Page 448 of 573
4478-1. Essential information
8
When trouble arises
IS350/250_U (OM53758U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicle using the following procedure:
1
2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more
4
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. Decelerate as much as possi-
ble before turning off the engine.
5
Page 449 of 573
448
IS350/250_U (OM53758U)8-2. Steps to take in an emergency
The following may indicate a problem with your transmission. Contact your
Lexus dealer before towing.
●The engine is running but the vehicle will not move.
●The vehicle makes an abnormal sound.
If a tow truck is not available in an
emergency, your vehicle may be tem-
porarily towed using a cable or chain
secured to the emergency towing eye-
let. This should only be attempted on
hard surfaced roads for short distances
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.
If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing service, using a lift-type truck or flat bed
truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
Before towing
Emergency towing
Page 451 of 573
4508-2. Steps to take in an emergency
IS350/250_U (OM53758U)
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 frontFrom the rear (2WD models)
Use a towing dolly under the rear
wheels. Turn the engine switch to ACCES-
SORY mode so that the steering
wheel is unlocked.
From the rear (AWD models)
Use a towing dolly under the front
wheels.
Page 453 of 573
4528-2. Steps to take in an emergency
IS350/250_U (OM53758U)
NOTICE
■To prevent causing serious damage to the transmission and transfer (AWD models)
when towing using a wheel-lift type truck
2WD models:
Never tow this vehicle from the front with the rear wheels on the ground.
AW D m o d e l s :
Never tow this vehicle with any of the wheels in contact with the ground.
■To prevent damage to the vehicle when towing using a wheel-lift type truck
2WD models:
●Do not tow the vehicle from the rear with the engine switch off. The steering lock
mechanism is not strong enough to hold the front wheels straight.
●When raising the vehicle from the rear, en sure adequate ground clearance for towing
at the opposite end of the raised vehicle. Without adequate clearance, the vehicle
could be damaged while being towed from the rear.
AW D m o d e l s :
When raising the vehicle, ensure adequate ground clearance for towing at the oppo-
site end of the raised vehicle. Without adequate clearance, the vehicle could be dam-
aged while being towed.
■To prevent body damage when to wing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■To prevent damage to the vehicle
Do not use the rear tie down hooks when your vehicle is towed.
Page 460 of 573
4598-2. Steps to take in an emergency
8
When trouble arises
IS350/250_U (OM53758U)
CAUTION
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The vehi-
cle 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 us ual when operating, hold firmly and oper-
ate 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 inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, 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 Lexus dealer.
●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.
Page 467 of 573
4668-2. Steps to take in an emergency
IS350/250_U (OM53758U)
Indicates that the automatic transmission fluid tempera-
ture is too highA buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(AWD models)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear
Ratio Steering) system
A buzzer also sounds.
Have the vehicle inspected by your Lexus dealer.
Indicates that the engine was stopped while driving
A buzzer also sounds.
Operate the steering wheel with more force than
usual.
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on
A buzzer also sounds.
Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
Close the moon roof.
Indicates that the windows are not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
Close all the windows.
Wa r n i n g m e s s a g eDetails/Actions
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Page 473 of 573
4728-2. Steps to take in an emergency
IS350/250_U (OM53758U)
9 times
An attempt was made to drive when
the electronic key was not inside the
vehicle.
Confirm that the electronic key
is inside the vehicle.
Con-
tinuous
An attempt was made to lock the
doors using the smart access system
with push-button start while the
electronic key was still inside the
vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
OnceCon-
tinuous
An attempt was made to lock either
front door by opening a door and
putting the inside lock button into
the lock position, then closing the
door with the electronic key still
inside the vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
The electronic key has a low battery.
Replace the electronic key bat-
tery. ( P. 4 2 7 )
Once
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Once
Indicates a malfunction in the smart
access system with push-button
start
Have the vehicle inspected by
your Lexus dealer.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
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Page 485 of 573
4848-2. Steps to take in an emergency
IS350/250_U (OM53758U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, ab rupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
•AWD system
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.
NOTICE
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact your Lexus dealer as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.
• ABS & Brake assist
•VSC
•TRAC
• Cruise control (if equipped)
• Dynamic radar cruise control
(if equipped)
• PCS (if equipped)
•EPS • Adaptive Variable Suspension System
(if equipped)
• LDA (Lane Departure Alert)
(if equipped)
• VGRS (if equipped)
• Rear view monitor system (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
