Lexus NX450h+ 2022 Owner's Manual, Quick Manual page 27

When Driving
Brake hold system
Turns the brake hold system on
The brake hold system keeps the brake applied when the shift position is in D, S or
N with the system on and the brake pedal has been depressed to stop the vehicle.
The system releases the brake when the accelerator pedal is depressed with the
shift position 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 operated indicator (yellow) comes on.
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