ignition Lexus GS350 2015 TIPS FOR THE NAVIGATION SYSTEM / LEXUS 2015 GS350 (OM30E15U) Owner's Manual

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GS350_OM_OM30E15U_(U)
Driving4
4-1. Before driving Driving the vehicle ...................... 160
Cargo and luggage ...................... 171
Vehicle load limits ........................ 174
Trailer towing ................................. 175
Dinghy towing................................ 176
4-2. Driving procedures Engine (ignition) switch .............177
Automatic transmission ............ 184
Turn signal lever ........................... 190
Parking brake ................................ 192
Horn.................................................. 195
4-3. Operating the lights and wipers
Headlight switch .......................... 196
Fog light switch............................. 201
Windshield wipers and washer .................................202
Headlight cleaner switch ....... 209
4-4. Refueling Opening the fuel tank cap....... 210 4-5. Using the driving support
systems
Cruise control .............................. 215
Dynamic radar cruise control ............................. 219
LKA (Lane-Keeping Assist) .......... 234
Driving mode select switch ... 244
Driving assist systems............... 249
Hill-start assist control ............. 257
PCS (Pre-Collision System).......... 259
BSM (Blind Spot Moni tor).............. 268
• The Blind Spot Monitor function .....................................272
• The Rear Cross Traffic Alert function......................... 275
Lexus night view ......................... 278
4-6. Driving tips Winter driving tips ..................... 284

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GS350_OM_OM30E15U_(U)4-2. Driving procedures
4
Driving
Engine (ignition) switch
Check that the parking brake is set.
Check that the shift lever is set in P.
Firmly depress the brake pedal.
will be displayed on the multi-information display.
If it is not displayed, the engine cannot be started.
Press the engine switch.
The engine will crank until 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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4-2. Driving procedures
Stop the vehicle.
Shift the shift lever to P.
Set the parking brake. (P. 1 9 2 )
Press the engine switch.
Release the brake pedal and check that “POWER ON” on the multi-
information 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.
The multi-information display will not
be displayed.
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
ACCESSORY mode, not to off.
Stopping the engine
Changing engine switch modes
1
2
3
4
5

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GS350_OM_OM30E15U_(U)
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 8
■Conditions affecting operation
P. 1 1 4
■Notes for the entry function
P. 1 1 5
■If the engine does not start
●The engine immobilizer system may not have been deactivated. ( P. 7 0 )
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_OM_OM30E15U_(U)
1834-2. Driving procedures
4
Driving
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 your Lexus dealer immediately.
■Symptoms indicating a malfun ction with the engine switch
If the engine switch seems to be operatin g somewhat differently than usual, such as
the switch sticking slightly, there may be a malfunction. Contact your Lexus dealer
immediately.

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4-2. Driving procedures
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
completely stopped.
Shifting the shift lever

GS350_OM_OM30E15U_(U)
1914-2. Driving procedures
4
Driving
■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.
■Customization
The number of times the turn signals flas h during a lane change can be changed.
(Customizable feature P. 5 6 1 )

GS350_OM_OM30E15U_(U)
1934-2. Driving procedures
4
Driving
The parking brake is set or released automatically according to shift lever
operation.
Turns automatic mode on/off
●When the shift lever is moved out
of P, the parking brake will be
released.
●When the shift lever is moved into
P, the parking brake will be set.
Operate the shift lever with the brake
pedal depressed.
■Parking brake operation
●When the engine switch is not in IGNITION 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 (auto-
matic 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 overheatin g. If this happens, refrain from operat-
ing the parking brake. Normal operatio n will return after about 1 minute.
■Parking brake operation sound
When the parking brake operates, a moto r sound (whirring sound) may be heard.
This does not indicate a malfunction.
■Parking brake indicator light
●Depending on the engine switch mode, th e 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
indicator light will stay on for about 15 seconds. This does not indicate a malfunc-
tion.
Automatic mode

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4-3. Operating the lights and wipers
Headlight switch
Turning the end of the lever turns on the lights as follows:
The headlights can be operated manually or automatically.
Operating instructions
U.S.A. Canada
The side marker, parking,
tail, license plate and instru-
ment panel lights turn on.
The headlights and all lights
listed above turn on.
The headlights, daytime
running lights and all the
lights listed above turn on
and off automatically.
(When the engine switch is
in IGNITION ON mode.)
Off
The daytime running lights
turn on.1
2
3
4
(U.S.A.)
(Canada)

GS350_OM_OM30E15U_(U)
1994-3. Operating the lights and wipers
4
Driving
■Daytime running light system
●To make your vehicle more visible to other drivers, the parking lights turn on auto-
matically (at an increased intensity) whenever the engine is started and the parking
brake is released. Daytime running lights are not designed for use at night.
For the U.S.A.: Daytime running lights can be turned off by operating the switch.
●Compared to turning on th e headlights, the daytime running light system offers
greater durability and consumes less electricity, so it can help improve fuel econ-
omy.
■Headlight control sensor
■Automatic light off system
When the light switch is in or : The headlights and tail lights turn off 30 sec-
onds after the engine switch is turned to ACCESSORY mode or turned off and a
door is opened and all of the doors and trun k are closed. (The lights turn off immedi-
ately if on the key is pressed twice after all the doors are closed.)
To turn the lights on again, turn the engine switch to IGNITION ON mode, or turn
the light switch off once and then back to or .
If any of the doors or trunk lid is kept op en, the lights automatically turn off after 20
minutes.
■Light reminder buzzer
A buzzer sounds when the engine switch is turned off or turned to ACCESSORY
mode and the driver’s door is opened while the lights are turned on.
■Automatic headlight leveling system
The level of the headlights is automatically adjusted according to the number of pas-
sengers and the loading conditio n of the vehicle to ensure that the headlights do not
interfere with other road users. The sensor may not func tion properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.