Lexus CT200h Owner's Manual page 72

1-3. Opening, closing and locking the doors

To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get
the electronic key too close to the vehicle when operating the system from
the outside of the vehicle.
Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operate properly.
(The alarm may go off accidentally, or the door lock prevention may not
operate.)

If the smart entry & start system does not operate properly

Locking and unlocking the doors: Use the mechanical key. (P. 630)
Starting the hybrid system: P. 631


Electronic key battery depletion
P. 87

When the electronic key battery is fully depleted
P. 527

Customization
Settings (e.g. smart entry & start system) can be changed.
(Customizable features P. 667)
72
CT200h_OM_OM76067E_(EE)