Lexus LS 500h 2022 Owner's Manual, Quick Manual page 19

Opening the trunk
Press the button.
The trunk lid will fully open.
If the button is pressed while the trunk lid is
opening, the trunk lid will stop moving.
When all the doors are unlocked using one
of the following methods, the trunk can be
opened without the electronic key:
● Entry function
● Wireless remote control
● Door lock switches
● Automatic door unlocking system
● Mechanical key
For details on what to do when the electronic key does not operate properly, see page 102.
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