruise control ......................................... 343
Cruise control .............................355
Driving mode select switch ...........................................358
BSM (Blind Spot Monitor) ..... 363

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
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4-2. Driving procedures
4
Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
Stop the vehicle.
Set the parking brake ( P. 256), and shift the shift lever to P.
Press the engine switch.
Release the brake pedal and check that “POWER ON” on the multi-informa-
tion display is off.
Modes can be changed by pressing the engine switch with brake pedal released.
(The mode changes each time the switch is pressed.) Off *
The emergency flashers can be used.
“POWER ON” will not be displayed on
the multi-information display.
ACCESSORY mode
Some electrical components such as the
audio system can be used.
“POWER ON” will be displayed on the
multi-information display.
IGNITION ON mode
All electrical components can be used.
“POWER ON” will be displayed on the
multi-information display.
* : If the shift lever is in a position other than
P when turning off the engine, the
engine switch will be turned to ACCES-
SORY mode, not to off.
Stopping the engine
Changing engine switch modes
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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
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4-2. Driving procedures
4
Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
NOTICE
■To prevent battery discharge
●Do not leave the engine switch in ACCESSORY or IGNITION ON mode for long
periods of time without the engine running.
●If “POWER ON” is displayed on the multi- information display, the engine switch is
not off. Exit the vehicle after turning the engine switch off.
●Do not stop the engine when the shift lever is in a position other than P. If the engine is
stopped in another shift lever position, the engine switch will not be turned off but
instead be turned to ACCESSORY mode. If the vehicle is left in ACCESSORY
mode, battery discharge may occur.
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start or stalls frequently, have your vehicle checked
by any authorized Lexus retailer or Lexus au thorized repairer, or any reliable repairer
immediately
■Symptoms indicating a malfunction with the engine switch
If the engine switch seems to be operating so mewhat differently than usual, such as the
switch sticking slightly, there may be a malfunction. Contact any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer immediately.

2464-2. Driving procedures
GS350_200t_GS F_OM_OM30F83E_(EE)
Automatic transmission
While the engine switch is in IGNITION ON mode, move the shift lever
with the brake pedal depressed.
When shifting the shift lever between P and D, make sure that the vehicle is com-
pletely stopped.
* 1
: To improve fuel efficiency and reduce noises , set the shift lever in D for normal driving.
* 2
: Any gear range can be fixed when driving in M mode.
Shifting the shift lever
Shift position purpose
Shift positionObjective or function
PParking the vehicle/starting the engine
RReversing
NNeutral
(Condition in which the power is not transmitted)
DNormal driving *1
MM mode driving
*2
(  P. 249)

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4
4-2. Driving procedures
Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
Turn signal lever
The lever will return to its original position immediately after operation.
Right turn
Lane change to the right (move the
lever partway and release it)
The right hand signals will flash 3 times.
Lane change to the left (move the
lever partway and release it)
The left hand signals will flash 3 times.
Left turn
■If the turn signals do not stop flashing af ter turning left or right, or if you want
to stop them flashing
Operate the lever in the opposite direction to either position or .
If you move the lever to either position or , the selected turn signals will
flash.
■Turn signals can be operated when
The engine switch is in IGNITION ON mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
■If the turn signals stop flashing before a lane change has been performed
Operate the lever again.
Operating instructions
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4-2. Driving procedures
4
Driving
GS350_200t_GS F_OM_OM30F83E_(EE)
■Parking brake operation
●When the engine switch is not in IGNI TION ON mode, the parking brake cannot be
released using the parking brake switch.
●When the engine switch is not in IGNITION ON mode, automatic mode (automatic
brake setting and releasing) is not available.
●If the parking brake is operated repeatedly over a short period of time, the system may
restrict operation to prevent overheating. If this happens, refrain from operating the
parking brake. Normal operation wi ll return after about 1 minute.
●Vehicles with towing package: In situations such as when parking while towing a trailer,
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
●Vehicles without towing package: In situations such as when parking on a steep slope *,
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
* : Use wheel chocks when parking on a steep slope.
■Parking brake operation sound
When the parking brake operates, a motor sound (whirring sound) may be heard. This
does not indicate a malfunction.
■Parking brake indicator light
●Depending on the engine switch mode, the parking brake indicator light will come on
and stay on as described below:
IGNITION ON mode: Comes on until the parking brake is released.
Not in IGNITION ON mode: Stays on for approximately 15 seconds.
●When the engine switch is turned off with the parking brake set, the parking brake indi-
cator light will stay on for about 15 seco nds. This does not indicate a malfunction.
■When there is a malfunction in the system
Warning lights and/or warning message will turn on or flash. ( P. 520, 524)
Depending on the condition, the park ing brake indicator light may flash.
■Parking the vehicle P. 222
■Parking brake engaged warning buzzer P. 528
■Usage in winter time P. 383

2624-3. Operating the lights and wipers
GS350_200t_GS F_OM_OM30F83E_(EE)
Headlight switch
Turning the end of the lever turns on the lights as follows:The front position, tail, licenseplate and instrument panel
lights turn on.
The headlights and all lights listed above turn on.
The headlights, daytime run- ning lights ( P. 264) and all
the lights listed above turn on
and off automatically.
(When the engine switch is in
IGNITION ON mode.)
With the headlights on, push the
lever away from you to turn on the
high beams.
Pull the lever toward you to the center
position to turn the high beams off.
Pull the lever toward you and release
it to flash the high beams once.
You can flash the high beams with the
headlights on or off.
The headlights can be operated manually or automatically.
Operating instructions
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Turning on the high beam headlights
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