Lexus RX 450h Owner's Manual page 165

Using the mechanical key
To take out the mechanical key, push
the release button and take the key out.
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
key 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.549)
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3-1. Key information
When required to leave the vehicle's
■
key with a parking attendant
Lock the glove box as circumstances
demand. (P.421)
Remove the mechanical key for your own
use and provide the attendant with the elec-
tronic key only.
If you lose your mechanical keys
■
P.547
If a wrong key is used
■
The key cylinder rotates freely, isolated
from the internal mechanism.
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