Brake Hold; Brake Hold System Operating Conditions; Brake Hold Function - Lexus RX 450H Owner's Manual

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4-2. Driving procedures

Brake Hold

The brake hold system keeps the brake applied when the shift lever is in D, S or
N with the system on and the brake pedal has been depressed to stop the vehi-
cle. The system releases the brake when the accelerator pedal is depressed
with the shift lever in D or S to allow smooth start off.
Turns the brake hold system on
The brake hold standby indicator
(green) comes on. While the system is
holding the brake, the brake hold oper-
ated indicator (yellow) comes on.

Brake hold system operating conditions

■
The brake hold system cannot be turned on in the following conditions:
The driver's door is not closed.
●
The driver is not wearing the seat belt.
●
If any of the conditions above are detected when the brake hold system is enabled, the
system will turn off and the brake hold standby indicator light will go off. In addition, if any
of the conditions are detected while the system is holding the brake, a warning buzzer
will sound and a message will be shown on the multi-information display. 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 system 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-information 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 necessary for the driver to apply the brakes. A warning
buzzer will sound and the multi-information display will inform the driver of this situa-
tion. If a warning message is shown on the multi-information display, read the message
and follow the instructions.
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