Lexus RX 450h 2010 Owner's Manual, Quick Manual page 12

Smart Access System with Push-button Start
The smart access system with push-button start allows you to enter and exit the vehicle
or start the hybrid system by simply carrying the electronic key in your pocket or bag.
For details on starting the hybrid system, see page 13.
■ Entering the vehicle
■ Exiting the vehicle
■
Locking and unlocking the back door
For details on what to do when the electronic key does not operate properly, see page 80.
11
To unlock the vehicle, simply grasp either of the
front door handles.
To lock the vehicle, touch the lock sensor on
either of the front door handles.
Locks
1
Unlocks
2