Lexus CT200h Owner's Manual page 58

1-2. Key information

Card key

The mechanical key that is stored inside the card key should be used
only if a problem arises, such as when the card key does not operate
properly.

If it is difficult to take out the mechanical key, push down the lock
release button using a pen tip etc. If it is still difficult to pull it out, use a
coin etc.

The card key is not waterproof.
58
CT200h_OM_OM76067E_(EE)

To store the mechanical key in the
card key, insert it while pressing the
lock release button.

If the battery cover is not installed
and the battery falls out or if the bat-
tery was removed because the key
got wet, reinstall the battery with
the positive terminal facing the
Lexus emblem.