Quick Release Coupling: Connect

WARNING: This page is about a different car, the 2003 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the quick-release coupling and line for damage.
Remove any dirt or obstructions.
Push the quick-release coupling onto the line until a click is heard.
Pull on the coupling to make sure it is correctly connected.

Fig 1: Pulling Coupling To Ensure It Is Connected Correctly
Courtesy of FORD MOTOR CO.