7
7-2. Steps to take in an emergency
When trouble arises
refuel the vehicle immediately. The mal-
function indicator lamp will go off after sev-
eral trips.
If the malfunction indicator lamp does not
go off, contact your Lexus dealer as soon as
possible.
Q Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the
electric power steering system warning
light may come on and the warning buzzer
may sound.
Q When the tire pressure warning light
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured: oP.597
If none of the tires are punctured:
Turn the engine switch to OFF then turn it
to ON. Check if the tire pressure warning
light comes on or blinks.
X If the tire pressure warning light blinks for
approximately 1 minute then stays on
There may be a malfunction in the tire pres-
sure warning system. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
X If the tire pressure warning light comes
on
After the temperature of the tires has
lowered sufficiently, check the inflation
pressure of each tire and adjust them to
the specified level.
If the warning light does not turn off
even after several minutes have
elapsed, check that the inflation pres-
sure of each tire is at the specified level
and perform initialization. (oP.554)
Q The tire pressure warning light may
come on due to natural causes
The tire pressure warning light may come
on due to natural causes such as natural air
leaks and tire inflation pressure changes
caused by temperature. In this case, adjust-
ing the tire inflation pressure will turn off the
warning light (after a few minutes).
Q When a tire is replaced with a spare tire
The spare tire is also equipped with the tire
pressure warning valve and transmitter. The
tire pressure warning light will turn on if the
tire inflation pressure of the spare tire is low.
If a tire goes flat, even though the flat tire is
replaced with the spare tire, the tire pres-
sure warning light does not turn off.
Replace the spare tire with the repaired tire
and adjust the proper tire inflation pressure.
The tire pressure warning light will turn off
after a few minutes.
Q Conditions that the tire pressure warn-
ing system may not function properly
oP.553
Q If a warning light comes on or a warn-
ing buzzer sounds when a warning
message is shown on the multi-infor-
mation display
Check and follow the message shown on
the multi-information display.
Failure to do so may result in death or
serious injury.
Q If both the ABS and the brake system
warning lights remain on
Stop your vehicle in a safe place immedi-
ately and contact your Lexus dealer. 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.
Q When the electric power steering
system warning light comes on
When the light comes on yellow, the
assist to the power steering is restricted.
When the light comes on red, the assist
to the power steering is lost and handling
operations of the steering wheel become
extremely heavy.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using more
force than usual.
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