Lexus LS 500 2019 Owner's Manual page 422

422
7-2. Steps to take in an emergency
Parking brake indicator (warning buzzer)
■
Warning light
(flashes)
(U.S.A.)
or
(flashes)
(Canada)
Brake hold operated indicator (warning buzzer)
■
Warning light
(flashes)
Master warning light (warning buzzer)
■
Warning light
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 system monitors the air-
LS500_OM_(U)_1810
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and the warning light comes on and flashes to indicate
that the master warning system has detected a malfunction.
 P.425
Details/Actions
Details/Actions
Details/Actions
bag sensor assembly, Pop Up Hood com-
puter assembly, front impact sensors, side
impact sensors (front door), side impact
sensors (front), side impact sensors (rear),
driver's seat position sensor, driver's seat
belt buckle switch, front passenger occu-
pant classification system (ECU and sen-
sors), rear seat belt buckle switches (if
equipped), "AIR BAG ON" indicator light,
"AIR BAG OFF" indicator light, front pas-
senger's seat belt buckle switch, seat belt
pretensioners, airbags, interconnecting wir-
ing and power sources. (P.29)
■ If the malfunction indicator lamp comes
on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
Is the fuel tank cap loose?
●