For owners
Lexus RX / Lexus RX Owners manual / For owners
See also:
Replacing the Key
Your Lexus dealer can generate replacement keys. Certain bonded/ registered locksmiths
may also be able to generate replacement keys.
When ordering a new key, bring all keys for the vehicle to your ...
Initialization
Items to initialize
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on the vehicle.
...