Honda Civic Owner's Manual page 125

Using the Master key
Unlock
Using the Remote Transmitter
Trunk Button
* Not available on all models
*
Insert the key in the cylinder to unlock and
open the trunk.
*
Press the trunk release button for
approximately one second to unlock and open
the trunk.
uuOpening and Closing the TrunkuUsing the Master key
1Using the Master key *
The valet key does not unlock the trunk.
*
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