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428
7-2. Steps to take in an emergency
*
: Driver's seat belt warning buzzer:
The driver's seat belt warning buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the power switch is turned to ON mode, the buzzer sounds for 6 seconds.
If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the seat belt
is still unfastened after 24 seconds, the buzzer will sound intermittently for 6 seconds. Then,
if the seat belt is still unfastened, the buzzer will sound in a different tone for 90 more sec-
onds.
Front passenger's seat belt warning buzzer:
The front passenger's seat belt warning buzzer sounds to alert the front passenger that his
or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of 12
mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 90 more seconds.
Rear passengers' seat belt reminder lights
■
Warning light
*1
: This light illuminates on the center panel.
*2
: Rear passengers' seat belt warning buzzer:
The rear passengers' seat belt warning buzzer sounds to alert the rear passengers that his
or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of 12
mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 30 more seconds.
Tire pressure warning light
■
Warning light
LS500h_OM_(U)_1810
Warns the rear passengers to fasten their seat belts
Fasten the seat belt.
When the light comes on after blinking for approximately 1 minute:
Malfunction in the tire pressure warning system
Have the system checked by your Lexus dealer.
When the light comes on:
Low tire inflation pressure such as
Natural causes
Flat tire
Immediately stop the vehicle in a safe place.
Handling method (P.432)
*1
*2
(warning buzzer)
Details/Actions
Details/Actions
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