Answer:
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from Noah's ark won quick release.
What peels like an onion but still remains whole?
The signature stroll of ducks and penguins.
What is it that has a power socket on one end and a corkscrew on the other?
What has a horn but does not honk?
What is always coming but never arrives?