Lexus LS500 - LTA Indicator;Lka Indicator (Warning Buzzer); Rear Passengers’ Seat Belt Reminder Lights (Buzzer); Tire Pressure Warning Light

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7-2. Steps to take in an emergency
LS500h_OM_OM50F42U_(U)
7
When trouble arises
■ Rear passengers’ seat belt reminder lights
*1
(warning buzzer)
*2
*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
■ LTA indicator/LKA indicator (warning buzzer)
Warning light Details/Actions
Warns the rear passengers to fasten their seat belts
→ Fasten the seat belt.
Warning light Details/Actions
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.435)
Warning light Details/Actions
(orange)
Indicates a malfunction in the LTA (Lane Tracing Assist) or LKA
(Lane-Keeping Assist)
→ Follow the instructions displayed on the multi-information display.
(→P.238, 246)