2012 Lexus GS350 steering

7407-1. Essential information
GS350/250_EE (OM30C36E)
CAUTION
If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn. Decel-
erate as much as possible before turning off the engine.

7417-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)If a tow truck is not available in
an emergency, your vehicle may
be temporarily towed using a
cable or chain secured to the
emergency towing eyelet. This
should only be attempted on hard
surfaced roads for short dis-
tances at low speeds.
A driver must be in the vehicle
to steer and operate the brakes.
The vehicle’s wheels, drive train,
axles, steering and brakes must
be in good condition.
Emergency towing

7437-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)Do not tow with a sling-type
truck to prevent body damage.
Towing with a sling-type truck
Towing with a wheel-lift type truck
From the frontFrom the rear (2WD models)
Use a towing dolly under the
rear wheels.Turn the engine switch to
ACCESSORY mode so that the
steering wheel is unlocked.
From the rear (AWD models)
Use a towing dolly under the
front wheels.

7457-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
Before emergency towing
Release the parking brake.
Shift the shift lever to N.
Turn the engine switch to ACCESSORY (engine off) or IGNITION ON
(engine running) mode.
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
Caution while towing
Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive
stress on the emergency towing eyelets and the cables or chains. Always
be cautious of the surroundings and other vehicles while towing.
If the engine is not running, the power assist for the brakes and steering
will not function, making steering and braking more difficult.
Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.
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7517-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
Electric power steering system warning light
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
(Flashes)
(If equipped)
Pre-crash safety system warning light
Indicates a malfunction in the pre-crash safety system
The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will flash quickly when the system is operat-
ing.
(P. 343)
• The light will turn on when the pre-crash safety system
is disabled. (P. 344)
• The light will flash when the system cannot temporarily
be used. (P. 774)
Slip indicator
Indicates a malfunction in:
•The VSC system;
• The TRC system; or
• The hill-start assist control system
The light will flash when the VSC, the TRC or the hill-
start assist control system is operating.
(Flashes)
(If equipped)
“AFS OFF” indicator
Indicates a malfunction in the adaptive front-lighting sys-
tem
(Flashes)
Parking brake indicator
Indicates a malfunction in the parking brake system
Brake system warning light
Indicates a malfunction in the parking brake system
Wa r n i n g
lightWarning light/Details

7567-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
CAUTION
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a
loss of vehicle control and result in death or serious injury.
Stop your vehicle in a safe place as soon as possible. Adjust the tire infla-
tion pressure immediately.
If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires. If a
tire is flat, change it with the spare tire and have the flat tire repaired by
the nearest any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
NOTICE
Precaution when installing a different tire
When differently constructed tires or tires of different makers, models or
tread patterns are installed, the tire pressure warning system may not oper-
ate properly.

7627-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
Indicates a malfunction in the parking brake sys-
tem
Indicates a malfunction in the EPS (Electric
Power Steering) system
(If equipped)
Indicates a malfunction in the Blind Spot Moni-
tor
Indicates a malfunction in the smart entry & start
system
Wa r n i n g m e s s a g eDetails
(Flashes)
(Flashes)

7677-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
(If equipped)
Indicates that your
vehicle is nearing the
vehicle ahead (in vehi-
cle-to-vehicle distance
mode)
At the same time,
will appear on
the head-up display
(the image flashes).
Slow the vehicle by
applying the brakes.
(If equipped)
Indicates that there is a
high possibility of a
frontal collision, or that
the pre-crash braking
function is operating
At the same time,
will appear
on the head-up dis-
play too (the image
flashes).
Slow the vehicle by
applying the brakes.
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist)
is suspended
• The camera sensor
temperature is higher
than the operation
temperature range.
• The power steering
system operation is
restricted.
Restart the LKA after
driving for a while.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)