Lexus LS460 Quick Manual page 117

What to do if...
If the electronic key does not operate properly
■ Unlocking and locking the doors
■ Unlocking the trunk
117
LS460_460L_QG_U
To unlock or lock the vehicle, use the
mechanical key to remove the lock cover
on the driver's door handle. The mechanical
key is stored inside the electronic key. 
(P.13)
Locks all the doors
1
Closes the windows and moon roof
2
(turn and hold)
Unlocks the door
3
Turning the key rearward unlocks the
driver's door. Turning the key once
again unlocks the other doors.
Opens the windows and moon roof
4
(turn and hold)
Turn the mechanical key clockwise to open.