tow Lexus GS250 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

TABLE OF CONTENTS6
GS350/250_EE (OM30C36E)
7-1. Essential information
Emergency flashers ........... 738
If your vehicle has to be stopped
in an emergency.................7397-2. Steps to take in an emergency
If your vehicle needs to be
towed...............................740
If you think something is
wrong................................747
Fuel pump shut off system 748
If a warning light turns on or a
warning buzzer sounds.....749
If a warning message is dis-
played................................757
If you have a flat tire (vehicles
with a spare tire)...............782
If you have a flat tire (vehicles
without a spare
tire).....................................797
If the engine will not start . 815
If the shift lever cannot be
shifted from P....................817
If the parking brake cannot be
released.............................818
If the electronic key does not
operate properly................821
If the vehicle battery is dis-
charged..............................824
If your vehicle overheats ... 829
If your vehicle becomes
stuck...................................832
7When trouble arises

16Pictorial index
GS350/250_EE (OM30C36E)
Instrument panel (Left-hand drive vehicles)
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Starting the engine/changing the modes . . . . . . . . . . . . . . . . . . P. 207
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . P. 739
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 815
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 774
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 740
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . P. 817
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98
Reading the meters/adjusting the instrument panel light . . . . . . P. 98
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 7491
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24Pictorial index
GS350/250_EE (OM30C36E)
Instrument panel (Right-hand drive vehicles)
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Starting the engine/changing the modes . . . . . . . . . . . . . . . . . . P. 207
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . P. 739
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 815
Warning messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 774
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 740
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . P. 817
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98
Reading the meters/adjusting the instrument panel light . . . . . . P. 98
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 94
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 7491
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471-1. For safe use
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For safety and security
GS350/250_EE (OM30C36E)The main SRS airbag system components are shown above. The
SRS airbag system is controlled by the airbag sensor assembly. As
the airbags deploy, a chemical reaction in the inflators quickly fills
the airbags with non-toxic gas to help restrain the motion of the
occupants.
CAUTION
SRS airbag precautions
Observe the following precautions regarding the SRS airbags.
Failure to do so may cause death or serious injury.
The driver and all passengers in the vehicle must wear their seat belts
properly.
The SRS airbags are supplemental devices to be used with the seat belts.
The SRS driver airbag deploys with considerable force, and can cause
death or serious injury especially if the driver is very close to the airbag.
Since the risk zone for the driver’s airbag is the first 50 - 75 mm (2 - 3 in.)
of inflation, placing yourself 250 mm (10 in.) from your driver airbag
provides you with a clear margin of safety. This distance is measured
from the center of the steering wheel to your breastbone. If you sit less
than 250 mm (10 in.) away now, you can change your driving position in
several ways:
• Move your seat to the rear as far as you can while still reaching the ped-
als comfortably.
• Slightly recline the back of the seat.
Although vehicle designs vary, many drivers can achieve the 250 mm
(10 in.) distance, even with the driver seat all the way forward, simply
by reclining the back of the seat somewhat. If reclining the back of your
seat makes it hard to see the road, raise yourself by using a firm, non-
slippery cushion, or raise the seat if your vehicle has that feature.
• If your steering wheel is adjustable, tilt it downward. This points the
airbag toward your chest instead of your head and neck.
The seat should be adjusted as recommended above, while still maintain-
ing control of the foot pedals, steering wheel, and your view of the instru-
ment panel controls.

491-1. For safe use
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For safety and security
GS350/250_EE (OM30C36E)
CAUTION
SRS airbag precautions
Do not hang coat hangers or hard objects on the coat hooks. All of these
items could become projectiles and may cause death or serious injury,
should the SRS curtain shield airbags deploy.
If a vinyl cover is put on the area where the SRS knee airbag will deploy,
be sure to remove it.
Do not use seat accessories which cover the parts where the SRS side air-
bags inflate as they may interfere with inflation of the airbags. Such
accessories may prevent the side airbags from activating correctly, disable
the system or cause the side airbags to inflate accidentally, resulting in
death or serious injury.
Do not allow anyone to kneel on the
passenger seats toward the door or put
their head or hands outside the vehicle.
Do not attach anything to or lean any-
thing against areas such as the dash-
board, steering wheel pad, lower
portion of the instrument panel and
door of the glove box.
These items can become projectiles
when the SRS driver, front passenger
and knee airbags deploy.
Do not attach anything to areas such as
a door, windshield glass, side door
glass, front or rear pillar, roof side rail
and assist grip. (Except for the speed
limit label P. 810)

891-2. Theft deterrent system
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GS350/250_EE (OM30C36E)
For safety and security
The intrusion sensor detects intruders or movement in the vehi-
cle.
The tilt sensor detects changes in vehicle inclination, such as
when the vehicle is towed away. (if equipped)
This system is designed to deter and prevent vehicle theft but does
not guarantee absolute security against all intrusions.
Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically
when the alarm is set. (P. 86)
Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle,
make sure to stop the intrusion sensor and tilt sensor before set-
ting the alarm, as they will respond to movement inside the vehi-
cle.
Turn the engine switch off.
Press the intrusion sensor
and tilt sensor cancel
switch.
A message will be shown on the
multi-information display in the
instrument cluster.
Press the switch again to re-
enable the intrusion sensor and
tilt sensor.
Intrusion sensor and tilt sensor
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1303-2. Opening, closing and locking the doors and trunk
GS350/250_EE (OM30C36E)
Conditions affecting operation
The smart entry & start system uses weak radio waves. In the following situ-
ations, the communication between the electronic key and the vehicle may be
affected, preventing the smart entry & start system, wireless remote control
and engine immobilizer system from operating properly. (Ways of coping:
P. 821)
When the electronic key battery is depleted
Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electrical
noise
When carrying a portable radio, cellular phone, cordless phone or other
wireless communication device
When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
When other wireless keys (that emit radio waves) are being used nearby
When carrying the electronic key together with the following devices that
emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
If window tint with a metallic content or metallic objects are attached to the
rear window

1603-3. Adjusting the seats
GS350/250_EE (OM30C36E)
CAUTION
Operating the front passenger’s seat from the driver’s seat (if equipped)
Do not operate the front passenger’s seat when a passenger is seated in it. In
addition, do not let anyone sit down in the front passenger’s seat while the
seat is being operated. The front passenger may catch their legs between the
instrument panel and seat, resulting in injury.
When adjusting the seat positions or the calf support (if equipped)
Make sure to leave enough space around the feet so they do not get stuck.
When using the calf support (if equipped)
Do not operate the calf support when the vehicle is moving.
Failure to do so may cause death or serious injury in the event of sudden
braking or a collision.
Do not sit on the calf support of the passenger seat.
Doing so may cause seat belts to be worn improperly, which may lead to
serious injury or death in the event of sudden braking or a collision.
Do not step on the calf support.
Doing so could damage the calf support, or could cause you to seriously
injure yourself by falling over.
Stow the calf support when you get in or out of the vehicle or when the
calf support is not in use to avoid stumbling over it.
Do not allow anyone to put their hands or feet under the passenger seat
when stowing the calf support.

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3 3-3. Adjusting the seats
Operation of each component
GS350/250_EE (OM30C36E)
NOTICE
Operating the front passenger’s seat from the driver’s seat (if equipped)
Before operating the front passenger’s seat, make sure that there is no lug-
gage or any other objects on the seat or in the footwell that could prevent its
operation.
Such items may result in excess force being applied, causing damage to the
seat and/or the luggage.
To prevent a calf support malfunction (if equipped)
Do not place any objects in the front passenger footwell that could prevent
the operation of the calf support.
Do not place heavy luggage on the calf support.
Do not place anything under the calf support when in use.
There is a possibility that something may get caught and cause damages
when stowing the calf support.