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184
4-2. Driving procedures
will be shown on the multi-information dis-
play. The parking brake will then be set
automatically.
■
Brake hold function
If the brake pedal is left released for a
●
period of about 3 minutes after the sys-
tem has started holding the brake, the
parking brake will be set automatically. In
this case, a warning buzzer sounds and a
message is shown on the multi-informa-
tion display.
●
To turn the system off while the system is
holding the brake, firmly depress the
brake pedal and press the button again.
●
The brake hold function may not hold the
vehicle when the vehicle is on a steep
incline. In this situation, it may be neces-
sary for the driver to apply the brakes. A
warning buzzer will sound and the
multi-information display will inform the
driver of this situation. If a warning mes-
sage is shown on the multi-information
display, read the message and follow the
instructions.
When the parking brake is set automati-
■
cally while the system is holding the
brakes
Perform any of the following operations to
release the parking brake.
Depress the accelerator pedal. (The
●
parking brake will not be released auto-
matically if the seat belt is not fastened.)
●
Operate the parking brake switch with
the brake pedal depressed.
Make sure that the parking brake indicator
light goes off. (→P.181)
When an inspection at your Lexus
■
dealer is necessary
When the brake hold standby indicator
(green) does not illuminate even when the
brake hold switch is pressed with the brake
hold system operating conditions met, the
system may be malfunctioning. Have the
vehicle inspected at your Lexus dealer.
LS500h_OM_OM50F42U_(U)
If "Brake Hold Fault Depress Brake to
■
Deactivate Visit Your Dealer" or "Brake
Hold Malfunction Visit Your Dealer" is
displayed on the multiinformation dis-
play
The system may be malfunctioning. Have
the vehicle inspected by your Lexus dealer.
Warning messages and buzzers
■
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution. If a warn-
ing message is shown on the multi-informa-
tion display, read the message and follow
the instructions.
If the brake hold operated indicator
■
flashes
→P.434
WARNING
When the vehicle is on a steep incline
■
When using the brake hold system on a
steep incline exercise caution. The brake
hold function may not hold the vehicle in
such a situation.
When stopped on a slippery road
■
The system cannot stop the vehicle when
the gripping ability of the tires has been
exceeded. Do not use the system when
stopped on a slippery road.
NOTICE
When parking the vehicle
■
The brake hold system is not designed
for use when parking the vehicle for a
long period of time. Turning the power
switch off while the system is holding the
brake may release the brake, which
would cause the vehicle to move. When
operating the power switch, depress the
brake pedal, shift the shift position to P
and set the parking brake.
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