Lexus RZ450E 2023 Owner's Manual page 482

482
9-2. If a warning is indicated on the meter
Parking brake indicator
Condition
It is possible that the parking brake is not fully engaged or released
 Operate the parking brake switch once again.
(U.S.A.) (flashes)
This light comes on when the parking brake is not released. If the light
or
turns off after the parking brake is fully released, the system is operating
normally.
Indicates a malfunction in the parking brake system
(Canada)
 Have the vehicle checked by your Lexus dealer immediately.
(flashes)
Brake hold operated indicator (warning buzzer)
Condition
Indicates a malfunction in the brake hold system
 Have the vehicle checked by your Lexus dealer immediately.
(flashes)
Cause / Remedy
Cause / Remedy