Lexus LS460 User Manual page 223

Brake hold function
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If the brake pedal is left released for a period of about 3 minutes after the system
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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 switch again.
The brake hold function may not hold the vehicle when the vehicle is on a steep
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incline. In this situation, it may be necessary for the driver to apply the brakes. The
multi-information display will inform the driver of this situation.
When the parking brake is set automatically while the system is holding the brakes
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The parking brake will not be released automatically. Release the parking brake by
operating the parking brake switch, making sure that the parking brake indicator
light goes off. (P. 219)
When there is a malfunction in the system
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Warning lights and/or warning messages will turn on or flash. (P. 800, 808)
CAUTION
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
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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 engine switch off while the system is holding the brake
may release the brake, which would cause the vehicle to move. When operating
the engine switch, depress the brake pedal, set the parking brake and shift the shift
lever to P.
LS460/LS460L_U (OM50D48U)
4-2. Driving procedures
223
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