Honda Civic Owners Manual: Key Types and Functions

Locking and Unlocking the Doors

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Keys

Use the key to start and stop the engine, to lock and unlock the doors and to open the trunk. You can also use the remote transmitter or smart entry system* to lock and unlock the doors and to ...

See also:

Honda Civic Owners Manual. Caller's ID Information
You can select a caller's information to be displayed when you have an incoming call.  Press the button or the button.  Rotate to select Phone Setup, then press .  Rotate to select Caller ID Info, then press .  Rotate to select a mode you want, ...