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. ...

Lexus Hybrid Drive System Architecture
The Lexus CT 200h's second generation full hybrid system features a 1.8 litre petrol engine, a powerful electric motor, a 42kW generator, a high performance, 202V, 27kW battery, a power control un ...

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 ...