See also:

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. ...

Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in prime condition: l Working from top to bottom, liberally apply water to the vehicle body, wheel wells and underside of the vehicle t ...

Immobilizer system
The vehicle's keys have built-in transponder chips that prevent the hybrid system from starting if the key has not been previously registered in the vehicle's on-board computer. Never leave the key ...