Lexus LS460 2011 Owner's Manual page 35

Using the mechanical key

Card key

The mechanical key that is stored inside the card key should be used
only if a problem arises, such as when the 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 difficult to pull it out, use a coin
etc.
LS460_EE
Take out the mechanical key.
The mechanical key can only be
inserted in one direction, as the
key only has grooves on one
side. If the key cannot be
inserted in a lock cylinder, turn
it over and re-attempt to insert
it.
After using the mechanical key,
store it in the electronic key.
Carry the mechanical
together with the electronic key.
If the electronic key battery is
depleted or the entry function
does not operate properly, you
will need the mechanical key.
(P. 731)

To store the mechanical key in the
card key, insert it inside while
pressing the lock release button.
1-1. Key information
1
key
35