How do I get my cat to use a cat flap? Published May 8, 2017 at 400 × 400 in How do I get my cat to use a cat flap? Where’s the cat flap. Image: PoC. Continue reading → Cats learn by observation to use door handles and open the door although only a few cats will do this. Confidence and intelligence apply. Please comment here using either Facebook or WordPress (when available).