Lexus LS 500 2019 Owner's Manual page 421

PKSB OFF indicator (warning buzzer)
■
Warning light
(flashes)
(if equipped)
PCS warning light
■
Warning light
(flashes or illumi-
nates)
Slip indicator
■
Warning light
LS500_OM_(U)_1810
7-2. Steps to take in an emergency
When a buzzer sounds:
Indicates a malfunction in the PKSB (Parking Support Brake) system
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
(P.274, 425)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision System).
 Have the vehicle inspected by your Lexus dealer immediately.
If a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily unavailable,
corrective action may be necessary.
 Follow the instructions displayed on the multi-information display.
(P.196, 202, 428)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.214, 222
Indicates a malfunction in:
 The VSC system;
 The TRAC system;
 The hill-start assist control system;
 The VGRS system (if equipped); or
 The DRS system (if equipped)
 Have the vehicle inspected by your Lexus dealer immediately.
Details/Actions
Details/Actions
Details/Actions
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