Lexus LS 500 2019 Owner's Manual page 419

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
LTA indicator (warning buzzer)
■
Warning light
(orange)
LS500_OM_(U)_1810
7-2. Steps to take in an emergency
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.423)
Indicates a malfunction in the LTA (Lane Tracing Assist)
 Follow the instructions displayed on the multi-information display.
(P.237)
*1 *2
(warning buzzer)
Details/Actions
Details/Actions
Details/Actions
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