Lexus LS 500 2019 Owner's Manual page 176

176
4-2. Driving procedures
If "EPB Activation Stopped Incom-
■
pletely" or "EPB Unavailable" is dis-
played on the multi-information display
Operate the parking brake switch. If the
message does not disappear after operat-
ing the switch several times, the system may
be malfunctioning. Have the vehicle
inspected by your Lexus dealer.
■ Parking brake operation sound
When the parking brake operates, a motor
sound (whirring sound) may be heard. This
does not indicate a malfunction.
Parking brake operation
■
● Depending on the engine switch mode,
the parking brake indicator light will turn
on and stay on as described below:
IGNITION ON mode: Comes on until
the parking brake is released.
Not in IGNITION ON mode: Stays on
for approximately 15 seconds.
When the engine switch is turned off with
●
the parking brake set, the parking brake
indicator light will stay on for about 15
seconds. This does not indicate a mal-
function.
■ When the parking brake switch mal-
functions
Automatic mode (automatic brake setting
and releasing) will be turned on automati-
cally.
■ Parking the vehicle
P.154
Parking brake engaged warning buzzer
■
A buzzer will sound if the vehicle is driven
with the parking brake engaged. "EPB
Applied" is displayed on the multi-informa-
tion display. (with the vehicle reached a
speed of 3 mph [5 km/h])
■ If the brake system warning light comes
on
P.415
Usage in winter time
■
P.300
LS500_OM_(U)_1810
WARNING
When parking the vehicle
■
Do not leave a child in the vehicle alone.
The parking brake may be released unin-
tentionally and there is the danger of the
vehicle moving that may lead to an acci-
dent resulting in death or serious injury.
NOTICE
■ When parking the vehicle
Before you leave the vehicle, set the
parking brake, shift the shift position to P
and make sure that the vehicle does not
move.
When the system malfunctions
■
Stop the vehicle in a safe place and
check the warning messages.
■ When the parking brake cannot be
released due to a malfunction
Driving the vehicle with the parking
brake set will lead to brake components
overheating, which may affect braking
performance and increase brake wear.
Have the vehicle inspected by your
Lexus dealer immediately if this occurs.