If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other key and the key number stamped on your key number plate.
See also:
Smart access system with push-button start
The following operations can be performed simply by carrying the
electronic
key (including the card key) on your person, for example in your
pocket.
(The driver should always carry the electronic ...
Items to initialize
After reconnecting or performing maintenance on the battery, the following
items must be initialized for normal system operation.
...
If the electronic key does not operate properly
If communication between the electronic key and vehicle is interrupted
or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wirele ...
