See also:

If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer, using the other keys and the key number stamped on your key number plate. If communication between the electronic key and vehicle is inter- ...

Battery
Check the battery as follows:  - Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. 1. Terminals 2. H ...

Locking and unlocking the doors and key linked functions
Use the mechanical key in order to perform the following operations (driver’s door only): 1. Locks all the doors 2. Closes the windows and moon roof (turn and hold)* 3. Unlocks the door Turn ...