Lexus 2013 IS250, Owner'S Manual

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8-2. Steps to take in an emergency
8
When trouble
arises
IS250_EE(OM53B11E)

If the tire pressure warning light frequently comes on after blinking for 1 minute
(if equipped)
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the engine switch is turned to IGNITION ON mode, have it checked by
any authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.

Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location or
audio sound.
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 professional. 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 (if equipped)
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.
 Vehicles with a compact spare tire

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
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
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.

Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you
could lose control of the steering wheel or the brakes.
 Vehicles with an emergency tire puncture repair kit

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
adjustment, it is probable that you have a flat tire. Check the tires. If a tire is
flat, repair the flat tire by using emergency tire puncture repair kit.

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.