lane assist Lexus GS350 2012 Owner's Manual

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GS350/250_EE (OM30C36E)
4-1. Before driving
Driving the vehicle ............ 186
Cargo and luggage............. 197
Trailer towing .................... 198
4-2. Driving procedures
Engine (ignition) switch .... 207
Automatic transmission..... 214
Turn signal lever ............... 222
Parking brake .................... 224
Horn .................................. 227
4-3. Operating the lights and wipers
Headlight switch ............... 228
Automatic High Beam ...... 233
Fog light switch................. 239
Windshield wipers and
washer................................241
Headlight cleaner switch ... 248
4-4. Refueling
Opening the fuel tank cap . 2494-5. Using the driving support
Cruise control .................... 254
Dynamic radar cruise con-
trol.....................................258
LKA (Lane-Keeping
Assist)...............................274
Lexus (parking assist-sen-
sor)....................................284
Lexus (parking assist moni-
tor)....................................297
Driving mode select switch 326
Driving assist systems ....... 331
Hill-start assist control ...... 339
PCS (Pre-Crash Safety sys-
tem)....................................341
BSM (Blind Spot Monitor) 352
4-6. Driving tips
Winter driving tips ............ 359
4Driving

20Pictorial index
GS350/250_EE (OM30C36E)
Audio remote control switches . . . . . . . . . . . . . . . . . . . . . . . . . P. 539
Paddle shift switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
Back switch
*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Ta l k s w i t c h
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Telephone switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 543
“DISP” button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 102
Vehicle-to-vehicle distance button
*2 . . . . . . . . . . . . . . . . . . . . P. 261
Cruise control switch
*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 254
Dynamic radar cruise control switch
*2 . . . . . . . . . . . . . . . . . . P. 258
Tilt and telescopic steering control switch . . . . . . . . . . . . . . . . P. 170
LKA (Lane-Keeping Assist) switch
*2. . . . . . . . . . . . . . . . . . . P. 276
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28Pictorial index
GS350/250_EE (OM30C36E)
Audio remote control switches . . . . . . . . . . . . . . . . . . . . . . . . . P. 539
Paddle shift switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 217
Back switch
*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Ta l k s w i t c h
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401
Telephone switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 543
“DISP” button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 102
Vehicle-to-vehicle distance button
*2 . . . . . . . . . . . . . . . . . . . . P. 261
Cruise control switch
*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 254
Dynamic radar cruise control switch
*2 . . . . . . . . . . . . . . . . . . P. 258
Tilt and telescopic steering control switch . . . . . . . . . . . . . . . . P. 170
LKA (Lane-Keeping Assist) switch
*2. . . . . . . . . . . . . . . . . . . P. 276
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962. Instrument cluster
GS350/250_EE (OM30C36E)
inspected by any authorized Lexus dealer or repairer, or another duly qual-
ified and equipped professional.
*2: The light flashes to indicate a malfunction.
The indicators inform the driver of the operating state of the vehi-
cle’s various systems.
Indicators
Turn signal indicator
(P. 222)Cruise control “SET”
indicator (P. 254)
Tail light indicator
(P. 228)
(if
equipped)
LKA (Lane-Keeping
Assist) indicator
(P. 276)
Headlight high beam
indicator (P. 228)

(if
equipped)
Lexus parking assist-
sensor indicator (P.
285)
(if
equipped)
Automatic High Beam
indicator (P. 233)
*1
(if
equipped)
“AFS OFF” indicator
(P. 230)
(if
equipped)
Front fog light indicator
(P. 239)*1, 2 Slip indicator
(P. 333, 339)
Rear fog light indicator
(P. 239)
*1VSC OFF indicator
(P. 334)
Cruise control indicator
(P. 254)
*1, 3
(if
equipped)
“PCS” warning light
(P. 342)
(if
equipped)
Radar cruise control
indicator (P. 258)Parking brake indicator
(P. 224)

1022. Instrument cluster
GS350/250_EE (OM30C36E)
Multi-information display
The multi-information display presents the driver with a variety of
driving-related data including the current outside air temperature.
Eco Driving Indicator (P.
104)
Outside temperature display
(P. 104)
Trip information (P. 104)
Displays driving range, fuel con-
sumption and other cruising
related information

Tire inflation pressure
(if equipped) (P. 106)
Drive monitor (P. 106)
Lexus parking assist-sensor
display
* (if equipped) (P.
286)
Dynamic radar cruise control
display
* (if equipped) (P.
286)
LKA (Lane-Keeping Assist)
display
* (if equipped) (P.
278)
Warning messages (P. 757)
Automatically displayed when a
malfunction occurs in one of the
vehicle’s systems. Display can be
switched by pressing the “DISP”
button. (P. 104)
Display contents

1132. Instrument cluster
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Instrument cluster
GS350/250_EE (OM30C36E)
Vehicle speed
Tachometer
Shift position and shift range
Displays the selected shift position or selected shift range (P. 214)

Eco Driving Indicator (P. 109)
Audio display
Displays audio information for approximately 3 seconds when the audio
system is operated
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Route guidance display (vehicles with navigation system)
(P. 116)
When approaching an intersection while the navigation system is giving
route guidance, an arrow will automatically be displayed to indicate the
direction of travel.

Lane departure warning display (LKA [Lane-Keeping Assist])
(if equipped) (P. 767)
Approach warning display (dynamic radar cruise control) (if
equipped)
(P. 767)
Pre-crash braking warning message (pre-crash safety system)
(if equipped) (P. 767)
Head-up display contents

1733-4. Adjusting the steering wheel and mirrors
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Operation of each component
GS350/250_EE (OM30C36E)
CAUTION
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident,
resulting in death or serious injury.
NOTICE
Rear view mirror adjustment (vehicles with LKA [Lane-Keeping Assist])
To ensure that the LKA operates prop-
erly, make sure that it does not block the
LKA camera sensor.

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4Driving
GS350/250_EE (OM30C36E)
4-1. Before driving
Driving the vehicle............ 186
Cargo and luggage ............ 197
Trailer towing.................... 198
4-2. Driving procedures
Engine (ignition) switch.... 207
Automatic transmission .... 214
Turn signal lever ............... 222
Parking brake .................... 224
Horn .................................. 227
4-3. Operating the lights
and wipers
Headlight switch............... 228
Automatic High Beam ...... 233
Fog light switch ................ 239
Windshield wipers
and washer ...................... 241
Headlight cleaner switch ... 2484-4. Refueling
Opening the fuel tank cap . 249
4-5. Using the driving support
systems
Cruise control ................... 254
Dynamic radar cruise
control ............................. 258
LKA
(Lane-Keeping Assist) .... 274
Lexus
parking assist-sensor....... 284
Lexus
parking assist monitor..... 297
Driving mode select switch326
Driving assist systems ...... 331
Hill-start assist control ...... 339
PCS (Pre-Crash Safety
system)............................ 341
BSM (Blind Spot Monitor) 352
4-6. Driving tips
Winter driving tips ............ 359

2674-5. Using the driving support
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Driving
GS350/250_EE (OM30C36E)
Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following
situations:
Actual vehicle speed is more than approximately 16 km/h (10 mph) below
the set vehicle speed.
At this time, the memorized set speed is not retained.
Vehicle speed falls below approximately 40 km/h (25 mph).
VSC is activated.
TRC is activated for a period of time.
When the VSC or TRC system is turned off by pressing the VSC OFF
switch.
When the LKA (Lane-Keeping Assist) will be activated
Using the radar cruise control in vehicle-to-vehicle distance control mode,
lane keeping assistance control is activated.
Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-
vehicle distance control operates properly. (Some obstructions, such as snow,
ice and plastic objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. (P. 760) Grille cover
Radar sensor
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2744-5. Using the driving support
GS350/250_EE (OM30C36E)
LKA (Lane-Keeping Assist)
While driving on a freeway or motor highway that has lane markers
and no sharp curves, the system recognizes the lanes using a cam-
era located above the inside rear view mirror as a sensor to assist
the driver with staying in the lane. The LKA system has two func-
tions.
Camera sensor

: If equipped
Summary of functions