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7-2. Steps to take in an emergency
Brake hold operated indicator (warning buzzer)
■
Warning light
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.
(flashes)
Warning buzzer
■
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
Front passenger detection sensor, seat
■
belt reminder and warning buzzer
●
If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause the warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●
If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
SRS warning light
■
This warning light indicates problems with
the following:
Airbag sensor assembly
●
●
Front impact sensors
●
Side impact sensors (front door)
Side impact sensors (front)
●
●
Front passenger occupant classification
sensors
Driver's seat position sensor
●
●
Front passenger's seat belt buckle switch
"AIR BAG ON" indicator light
●
"AIR BAG OFF" indicator light
●
●
Seat belt pretensioners
SRS airbags
●
●
SRS system related wiring harnesses and
power sources
If the malfunction indicator lamp comes
■
on while driving
First check the following:
●
Is the fuel tank empty?
Details/Actions
If it is, fill the fuel tank immediately.
●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
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.
When the tire pressure warning light
■
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured: P.500
If none of the tires are punctured:
Turn the engine switch off then turn it to
ON. Check if the tire pressure warning light
comes on or blinks.
If the tire pressure warning light blinks for
approximately 1 minute then stays on
There may be a malfunction in the tire
pressure warning system. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
If the tire pressure warning light comes
on
After the temperature of the tires has low-
ered sufficiently, check the inflation pres-
sure 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 pressure of each tire is at
the specified level and perform the tire
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